How Singapore Works | IRAS Rental Income Tax and Expenses

A Singapore homeowner collects rent from a spare bedroom and assumes that only the money remaining after the mortgage instalment counts as income. Another landlord has an empty flat between tenants and wants to deduct repairs and property tax. A third receives a forfeited rental deposit and wonders whether it must be declared. These are common questions because rent received, rental profit, property tax and tenancy stamp duty are different concepts.

How Singapore Works | IRAS Rental Income Tax, Allowable Expenses and Filing explains how the Inland Revenue Authority of Singapore treats rent collected by individuals. The central rule is that the landlord declares gross rental income when it is due and payable and deducts only permitted expenses to compute net taxable rental income. For an eligible rented-out Singapore residential property, an individual can use a simplified 15% deemed rental expense deduction plus eligible mortgage interest, or claim documented actual allowable expenses instead.

Quick answer: Keep each property’s lease, payment records and mortgage-interest statements. Determine gross rent, including certain maintenance and furniture-related payments and forfeited deposits where applicable. For the 2026 Year of Assessment, report income arising in calendar year 2025 under myTax Portal → Other Income: Rent from property. Eligible residential landlords may choose the deemed 15% of gross rent method, with the separately deductible mortgage interest, or actual expenses; the rules restrict mixing methods across multiple residential rental properties in the same year. Mortgage principal repayments, capital improvements and personal living expenses are not ordinary deductible rental costs.

Worked starting point: A residential property earns S$60,000 annual gross rent and has S$12,000 eligible mortgage interest. With the deemed expenses method, the illustrative net rent is S$60,000 − S$9,000 − S$12,000 = S$39,000, before the person’s total income tax is determined. This illustrates taxable rental income, not the final tax bill or rental cash remaining after mortgage repayments.

The 60-Second Landlord’s Tax Checklist

Identify which property generated income in the relevant calendar year, when rent became due, what other receipts relate to the letting and which owners are entitled to each share. Choose the permitted expense treatment, calculate the taxable net rental amount and declare it through the official IRAS return. Keep all required supporting documents, especially mortgage interest evidence, for at least five years where applicable.

The key distinction is a rental tax deduction is governed by the nature and timing of the expense, not simply whether money left your bank account. A home-loan instalment may include deductible interest but nondeductible principal.

What rental income tax means

Rental income forms part of a person’s taxable income under Singapore’s Income Tax Act when property is let and the relevant statutory requirements are met. The tax authority is IRAS. This is not a separate universal flat-rate levy automatically taken out of each month’s rent. Net rental income is considered with the individual’s other chargeable income and applicable tax rules. The first task is therefore to calculate the correct taxable rental amount rather than multiply gross rent by an imagined single landlord tax rate.

Rental income differs from property tax

Income tax relates to taxable net income earned from renting the property. Property tax is a separate annual tax assessed on the property’s Annual Value under its owner-occupier or non-owner-occupier rate structure. A landlord can face both obligations. Paying the property tax bill does not mean the rental income has already been declared, and receiving no rent during a short vacancy does not automatically eliminate the annual property tax. Keep these separate in the household budget.

Tenancy stamp duty is another tax

Stamp duty on qualifying lease documents is governed by IRAS’s stamp duty framework. It can arise when the tenancy is executed, depending on applicable rules and the instrument. It is different from the annual income tax on rent received and the recurring property tax on the property. A landlord should not assume that an e-Stamping certificate covers all three obligations. The relevant tenancy agreement and who bears stamp duty should be considered separately from tax reporting.

What counts as gross rent

IRAS explains that gross rental income includes the amount for renting the premises and relevant payments for maintenance, furniture and fittings. The form of the invoice does not necessarily change the income’s substance. For example, labelling part of the monthly sum an ‘air-conditioning fee’ or furnishing fee does not automatically make it untaxable. Record the full amount due for the letting and then identify any expenses the law permits to be deducted.

When rental income becomes taxable

IRAS says rental income is generally taxable when it becomes due and payable to the property owner, rather than only when the tenant actually transfers the money. This can matter if a tenant pays late. A landlord should look at the legal payment dates and contract, not simply their bank statements. A late receipt can require careful treatment to avoid omitting income or declaring the same amount twice. Seek guidance where arrears or disputes complicate recognition.

