Add a spouse to a property title: Singapore stamp duty

Adding a spouse to a Singapore property title by giving them a share is a gift, and IRAS lists a gift among the acquisitions on which stamp duty is payable: buyer’s stamp duty (BSD), additional buyer’s stamp duty (ABSD) or seller’s stamp duty (SSD), whichever applies. IRAS works ABSD on a gift out on market value, because there is no price; its pages do not say how BSD and ABSD are figured on a gifted half-share.

This is general information from IRAS pages read on 3 October 2026 and reread on 17 October 2026, not tax or legal advice. Where a page is silent we say so: IRAS’s pages do not say; ask your lawyer or IRAS. Purchase-day rules are in our joint-purchase guide and stamp duty guide; terms are in our new launch glossary.

At a glance: what each change triggers, on an illustrative S$2,000,000

IRAS’s pages were last updated on 9 October (BSD), 7 August (additional interest), 13 August (SSD) and 27 August 2026 (ABSD). The S$2,000,000 home is illustrative; every S$ figure is our arithmetic.

• 1. Gift of a whole unit to a spouse: BSD is S$69,600 on IRAS’s residential tiers. ABSD follows the receiver’s profile and property count: none for a citizen’s first residential property, S$400,000 (20%) for a citizen’s second, S$100,000 (5%) for a permanent resident’s first.
• 2. Joint tenants to 60-40: ABSD is payable on each owner’s profile; IRAS gives no amount. A declaration to change to tenants in common in equal shares needs no stamp duty.
• 3. Taking over a co-owner’s share: no ABSD for a citizen whose only residential property is a share of it; BSD is still payable.
• 4. Part-share gift, then a sale: the gifted half has its own four-year SSD clock; S$120,000 in the timeline below.
• 5. Inheritance under a Will: no ABSD, though the share counts for later purchases. For SSD, the clock starts when the deceased acquired it.

Does adding a spouse to the title trigger stamp duty?

IRAS’s BSD page lists “by way of gift including a voluntary declaration of trust and settlement” among the acquisitions on which duty is payable, with BSD on the higher of the price in the document or market value. Its ABSD page gives a family example: a citizen whose brother gives them a condominium unit, their second residential property, owes ABSD on their profile, on market value “since there is no consideration”. Profile and property count are fixed on the date of acquisition, the date of transfer where no earlier IRAS date (option, agreement, trust instrument) applies. A gifted property counts towards later purchases.

What IRAS’s pages do not say:

• How BSD and ABSD are figured on a gifted half-share: the only gift example is a whole unit.
• Whether a gift between spouses is treated differently: IRAS’s list of common remissions has no page for a gift of a private home between spouses, and its married-couple page covers buying a home jointly.
• Whether a giver who gives a share within four years of buying owes SSD on the gift: the SSD page charges property “disposed of” within the holding period, but its examples are sales and its gift FAQ covers the receiver’s later sale. The page does not say.

To run BSD and ABSD on a whole-unit value of your own, our free BSD and ABSD calculator applies IRAS’s tables before any remission; it cannot say how IRAS treats a part-share gift.

Joint tenants, tenants in common or 60-40: which change costs duty?

IRAS’s stamp duty basics page (14 August 2026) lists a “Declaration to change from Joint Tenancy to Tenancy in Common in Equal Shares” among documents that need no stamp duty. A change to 60-40 is the other side. In the ABSD FAQ, a couple, both citizens, hold an HDB flat and a condominium unit as joint tenants and want the condominium held 60-40. IRAS answers, “Based on your respective profiles, ABSD is payable”, because the change “results in a transfer of interest in property”. It gives no rate, amount or value, and does not mention BSD.

This guide does not suggest changing anyone’s holding: in cases of tax avoidance, IRAS says the Commissioner of Stamp Duties will disregard or vary the arrangement, claw back the duty and impose a 50% surcharge on the additional duty payable.

What happens when one owner takes over the other’s share?

IRAS counts additional interest in a property you already part-own as an additional residential property. In its FAQ, a citizen whose only residential property is a 20% share, taking over the co-owner’s 80%, pays no ABSD, though BSD is still payable; a later S$2,000,000 purchase would then be a second property: 20%, or S$400,000. The FAQ describes a transfer, not a gift.

