ABSD Calculation: Every Buyer Profile Scenario Explained

Additional Buyer’s Stamp Duty (ABSD) is calculated by applying the correct ABSD rate to the higher of purchase price or market value of a residential property, based on the buyer’s profile and how many properties they already own. This is then added on top of Buyer’s Stamp Duty (BSD).

As of 2026, IRAS’ post‑27 Apr 2023 schedule sets ABSD rates at 0–30% for Singapore Citizens, 5–35% for Permanent Residents, 60% for foreigners, and 65% for entities, depending on the property count. For RES exam questions, always identify buyer type + property count + value base before you calculate.

Key ABSD rates (2026, residential, based on higher of price or market value)

Buyer Profile	1st Property	2nd Property	3rd+ Property
Singapore Citizen (SC)	0%	20%	30%
Singapore Permanent Resident (PR)	5%	30%	35%
Foreigner (individual)	60%	60%	60%
Entity / Company / Trust	65%	65%	65%

For RES exam candidates, ABSD sits under Taxation in Paper 2, alongside BSD, SSD and property tax. Exam scenarios almost always test whether you can pick the correct rate, apply it to the correct base, and then add BSD + ABSD to get total stamp duty payable. In 40–50 words: ABSD calculation in Singapore uses buyer profile–based rates on the higher of price or valuation, added to BSD for total stamp duty.

For Singapore Citizens, ABSD is 0% on the first residential property, 20% on the second, and 30% on the third and subsequent properties, based on the higher of purchase price or market value. The RES exam loves second‑property SC scenarios.

Rule / Formula (SC, residential):

• 1st property: ABSD = 0%
• 2nd property: ABSD = 20% × higher of (price, market value)
• 3rd+ property: ABSD = 30% × higher of (price, market value)

Worked Example 1 – First property (no ABSD)
A Singapore Citizen buys their first condo at S$1.2 million, valuation S$1.25 million.

1. Identify base: higher of price vs value = S$1.25M.
2. Determine property count: first property → ABSD rate = 0%.
3. ABSD = 0% × 1,250,000 = S$0.
4. Only BSD is payable, using IRAS’ residential BSD tiers.

Worked Example 2 – Second property (20% ABSD)
Same SC later buys a second condo priced at S$1.2M, market value S$1.18M.

1. Base value = higher of price vs value = S$1.2M.
2. Property count: now buying second property → ABSD rate = 20%.
3. ABSD = 20% × 1,200,000 = S$240,000.
4. Total stamp duty = BSD (tiered on S$1.2M) + S$240,000 ABSD.

Worked Example 3 – Third property (30% ABSD)
SC later buys a third property at S$900,000, valuation S$880,000.

1. Base value = S$900,000 (higher).
2. Property count: third → ABSD rate = 30%.
3. ABSD = 30% × 900,000 = S$270,000.

Common RES exam trap: miscounting property ownership (e.g., forgetting a jointly owned HDB) and applying the wrong tier. Always confirm current HDB/condo count before choosing the rate. In 40–50 words: Singapore Citizens pay 0% ABSD on the first home, 20% on the second, and 30% on the third+, always on the higher of price or valuation.

For Singapore Permanent Residents, ABSD applies even on the first residential property: 5% for the first, 30% for the second, and 35% for the third and subsequent properties. This is a high‑yield RES exam topic because many candidates forget the 5% on the first PR purchase.

Rule / Formula (PR, residential):

• 1st property: ABSD = 5% × higher of (price, market value)
• 2nd property: ABSD = 30% × higher of (price, market value)
• 3rd+ property: ABSD = 35% × higher of (price, market value)

Worked Example 1 – PR first property (5% ABSD)
A Singapore PR buys their first HDB resale flat at S$700,000, valuation S$720,000.

1. Identify base: higher of price vs value = S$720,000.
2. Property count: first property → ABSD rate = 5%.
3. ABSD = 5% × 720,000 = S$36,000.
4. Total stamp duty = BSD (on S$720,000) + S$36,000 ABSD.

Worked Example 2 – PR second property (30% ABSD)
Same PR later buys a private condo at S$1,000,000, valuation S$980,000.