Deposits are not always rent

A refundable security deposit is usually held to secure tenancy obligations rather than earned as monthly rent at the outset. But IRAS explains that a forfeited rental deposit can generally become part of taxable gross rent. Where the landlord forfeits the deposit specifically because of damage, the relevant actual rectification expenses may qualify under the rules. Distinguish a refundable liability, a later forfeiture and any genuine reimbursement for damage rather than classify all deposits identically.

Renting a room in an occupied home

An owner who lets one bedroom while continuing to live in the property can still earn taxable rental income. This is true even where the residence remains eligible for certain owner-occupied property-tax treatment. Income tax and residential property tax are separate. For deductible expenses, IRAS gives methods of apportioning relevant actual costs or mortgage interest according to the number of rooms rented. The landlord should record the actual part let and the period of tenancy.

HDB eligibility does not settle income tax

HDB regulates whether the flat owner may rent out the entire property or a bedroom. A valid HDB approval is important, but it does not automatically complete IRAS income tax reporting. Similarly, declaring rental income does not make an otherwise unauthorised HDB rental lawful. A responsible owner must satisfy both systems and any tenancy stamp duty. The distinction between licensing permission and financial reporting is especially important when renting shared bedrooms in public housing.

Which year to declare

Singapore income tax operates on a preceding-year basis for ordinary individuals. Income from letting property during calendar year 2025 ordinarily appears in the Year of Assessment 2026 tax return. Rent arising during 2026 would ordinarily be reported for YA2027. This is why a landlord may file in one calendar year for activity from the previous year. Always label spreadsheets with both the rental period and the correct Year of Assessment to reduce mistakes.

Where in the tax return

IRAS instructs individuals to report rent under Other Income: Rent from property in the Income Tax Return through myTax Portal. Its instructions include total annual rent, total deductible expenses and the owner’s relevant share for jointly owned property. A taxpayer should check whether some information is pre-filled and confirm its accuracy. A pre-filled entry is an administrative convenience, not permission to ignore a wrong amount or missing property.

The meaning of net rental income

Net taxable rental income is calculated as qualifying gross rent less allowable rental expenses. This is not necessarily the same as the cash left after every payment on the property. Loan principal, personal expenditure and capital improvements may reduce bank cash without being deductible under the ordinary rental rules. The result is an income-tax computation rather than a complete investment cash-flow statement. Property investors need both measures for different decisions.

Two ways to claim residential expenses

For eligible individually owned Singapore residential rental properties, IRAS permits a simplified 15% deemed rental expense deduction or the alternative of actual allowable rental expenses. The simplified option reduces detailed expense recordkeeping for qualifying non-interest expenses. The actual method may be better where documented deductible costs exceed the deemed amount. The choice should be made based on real eligibility and arithmetic, not on an assumption that one method is always superior.

What the 15% deemed method does

The deemed method treats 15% of gross residential rental income as allowable ordinary rental expenses, subject to the detailed conditions. For S$24,000 in gross annual rent, the deemed amount is S$3,600. This is a deduction from taxable rent, not a Government payment into the landlord’s account. It also does not mean that IRAS assumes the owner spent exactly S$3,600 in cash. The scheme simplifies compliance for eligible residential landlords.

Mortgage interest is separately allowed

IRAS permits qualifying mortgage interest on a loan used to acquire the rented property to be deducted in addition to the deemed 15% amount. Keep mortgage statements and interest records for at least five years. The loan’s actual purpose matters. Interest on borrowing secured against the rented property but used for unrelated personal spending is not automatically deductible against rent. Different property and refinancing arrangements can require careful allocation.

Why principal repayments cannot be deducted

A monthly mortgage instalment often contains both interest and principal repayment. Interest is the cost of borrowing and may qualify under the rental expense rules. Paying down principal reduces the loan balance and builds ownership equity, so IRAS does not ordinarily allow it as a rental expense deduction. For tax purposes, do not deduct the entire monthly mortgage amount without separating its components. Ask the bank for an appropriate annual interest statement.