IRAS’s additional-interest page (7 August 2026) sets partial ABSD remission for a citizen who owns two properties and for a permanent resident who owns one or two; our joint-purchase guide has the table. To claim, stamp at myTax Portal (Stamp Duty Login) for the remission certificate; if stamping went in without it, IRAS says to request an assessment, generally processed within 2 months. For a refund on replacing a home, see our replacement-home refund guide.

Which SSD clock runs after a part-share transfer?

On IRAS’s SSD page (13 August 2026), each part of a property acquired at a different time is counted “from the respective acquisition date”, and a partial interest is charged on the higher of its selling price or market value. For acquisitions from 4 July 2025 the holding period is four years, at 16%, 12%, 8% and 4% by year of sale.

IRAS’s own gift example is at the old schedule: a wife gives her half to her husband on 10 March 2018, he sells on 1 September 2018 and owes 12% on that half. That date falls in the 11 March 2017 to 3 July 2025 row of IRAS’s table (our reading), where year one was 12%. For acquisitions from 4 July 2025, year one is 16%, so 12% is not today’s first-year rate.

This timeline applies the current table. All dates, statuses and amounts are illustrative and fictional; the future dates are hypothetical.

1. 14 December 2026 (hypothetical): a couple, both citizens with no other residential property, accept the option for a S$2,000,000 unit in equal shares as tenants in common.
2. 16 January 2031 (hypothetical): the wife gives her half to her husband, and IRAS’s FAQ treats the gift date as the date he acquired it. She acquired hers over four years earlier, so on our reading of the same table a giver’s SSD does not arise here.
3. 18 June 2032 (hypothetical): he sells the whole unit for S$2,000,000. His original half is over four years old, and the table puts a sale “More than 4 years” after acquisition at no SSD. His wife’s half is 1 year 5 months old, in the “More than 1 year and up to 2 years” band: 12%. If that half is worth S$1,000,000 at both price and market value, SSD is S$120,000.

The schedule has changed before (the page records the change announced on 3 July 2025), and on our reading a half acquired in 2031 follows whatever table then applies. For BSD and ABSD at the gift, IRAS’s FAQs describe a transfer, not a gift between spouses: IRAS’s pages do not say; ask your lawyer or IRAS. Our seller’s stamp duty guide covers dates and exemptions.

Do an inheritance or a divorce transfer work differently?

Inheritance. IRAS’s ABSD FAQ says ABSD is not payable on an inheritance in accordance with a Will, intestacy law or Muslim inheritance law. For SSD the acquisition date is the date the deceased acquired it: in IRAS’s example, a property bought in 1999, inherited and sold in 2018, owed none. The BSD page’s list of dutiable acquisitions includes a distribution “not in accordance with the Will, Intestate Succession Act or Muslim Law of Inheritance”, and no IRAS page we read covers how a surviving joint tenant takes a home: ask your lawyer or IRAS.

Divorce. IRAS’s matrimonial proceedings page (23 January 2026) says BSD, ABSD and SSD remission may apply to a transfer resulting from matrimonial proceedings if conditions are met, including compliance with a court order for division of matrimonial assets or being in consequence of a divorce proceeding.

What to check before you change a name on the title

• Who ends up with which share, each receiver’s status and residential property count on the transfer date (including part-shares, inherited shares and unfinished units under signed agreements), and the acquisition date of each share, since the SSD clocks run separately.
• The value BSD and ABSD are charged on for a part-share, which IRAS does not give, and whether a remission fits.
• A pending ABSD refund on a replacement home: IRAS’s married-couple page (13 August 2026) lists “no change of ownership in the second residential property at the time of sale of the first” among its conditions.
• Cash and timing: BSD and ABSD within 14 days after signing (30 days after receipt in Singapore if signed overseas), with no deferment and a penalty of up to four times for unstamped, late or short-paid documents. IRAS says CPF use depends on scheme terms; ask CPF Board (see our CPF guide).
• The ABSD Declaration Form (every transferee completes it; keep at least 5 years), and any IRAS change after the last-updated dates above.

Ask your lawyer or IRAS to confirm the duty on your exact change before anyone signs. The research topic has more property guides.

Common questions