1. Base value = S$1,000,000 (higher).
2. Property count: second → ABSD rate = 30%.
3. ABSD = 30% × 1,000,000 = S$300,000.

Worked Example 3 – PR third property (35% ABSD)
PR buys a third property at S$1.5M, valuation S$1.55M.

1. Base = S$1.55M (higher).
2. Property count: third → ABSD rate = 35%.
3. ABSD = 35% × 1,550,000 = S$542,500.

RES exam trap: some questions phrase PR status as "recently converted from foreigner" or mix joint purchases; always use PR rate if PR at the time of purchase and count all residential properties owned globally where relevant. In 40–50 words: PR ABSD is 5% on the first home, 30% on the second, 35% on the third+, making ABSD calculation crucial for both buyers and exam candidates.

Foreigners and entities face the highest ABSD rates: foreigners pay 60% on any residential property, and entities (including companies and many trusts) pay 65%, regardless of property count. These profiles frequently appear in RES Paper 2 case studies.

Rule / Formula (foreigners & entities):

• Foreigner individual: ABSD = 60% × higher of (price, market value)
• Entity / company / most trusts: ABSD = 65% × higher of (price, market value)

Worked Example 1 – Foreigner buying a condo (60% ABSD)
A foreign individual buys a condo at S$2,000,000, valuation S$2,100,000.

1. Base value: higher of price vs value = S$2.1M.
2. Buyer profile: foreigner → ABSD rate = 60%.
3. ABSD = 60% × 2,100,000 = S$1,260,000.
4. BSD (residential) on S$2.1M is computed using IRAS tiers:
   • 1% on first S$180,000 = S$1,800
   • 2% on next S$180,000 = S$3,600
   • 3% on next S$640,000 = S$19,200
   • 4% on next S$500,000 = S$20,000
   • 5% on remaining S$600,000 = S$30,000
     BSD total = S$74,600.
5. Total stamp duty = S$74,600 (BSD) + S$1,260,000 (ABSD) = S$1,334,600.

Worked Example 2 – Entity buying residential property (65% ABSD)
A company buys a residential shophouse at S$3M, valuation S$3.2M.

1. Base value = S$3.2M.
2. Buyer profile: entity → ABSD rate = 65%.
3. ABSD = 65% × 3,200,000 = S$2,080,000.

RES exam trap: students may mistakenly apply foreign individual rates to corporate buyers or forget that entity ABSD applies even for the first property. Always classify buyer as individual vs company vs trust, then apply the correct rate table. In 40–50 words: foreigners pay 60% ABSD and entities 65% on any residential purchase, making the correct identification of buyer type essential in ABSD calculation questions.

Most RES exam taxation questions require you to compute both BSD and ABSD, then sum them for total stamp duty payable. The calculation chain must be clear: confirm profile, value base, BSD tiers, ABSD rate, then total.

General Formula:

1. Identify buyer profile (SC, PR, foreigner, entity) and property count.
2. Determine value base: higher of purchase price or market value.
3. Compute BSD using IRAS residential tiers.
4. Compute ABSD = applicable rate × base value.
5. Total stamp duty = BSD + ABSD.

Worked Example – SC buying second residential property at S$1.5M

A Singapore Citizen buys a second condo at S$1.5M, valuation equal to price.

1. Buyer profile: SC, second property → ABSD rate = 20%.
2. Base value = S$1,500,000.
3. BSD calculation (residential):
   • 1% on first S$180,000 = S$1,800
   • 2% on next S$180,000 = S$3,600
   • 3% on next S$640,000 = S$19,200
   • 4% on next S$500,000 = S$20,000
     BSD total = S$44,600 (matches common worked examples).
4. ABSD = 20% × 1,500,000 = S$300,000.
5. Total stamp duty = S$44,600 + S$300,000 = S$344,600.

Comparison: BSD tiers vs ABSD flat percentages (2026)

Component	Basis	Rate Structure
BSD	Higher of price or value	Progressive: 1–6% in tiers on residential value
ABSD	Higher of price or value	Flat % by profile and property count (0–65%)

RES exam trap: forgetting to include BSD at all, or applying ABSD percentage stepwise like BSD tiers. BSD is tiered, ABSD is single‑rate per profile. In 40–50 words: RES candidates must show full BSD + ABSD working, because marking schemes reward correct process, not just the final number.