A mortgage illustration

Suppose a property owner pays S$2,000 each month toward a housing loan, of which S$700 is interest and S$1,300 is principal in an illustrative month. Only the relevant S$700 interest is potentially deductible for the rental-income calculation, subject to the actual loan and tenancy conditions. The S$1,300 principal still affects the owner’s cash budget. This demonstrates why tax profit and cash flow can differ significantly during a year of heavy mortgage repayment.

Interest must relate to the rented property

IRAS distinguishes loans used to acquire the tenanted property from loans used for other purposes. If a landlord mortgages Property A but borrows to purchase Property B, the relevant borrowing purpose affects which property’s rental income the interest may be deducted against. A personal loan used for another home, business or consumption does not automatically count as Property A rental expense merely because Property A was offered as security. Keep loan documents showing the actual use of proceeds.

Refinancing and interest

If a mortgage is refinanced, interest may remain deductible under applicable IRAS administrative concessions when the borrowing meets the relevant requirements. But the new loan can include additional money borrowed for unrelated purposes, which may need allocation or exclusion. A landlord should not assume every finance charge becomes deductible solely because a lender uses the word refinancing. Record outstanding loan amounts, dates and the purpose of funds and consult the official guidance for complex cases.

Actual expenses: property tax

Property tax paid for a property rented out during the qualifying period can generally be part of actual deductible rental expenses. This does not mean the property tax assessment itself is reduced by claiming it. It means the allowable expense reduces income subject to the personal income tax computation. For a property rented only part of the year, the relevant proportion matters. A landlord should not claim a full year’s charge if only a smaller period is allowable under the particular rules.

Actual expenses: repairs

Repairs and maintenance that preserve the rented property’s existing condition can qualify as rental expenses in appropriate circumstances. Examples may include fixing a leaking pipe or replacing a defective component with a comparable ordinary item. The actual purpose and timing matter. A major upgrade increasing the property’s value may instead be capital expenditure. Do not treat a S$20,000 kitchen redesign as an ordinary repair merely because the invoice says ‘maintenance works’.

Actual expenses: fire insurance

Qualifying fire insurance costs associated with the tenanted property can be allowable under the actual expenses method, subject to IRAS’s conditions. This is different from arbitrary personal insurance premiums unrelated to the property. Keep the policy and receipt and apportion the expense where the property is not rented for the whole relevant period. When using the deemed method, ordinary qualifying non-interest expenses are generally covered by the 15% amount rather than separately added again.

Actual expenses: maintenance fees

Condominium maintenance charges or other relevant property upkeep expenses incurred for producing rental income may be deductible under the actual expense rules. The expense must relate to the property and period as prescribed. A personal club subscription or unrelated household purchase does not become a rental expense because it was paid on the same card. Keep invoices and distinguish recurring upkeep from property improvements that change the asset’s capital value.

Letting agent commissions

IRAS’s current guidance identifies eligible commissions and costs of securing tenants as allowable rental expenses, subject to conditions and the applicable year. The rules now recognise certain costs of securing the first and subsequent tenants. A fee paid to market the property is different from a fee paid to sell it or purchase another property. Keep the letting agency agreement, invoice and documentary proof of actual payment to establish the proper category.

Advertising a rental listing

Advertising costs genuinely incurred to secure an eligible tenant can be an allowable expense under the actual method where the relevant conditions are met. This can include appropriate property listing expenditure linked to the letting. It does not mean a landlord can claim every advertisement for unrelated services or future property acquisition. The connection to producing rental income must be real. The deemed method ordinarily substitutes its 15% deduction for such non-interest expenses.

Costs of the first tenancy

Historical articles sometimes say that first-tenant commissions can never be deducted. IRAS’s updated examples and guidance describe qualifying costs of securing a first tenant, including certain commission, advertising, legal expenses and stamp duty, as deductible under current conditions. However, pre-letting renovation or improvement costs remain a different issue. Read the actual treatment for the rental year and documented activity rather than depend on undated advice.

