Answer
99-to-1 Property Ownership in Singapore
Once a popular ABSD-avoidance strategy, the 99-to-1 structure is now under heavy scrutiny from IRAS.
Answer: In a 99-to-1 arrangement, Buyer A takes 99% share of a property while Buyer B takes just 1%. When B buys a second property, their minimal share was meant to reduce ABSD exposure. IRAS now actively scrutinises this — they may deem B as the beneficial owner of the first property and impose full ABSD plus penalties. This strategy was common pre-2023 but is now considered high-risk. Safer alternatives include decoupling or ABSD remission for married couples.
How the 99-to-1 Structure Works
A married couple buys their first property. Instead of the typical 50-50 or joint tenancy, they split ownership 99% (Buyer A) and 1% (Buyer B).
Later, when they want to buy a second investment property, Buyer A — who owns 99% of Property 1 — purchases the second property. Since it's technically their "first" property in their sole name... no, wait. That's not quite right.
Actually, the strategy works differently: Buyer B (who holds only 1%) transfers that 1% to Buyer A. Now Buyer B owns zero properties. Buyer B then buys the second property as a "first-time buyer" with no ABSD. The transfer of the 1% share incurs only minimal BSD.
| Step | Action | Cost |
|---|---|---|
| 1 | Buy Property 1 as 99% (A) / 1% (B) | Normal BSD on full price |
| 2 | B transfers 1% share to A | BSD on 1% of market value |
| 3 | B now owns 0 properties | — |
| 4 | B buys Property 2 as "first-time buyer" | BSD only, no ABSD |
On a $2M property, the 1% transfer would incur BSD on ~$20,000 (1% of market value) — roughly $200 in BSD.
Why IRAS Is Cracking Down
IRAS does not just look at the legal ownership percentage. They examine the substance of the arrangement:
- Did Buyer B contribute to mortgage repayments despite owning only 1%?
- Did both buyers live in the property as their matrimonial home?
- Was the 99-1 split set up specifically to facilitate a future ABSD-free purchase?
- Was the transfer of the 1% share done shortly before the second purchase?
If IRAS determines the arrangement was designed to circumvent ABSD, they can — and have — imposed the full ABSD on the second property purchase, plus late payment penalties.
Potential Savings vs Actual Risk
| 2nd Property Price | ABSD Saved (SC) | ABSD + Penalty if Caught |
|---|---|---|
| $1,500,000 | $300,000 | $300,000 + penalty |
| $2,000,000 | $400,000 | $400,000 + penalty |
| $3,000,000 | $600,000 | $600,000 + penalty |
ABSD rate: 20% for SC buying 2nd property (effective 27 Apr 2023). Penalties are determined by IRAS on a case-by-case basis.
Safer Alternatives
| Strategy | How It Works | IRAS Risk |
|---|---|---|
| Decoupling (50-50 to 100-0) | One spouse transfers their 50% share to the other. Transferring spouse becomes first-time buyer. | Lower — established practice |
| ABSD remission (married couples) | Buy the 2nd property jointly, pay ABSD upfront, apply for remission within 6 months of selling the first. | None — official IRAS scheme |
| Sell first, buy second | Sell Property 1 before buying Property 2. Both spouses are first-time buyers again. | None |
| 99-to-1 | Set up 99-1 ownership, transfer 1%, buy 2nd property. | High — active IRAS scrutiny |
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See the exact ABSD and BSD for any buyer profile and property price — so you know what you're actually saving (or risking).
Stamp Duty CalculatorFAQ
What is the 99-to-1 property ownership structure in Singapore?
In a 99-to-1 arrangement, Buyer A (e.g. the wife) takes 99% ownership while Buyer B (e.g. the husband) takes just 1%. When Buyer B later purchases a second property, their 1% share means they technically already own property — but ABSD is calculated on the purchase price of the new property, not the share. The strategy aimed to let B avoid ABSD by keeping their name on the first property at minimal cost.
Does the 99-to-1 strategy still work in 2026?
It is extremely risky. Since 2023, IRAS has actively scrutinised 99-to-1 arrangements. If IRAS determines that Buyer B is the beneficial owner of the first property (despite owning only 1%), they can impose full ABSD on the second purchase plus penalties. Several cases have resulted in hefty ABSD bills after the fact.
What is the IRAS position on 99-to-1 ownership?
IRAS looks at the substance of the arrangement, not just the legal form. If the 1% owner contributed significantly to mortgage payments, lived in the property, or the arrangement was clearly designed to avoid ABSD, IRAS may deem them the beneficial owner and impose ABSD accordingly.
What are safer alternatives to 99-to-1?
Decoupling (one spouse transfers their share to the other, paying BSD but becoming a "first-time buyer" again) is more commonly accepted. Other options include buying under a trust structure (with legal advice), or simply planning purchases around ABSD remission for married couples.
How much ABSD can you save with 99-to-1?
On paper, if Buyer B (SC) buys a $2M second property, they would normally pay 20% ABSD ($400,000). The 99-to-1 strategy aimed to eliminate this. However, if IRAS claws it back, you pay the full ABSD plus penalties — making it potentially more expensive than just paying upfront.
Related
- ABSD Singapore Guide — full breakdown of ABSD rates and exemptions
- Property Decoupling in Singapore — the safer alternative
- Stamp Duty Calculator — any price, any buyer profile
- ABSD Remission for Married Couples
- Property Cooling Measures Singapore
Last updated Feb 2026. ABSD rates effective 27 Apr 2023 (IRAS). This is general information, not legal or financial advice. Consult a property lawyer before attempting any ABSD-related ownership structure.