For RES exam candidates, this topic falls under Taxation in Paper 2. You can explore the broader stamp duty framework in our Taxation overview and practice multi‑step calculations using the Homejourney stamp duty calculator alongside our Free RES Practice questions.

Many ABSD mistakes in the RES exam arise from wrong buyer profile, wrong property count, or wrong value base. Question setters deliberately design case studies to trip candidates on these steps rather than on arithmetic.

Major Traps and How to Avoid Them

1. Ignoring jointly owned properties
   An SC who co‑owns an HDB with a spouse usually counts that as one property for ABSD purposes. Always tally all residential properties owned worldwide, including joint tenancies.

2. Mixing SC and PR rates in mixed‑citizenship purchases
   For married couples with different citizenship status, ABSD can be assessed at specific blended rates. The exam may simplify this, but you must still identify the dominant profile and read the question carefully.

3. Using purchase price when valuation is higher
   IRAS states clearly that stamp duty (BSD and ABSD) is based on the higher of purchase price or market value. If valuation exceeds price, use valuation; exam questions often include a higher valuation to test this rule.

4. Applying wrong PR tier (forgetting 5% on first property)
   PRs pay ABSD even on their first residential property (5%), which is frequently tested as a conceptual trap.

5. Not distinguishing residential vs non‑residential
   ABSD applies to residential properties only. BSD applies to both, with different rate tables beyond S$3M; ensure you classify the property correctly using cues in the stem (e.g., "industrial", "commercial").

For RES candidates, this topic links closely to the Estate Agents Act (Cap. 95A) and IRAS stamp duty regulations, under Paper 2 taxation. In 40–50 words: avoid ABSD traps by double‑checking buyer status, property count, residential use, and whether valuation exceeds price before choosing the rate and computing stamp duty.

If you are mapping out your study plan, our RES Exam Guide and RES Course Guide explain the two‑paper format, the requirement to complete a CEA‑approved RES course, and how taxation fits into the broader syllabus endorsed in the CEA Annual Report.

This Q&A section is designed to match common search queries like “ABSD calculation Singapore”, “ABSD buyer profile”, and “IRAS ABSD rates Singapore permanent resident first residential property 2026”.

Q1: What are the ABSD rates in Singapore for 2026?
As of IRAS’ post‑27 Apr 2023 schedule (still current in 2026), ABSD for residential property is:

• Singapore Citizens: 0% (1st), 20% (2nd), 30% (3rd+)
• Singapore PRs: 5% (1st), 30% (2nd), 35% (3rd+)
• Foreigners: 60% (any property)
• Entities / Trusts: 65% (any property)

In 40–50 words: 2026 ABSD rates follow IRAS’ April 2023 table, charging 0–35% for citizens and PRs, 60% for foreigners and 65% for entities, on the higher of price or valuation for residential purchases.

Q2: How do I calculate ABSD for a PR buying a first residential property?
Step‑by‑step:

1. Confirm PR status at purchase and that it is a residential property.
2. Count existing residential properties → "first" property.
3. Identify higher of purchase price or market value.
4. Apply 5% ABSD: ABSD = 5% × base value.

Example: PR buying a first home at S$800,000, valuation S$820,000 → base S$820,000 → ABSD = 5% × 820,000 = S$41,000, plus BSD.

Q3: Where can I verify current ABSD rates?
Check the IRAS Additional Buyer’s Stamp Duty (ABSD) page for official rate tables and examples, and the Buyer’s Stamp Duty (BSD) page for tiered BSD rates. CEA’s RES exam syllabus for taxation is aligned to these official IRAS rules, as reflected in the CEA Annual Report.

Q4: How is ABSD tested in the RES exam?
ABSD appears in Paper 2 (Taxation) MCQs and case‑study questions, often combined with BSD, SSD and property tax. You must show the correct process: identify profile, property count, value base, apply rates, and total the stamp duties. The passing mark is 60 for each paper, subject to CEA review.

To prepare thoroughly, use the Prepare app together with our Pricing plans and Free RES Practice sets; the app includes roughly 2,000 practice questions across 13 topics, so you can drill ABSD, BSD, SSD and related taxation rules under timed, exam‑style conditions.