What counts as capital expenditure

Capital expenses create or substantially improve the property rather than simply maintaining its existing rented condition. A major new kitchen, addition of a room or substantial alteration may not qualify as an ordinary deductible repair. IRAS distinguishes renovations before letting from recurring repairs and upkeep. A large renovation can make the property easier to rent but still remain nondeductible capital expenditure for ordinary rental income calculations. The spending’s economic purpose matters more than the description on the receipt.

Expenses before the first tenant

Costs incurred before a property first begins generating rental income can require special treatment. IRAS’s examples distinguish deductible costs of securing the first tenant from nondeductible initial renovation expenditure. A landlord should organise documents by the actual start of the tenancy and by expense category. Do not assume every sum paid after buying the flat becomes deductible merely because the property was eventually rented. The beginning of the letting activity and the nature of the spending both matter.

Vacancy between two tenancies

IRAS allows certain repair, insurance, maintenance, upkeep and property-tax expenditure incurred during a vacancy between rental periods, from YA2022, where the landlord made reasonable efforts to find a new tenant. This recognises that a property can be actively held for rental even when briefly empty. Preserve evidence such as advertisements or engagement of an agent. The concession is not an automatic deduction for an indefinitely vacant home kept for personal use.

Evidence of seeking a tenant

When relying on vacant-period deductions, a landlord should be able to show genuine attempts to obtain a new tenant. Listings, correspondence with agents or relevant marketing evidence can help. IRAS refers to reasonable efforts in its rules. Simply stating that one would have welcomed a tenant someday may not be enough. Record when the previous tenancy ended, what was done during the vacancy and when the next tenant took possession.

Partial-year rental apportionment

A property may be rented for only some months of the tax year. Actual expenses linked to the property can need time apportionment. IRAS provides an example of a non-residential property rented for ten months, with allowable annual interest and property tax prorated to that ten-month period. A personal-use period after tenancy ends should not automatically be counted as rental production. Dates matter as much as annual totals when calculating net income.

Room-rental expense apportionment

Where a landlord lives in a flat and rents out only a bedroom, IRAS demonstrates allocating relevant actual expenses or mortgage interest according to the number of bedrooms rented. Its illustration of one rented bedroom in a three-bedroom flat uses one-third of qualifying whole-flat expenses. The precise method should reflect the relevant official guidance. A landlord cannot simply deduct the full home mortgage and entire utilities cost against rent from a single bedroom.

A one-room rental example

Suppose a landlord earns S$600 monthly for twelve months from one bedroom, totalling S$7,200. The 15% deemed non-interest expense deduction would be S$1,080 where eligible. If qualifying annual mortgage interest for the entire three-bedroom home were S$1,200, the illustrated one-third share would be S$400. Net taxable rent would be S$7,200 − S$1,080 − S$400 = S$5,720, consistent with IRAS’s room-rental example.

Multiple residential properties: one method

IRAS states that where an individual rents more than one residential property and opts to claim actual expenses on any one, the treatment must be applied consistently to all their tenanted residential properties for that year. The landlord cannot freely use deemed expenses on the property where 15% is advantageous and actual expenses on another when it favours them under the same year’s election. Calculate the whole residential portfolio before choosing a method.

Why consistency matters

Without consistency, a property owner could choose whichever deduction treatment gives the largest benefit separately for each of several rental properties, even though the scheme was intended as a coherent simplified method. IRAS therefore restricts mixed treatment across multiple residential properties. The choice may change from year to year subject to the conditions, but the relevant election for a year should follow the published rule. A tax spreadsheet should clearly record the selected method.

Non-residential rented property

For a rented non-residential property, IRAS’s general rule permits actual allowable rental expenses rather than the 15% deemed residential expense deduction. A commercial shop, office or industrial premises can therefore require more detailed expense records. A property approved for certain non-residential uses may not qualify for the ordinary residential simplification even if its original building appearance resembles a dwelling. Check official approved use and tax classification before selecting a deduction method.

