Blk 631 Ang Mo Kio Avenue 4 — HDB resale prices
HDB resale prices, Ang Mo Kio · 3-Room · built 1979
median resale price, last 24 months
15 sales in that window · as of Sep 2026
How it compares
Blk 631 Ang Mo Kio Avenue 4 is an HDB block in Ang Mo Kio (completed in 1979, 11 storeys, 200 units). As of Sep 2026, its median resale price over the last 24 months is $438,000, about 15% below the Ang Mo Kio median, from 15 sales. 298 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 3-room ×179 · 4-room ×19 · 5-room ×1 · exec ×1
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $2,800/mo (11 rental contracts, last 12 months).
Estimated gross rental yield: ~7.7% (Ang Mo Kio average: ~6.8%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 34% of Ang Mo Kio blocks with recent sales.
What the price model says
For a typical 3-room flat here, our price model estimates $436,782–$488,310 (central estimate $462,546). Recent sales — median $427,408 — sit below that range. The model explains 94% of resale prices with a typical error of ±6%. Indicative only — not an official valuation.
Median resale price by year
| Year | Median (nominal) | Median (today's $) | Sales |
|---|---|---|---|
| 1990 | $51,500 | $96,414 | 6 |
| 1991 | $50,000 | $90,493 | 9 |
| 1992 | $54,000 | $95,587 | 2 |
| 1993 | $78,000 | $134,978 | 11 |
| 1994 | $105,000 | $176,248 | 15 |
| 1995 | $135,900 | $224,247 | 10 |
| 1996 | $188,000 | $305,994 | 14 |
| 1997 | $265,000 | $422,769 | 5 |
| 1998 | $161,750 | $258,752 | 12 |
| 1999 | $153,000 | $244,697 | 23 |
| 2000 | $165,000 | $260,377 | 9 |
| 2001 | $144,750 | $226,130 | 18 |
| 2002 | $152,500 | $239,174 | 10 |
| 2003 | $167,000 | $260,643 | 5 |
| 2004 | $170,000 | $260,961 | 11 |
| 2005 | $170,000 | $259,732 | 11 |
| 2006 | $170,000 | $257,247 | 9 |
| 2007 | $177,000 | $262,305 | 1 |
| 2008 | $230,000 | $319,639 | 5 |
| 2009 | $246,000 | $339,876 | 13 |
| 2010 | $305,000 | $409,798 | 11 |
| 2011 | $349,000 | $445,519 | 10 |
| 2012 | $342,500 | $418,069 | 4 |
| 2013 | $359,000 | $428,091 | 6 |
| 2014 | $408,500 | $482,132 | 4 |
| 2015 | $319,000 | $378,478 | 8 |
| 2016 | $325,000 | $387,648 | 7 |
| 2017 | $303,000 | $359,334 | 9 |
| 2018 | $345,000 | $407,357 | 1 |
| 2019 | $278,000 | $326,395 | 9 |
| 2020 | $275,000 | $323,430 | 4 |
| 2021 | $350,444 | $402,830 | 4 |
| 2022 | $358,500 | $388,284 | 4 |
| 2023 | $605,000 | $625,052 | 2 |
| 2024 | $488,500 | $492,911 | 2 |
| 2025 | $427,500 | $427,500 | 8 |
| 2026 | $439,000 | $439,000 | 6 |
Records
| Record sale | $830,000 (5-Room, 2023-09) |
|---|---|
| First recorded sale | $40,000 (1990-03) |
| Busiest year | 1999 · 23 sales |
| 10-year change (real) | +13% (+1.3%/yr, 2016→2026) |
| Total transacted | $66.5M across 298 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-08 | 3-Room | 07–09 | 67 m² | $438,000 |
| 2026-07 | 3-Room | 10–12 | 67 m² | $440,000 |
| 2026-07 | 3-Room | 04–06 | 67 m² | $420,000 |
| 2026-03 | 3-Room | 10–12 | 67 m² | $440,000 |
| 2026-03 | 3-Room | 04–06 | 67 m² | $440,000 |
| 2026-03 | 3-Room | 07–09 | 67 m² | $423,000 |
| 2025-12 | 3-Room | 07–09 | 67 m² | $428,000 |
| 2025-12 | 3-Room | 10–12 | 67 m² | $408,000 |
| 2025-10 | 3-Room | 07–09 | 67 m² | $468,000 |
| 2025-10 | 3-Room | 04–06 | 67 m² | $427,000 |
| 2025-09 | 3-Room | 01–03 | 67 m² | $398,000 |
| 2025-04 | 3-Room | 10–12 | 67 m² | $468,000 |
| 2025-04 | 3-Room | 07–09 | 67 m² | $420,000 |
| 2025-03 | 3-Room | 04–06 | 67 m² | $452,888 |
| 2024-12 | 3-Room | 07–09 | 82 m² | $477,000 |
| 2024-02 | 4-Room | 04–06 | 93 m² | $500,000 |
| 2023-09 | 5-Room | 10–12 | 134 m² | $830,000 |
| 2023-08 | 3-Room | 10–12 | 67 m² | $380,000 |
| 2022-11 | 3-Room | 01–03 | 67 m² | $342,000 |
| 2022-10 | 3-Room | 10–12 | 67 m² | $395,000 |
Ang Mo Kio Avenue 4 blocks ranked by price
Showing the top 15 of 45 priced blocks.
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Quick answers
How much does a flat at Blk 631 Ang Mo Kio Avenue 4 cost?
The median resale price over the last 24 months is $438,000 (15 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 631 Ang Mo Kio Avenue 4 fairly priced?
For a typical 3-room flat here, our price model estimates $436,782–$488,310 (central estimate $462,546). Recent sales — median $427,408 — sit below that range.
What is the rent at Blk 631 Ang Mo Kio Avenue 4?
The median monthly rent is $2,800/mo over the last 12 months (11 contracts).
How old is Blk 631 Ang Mo Kio Avenue 4?
The block was completed in 1979 and its 99-year lease runs from 1985.