Trusts and partnerships can differ

IRAS excludes certain rental arrangements from the deemed residential expense option, including property rental income derived through a partnership or from property held under a trust, under the specified conditions. Company and partnership taxation may also involve different forms and reporting rules. An individual should not copy an ordinary jointly owned personal-flat example into a business investment-holding company return. Identify the actual legal owner and income recipient before calculating tax.

What if no deductible expenses were incurred

IRAS’s deemed expense conditions exclude certain cases where the landlord did not incur deductible non-interest expenses related to the rented residential property. A taxpayer should not automatically claim 15% simply because they received rent. The official return and guidance describe the qualifying conditions. Do not invent maintenance costs to unlock the deduction. When uncertain about eligibility, check IRAS’s instructions rather than choose a claim solely because it reduces taxable income.

Jointly owned property and rental shares

When property is jointly owned, the rental income and allowable expenses must be reported according to the owners’ appropriate share under the applicable tax rules. IRAS asks taxpayers to specify the share of gross rent in the return. The mere fact that rent was deposited into one spouse’s bank account does not necessarily make it wholly that spouse’s taxable income. Identify legal ownership and any special arrangements and use the correct prescribed allocation.

What if one owner collects all the money

A couple may agree for one person to receive all rent into a shared or personal bank account to simplify administration. The bank account chosen for collection does not automatically override the property’s ownership and tax treatment. Keep a record of which person is entitled to which income under the relevant legal arrangement. A misleading allocation can create incorrect returns for both spouses. Seek IRAS guidance where a complex trust or partnership interest exists.

Rental losses cannot generally offset salary

IRAS says losses from renting out property cannot generally be used to offset employment or other non-rental income in the same or a later year, and cannot be carried forward for that purpose. A landlord who spent more than gross rent cannot simply subtract that net rental loss from regular salary in the ordinary individual tax calculation. The system separates passive rental losses from other kinds of income. This matters especially when a property has heavy financing costs.

The same-year cross-property concession

IRAS offers an administrative concession allowing a rental loss on one property to offset taxable rental income from another property in the same year, provided all the relevant rented properties were let at market rates and other conditions are met. This is not an unlimited carry-forward loss relief. Keep the figures for each property separate before applying any permitted offset. A loss on an artificially low-rent family arrangement may not meet the concession’s conditions.

Letting to relatives at below-market rent

A landlord may let a property to family for a nominal sum as an act of support. The tax computation still follows the real receipts and applicable rules, but the ability to use particular rental losses against another property’s profits can depend on whether all properties were let at market rates. Do not assume an intrafamily arrangement automatically permits the same tax deduction as an ordinary commercial tenancy. Keep the terms clear and obtain advice if material.

Rent arrears and defaulting tenants

If rent was due and payable but not received, the landlord should check IRAS’s treatment of rental arrears, recoverability and any appropriate claims. Do not simply remove all contracted rent from the records because the bank transfer was delayed. The timing of recognition and treatment of a genuine bad debt can require specific evidence. Keep communications, payment schedules and documented attempts to recover unpaid amounts for accurate reporting.

Forfeited deposits and repairs

Suppose a tenant damages fittings and the landlord retains part of a security deposit. IRAS generally treats forfeiture of the deposit as part of gross rent, with potentially deductible genuine rectification costs under the rules. The landlord should record the amount forfeited, reason and invoices for the work, rather than simply net all transactions privately and omit them from the return. Repairs are distinguishable from upgrades, and documentary evidence supports the tax treatment.

Property management costs

A landlord can engage an agent or manager to handle suitable tenancy administration. Under the actual expenses method, qualifying costs incurred solely to earn rental income can be deductible subject to IRAS’s categories and conditions. Fees for services unrelated to the tenanted property may be private expenses. Retain the management contract and actual invoices. Under the deemed method, ordinary eligible non-interest expenses are generally captured within the 15% amount.

Repairs to tenant-provided property

If the landlord pays for a repair to property belonging exclusively to a tenant, the expense may not automatically qualify as maintenance of the rented property. The contractual obligations and actual purpose matter. A tenancy may state which party repairs furniture, appliances or damage, but the tax treatment follows the legitimate rental expense rules. Ask for a clear invoice and identify the asset involved rather than assume any cost paid during the lease is deductible.

What about cleaning fees

Cleaning undertaken to maintain the rented premises in connection with producing rent can be an ordinary rental expense in appropriate circumstances, subject to the actual method chosen and IRAS’s rules. A landlord should distinguish cleaning required for tenancy from cleaning the owner’s separate personal home. Where a tenant pays a separate cleaning charge, that receipt may also be relevant to gross rental income. A consistent record of receipts and expenses prevents informal netting that hides the transaction.

Utilities and reimbursements

A tenancy can specify whether rent includes electricity, water or gas, and whether the tenant pays the utility provider directly or reimburses the landlord. The income-tax treatment depends on the actual contract, receipts and expense conditions. If the landlord bills the tenant a single all-inclusive rent, breaking out a fictitious utility line later does not necessarily remove taxable income. Record how payments truly operate and seek IRAS advice for unusual reimbursement arrangements.

An annual rental ledger

Keep a simple record for each property showing monthly due rent, actual receipt, fees, deposits, approved expenses, dates and supporting references. Separate the property-tax account from income-tax deductions and the mortgage interest from principal. This is enough structure to make the annual return much easier to check. A spreadsheet can support the records, but it should not invent entries or automatically mark every outgoing payment as deductible.

Record retention

IRAS requires taxpayers claiming actual rental expenses to retain relevant invoices, receipts, tenancy agreements and mortgage statements for at least five years. For the deemed expense option, detailed proof of the other deemed expenses may not be required, but the separate mortgage interest supporting documents must still be retained for five years where claimed. Keep records securely with appropriate privacy protections because tenancy documents can contain identity and banking information.

Which tax year a record belongs to

A tenancy beginning in September 2025 can produce income for both YA2026 and YA2027, based on the calendar years in which rent becomes due and payable. A repair bill paid in another year may require checking its own timing. Avoid dumping all receipts from one two-year lease into one tax return merely because the contract has a single date. A useful file structure separates the legal lease from yearly income and expense schedules.

myTax Portal filing workflow

Sign into IRAS myTax Portal using the legitimate Singpass route and access the relevant individual Income Tax Return if one is required. Under Other Income: Rent from property, review the property, annual gross rent and deductions. Choose the allowed simplified or actual method and check the correct owner’s share. Submit and save the return acknowledgement. A draft screen is not proof that the return was successfully lodged.

When filing may not be required

Certain taxpayers receive a No-Filing Service or another simplified filing arrangement based on IRAS’s records. However, receiving rental income that has not been correctly included may require updating or filing information. Do not assume that the absence of a paper tax return automatically means rent is tax-free. Check IRAS’s personalised filing status and whether a change or declaration is needed. The taxpayer remains responsible for ensuring the assessment is correct.

Reviewing a Notice of Assessment

After IRAS assesses the person’s income, the Notice of Assessment shows the relevant taxable amounts, tax relief and final tax payable. Net rental income is one component, not a separate bill calculated in isolation from other individual income. Review the property entries and deduction method if the result appears wrong. Use the official objection or amendment process within its deadlines instead of ignoring the bill or editing a PDF copy.

What if a landlord omitted rent

A person may discover that an earlier return omitted rental receipts or claimed a prohibited deduction. IRAS has a voluntary disclosure and amendment framework for tax errors, with consequences depending on the facts and timing. Correct the record through the legitimate route and keep the relevant supporting explanation. Intentionally hiding rent is not a way to reduce tax legally. Acting promptly after discovering a genuine mistake is preferable to waiting for an audit.

Corporate property ownership

Where an ACRA-registered company owns and rents property, the income forms part of the company’s applicable tax computation, not automatically the director’s personal rental income. Corporate and individual tax rules can differ, including applicable forms and some expense treatments. Shareholding in the company does not make its rent directly taxable in the same manner as a personally owned flat. Keep the legal entity, bank accounts and ownership records distinct.

Worked example: whole residential property

A landlord rents a qualifying residential property for the full year at S$5,000 monthly and pays S$12,000 qualifying loan interest. With S$60,000 gross rent and a deemed non-interest deduction of S$9,000, the illustrative net rental amount is S$39,000. This is the IRAS example. The landlord’s actual income tax still depends on total chargeable income and any relevant reliefs and tax rates. Mortgage principal and unrelated spending are not subtracted from this computation.

Worked example: actual expenses are greater

Suppose a qualifying property produces S$36,000 gross rent, with S$9,000 in documented allowable non-interest expenses and S$6,000 mortgage interest. The actual expense method would produce S$21,000 net rent if every claimed item satisfies the law. The deemed method produces S$24,600 net rent, using S$5,400 deemed expenses plus interest. The example shows why actual expenses can be preferable, but a taxpayer must verify eligibility, consistency and records.

Worked example: deemed expenses are greater

A residential landlord earns S$24,000 gross rent, pays only S$2,000 of qualifying ordinary non-interest expenses and S$3,000 of allowable mortgage interest. The deemed 15% deduction is S$3,600, giving S$17,400 net rent. Actual expenses would give S$19,000 net rent. Where the deemed option is permitted, it may reduce the taxable amount. The purpose is to compare lawful alternatives, not to invent expense receipts.

Worked example: one bedroom

A homeowner living in a three-bedroom flat rents out one eligible bedroom for S$800 monthly throughout the year. Gross rent is S$9,600. The deemed deduction is S$1,440, and eligible mortgage interest for the rented bedroom may be apportioned according to IRAS’s method. The owner should not deduct the full home mortgage or all household expenses. The taxable calculation relates to the share of the property actually used for earning rent.

Worked example: vacancy between tenants

A tenant leaves in June and a new one moves in during September. The landlord advertises the property and conducts necessary repairs during the vacant interval. IRAS’s concession can allow specified repairs, maintenance, insurance and property tax during a between-tenancy vacancy where reasonable efforts were made to find a replacement. Keep advertisements, agent messages and invoices. The outcome may be different for a home intentionally kept empty for personal use.

Worked example: renovation before first letting

An owner purchases a flat, spends S$30,000 renovating it and then secures the first tenant. The fact that the renovation helped attract a tenant does not automatically make it deductible as ordinary rental repairs. IRAS distinguishes capital renovation before letting from qualifying costs of securing a tenant and other allowable expenditure. The landlord should record the renovation separately and not simply mark the whole fit-out as a ‘rental expense’.

Worked example: deposit partly forfeited

A tenant has a S$3,000 security deposit and leaves behind damaged fittings. The landlord retains S$1,200 under the actual contract and spends S$900 repairing genuine damage. IRAS may treat forfeiture as gross rental income, while the rectification cost may be considered for an allowable expense under the proper rules. Keep the move-out inspection, explanation to the tenant and repair invoice. A deposit dispute also involves contract rights separate from tax.

Worked example: two rental flats

A landlord rents two eligible Singapore residential properties. One has S$4,000 of actual non-interest deductions while its 15% deemed allowance would be S$6,000. The other has S$10,000 of actual non-interest deductions while its deemed amount would be S$5,000. IRAS’s consistency rule means the landlord cannot simply select the deemed method for one and actual for the other within the same year when choosing actual treatment. Model the combined outcome and use the lawful consistent election.

Worked example: commercial unit

A person owns a rented commercial unit with gross rent and documented maintenance and mortgage interest. The 15% deemed rental expense option is not the ordinary method for non-residential property; the person claims qualifying actual expenses. Proper records of tenancy, interest and property upkeep are essential. A shop approved for commercial use does not become residential merely because its owner is an individual who also owns a home.

Worked example: mortgage principal confusion

A landlord pays S$1,800 a month on a property loan, including S$650 interest. Multiplying S$1,800 by twelve and deducting S$21,600 as a rental expense would incorrectly include principal repayment. The potentially deductible interest portion is S$7,800 for a full year at this fixed illustrative rate, subject to the actual loan and period. The principal affects how much cash remains after rent but not the ordinary income-tax deduction.

The role of accurate property ownership

The taxpayer’s share of rental income can depend on whether a property is individually owned, jointly owned or held through a company, trust or partnership. The land title and contractual arrangements matter, not simply the bank account that received the money. Misallocating rent between spouses or relatives can cause errors in multiple tax returns. Before filing, identify who legally receives the income and whether the simplified residential method is actually available.

How tax and cash flow differ

A property investment may generate positive taxable rental income while providing little monthly cash after loan principal payments and savings for repairs. Conversely, a landlord could have positive bank cash receipts while owing significant tax on net rent. The two calculations answer different questions: What income is taxable? and What money is available to spend? A robust plan keeps a tax provision and emergency maintenance reserve instead of spending every incoming rental payment.

Why a landlord should not hide rent

Tax rules apply to the actual legal receipts and allowable deductions. A landlord who accepts rent through cash, PayNow or another method does not make it tax-exempt by avoiding a formal invoice. Contracts, bank records and other evidence may still establish the rental activity. Hiding income creates compliance risk and can undermine the owner’s ability to explain a future dispute. Correct declaration is a basic operating responsibility alongside lawful tenancy approval.

A student mathematics exercise

A landlord receives S$2,500 monthly for twelve months. Students calculate S$30,000 gross rent and a S$4,500 deemed non-interest deduction. If allowable mortgage interest totals S$5,000, illustrative net rent is S$20,500. Ask why this number is not the final income tax and why loan principal is not deductible. Then compare with an actual expense method using documented S$7,000 non-interest deductions. The exercise connects percentages with legal definitions.

Common rental tax misunderstandings

‘Only cash left after mortgage instalments is taxable.’ No. ‘The whole mortgage payment is deductible.’ Principal generally is not. ‘Rent from one spare bedroom is tax-free.’ It can be taxable. ‘Security deposits are always taxable immediately.’ Treatment depends on refundable status and forfeiture. ‘The 15% method works for every commercial property.’ No. ‘I can mix deemed and actual freely among residential rentals.’ IRAS restricts this. ‘A rental loss offsets salary.’ Generally no. ‘HDB approval covers income tax.’ No.

Why tax records help beyond the return

Clear property records can also help the landlord understand occupancy, maintenance, finance and any disputes with tenants. They provide evidence when a bank asks about income or a tax authority requests clarification. The goal is not to collect paperwork for its own sake. A well-maintained annual ledger reduces the chance of omitted receipts, accidental double deductions and uncertainty about how much of the property investment is genuinely profitable.

How Singapore Works through rental income tax

The visible event is a landlord receiving monthly rent. Behind it are ownership records, leases, obligations to HDB or other regulators, IRAS recognition of rent when due, allowable expense categories, the personal income tax return, and later assessment and payment. The journey is let lawfully → record gross receipts → classify expenses → choose permitted deduction method → calculate net rent → file the correct year → preserve evidence and pay assessed tax. Each stage answers a different legal or financial question.

Frequently Asked Questions

Is rental income taxable in Singapore? Yes, subject to the applicable tax rules. Do I report gross rent or cash profit? Declare gross income and qualifying deductions. Can I use 15% deemed expenses? For eligible residential rentals under the conditions. Can I also deduct mortgage interest? Qualifying interest, yes. Is loan principal deductible? No. Can a rented bedroom generate taxable income? Yes. Can I deduct costs during a vacancy? Some between-tenancy costs, subject to reasonable efforts to find a tenant. Do rental losses offset employment income? Generally no. How long keep records? Usually at least five years for relevant actual expenses and mortgage interest.

Practical landlord tax checklist

List each rented property and legal owner.
Record rental period and when rent became due.
Include appropriate furnishing, maintenance and forfeited deposit receipts.
Separate mortgage interest from loan principal.
Classify repair, maintenance, property tax and agency expenses correctly.
Review the residential 15% deemed versus actual expense option.
Apply consistency across multiple residential rental properties.
Allocate room-rental and partial-year expenses properly.
Report in myTax Portal for the correct Year of Assessment.
Keep supporting records and check the final Notice of Assessment.

Official Sources and Related Guides

*Updated 1 November 2026 using current IRAS official rental-income guidance and worked examples. This is general tax education, not individual tax advice. Verify the actual assessment year, ownership structure and supporting evidence before filing.*