Blk 121 Ang Mo Kio Ave 3 is an HDB block in Ang Mo Kio (completed in 1978, 11 storeys, 217 units). As of Jul 2026, its median resale price over the last 24 months is $397,500, about 37% below the Ang Mo Kio median, from 10 sales. 292 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Ang Mo Kio |
|---|---|
| Completed | 1978 |
| Lease from | 1978 |
| Storeys | 11 |
| Dwelling units | 217 |
| Unit mix (sold) | 3-room ×194 · 4-room ×20 · 5-room ×2 · exec ×1 |
| Recorded resales | 292 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 3-Room | $397,500 | $5,933/m² | 10 |
Median monthly rent at this block: $2,800/mo (10 rental contracts, last 12 months).
Estimated gross rental yield: ~8.5% (Ang Mo Kio average: ~5.5%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 76% of Ang Mo Kio blocks with recent sales.
For a typical 3-room flat here, our price model estimates $373,601–$417,927 (central estimate $395,764). Recent sales — median $403,612 — sit within that range. The model explains 94% of resale prices with a typical error of ±6%. Indicative only — not an official valuation.
| Year | Median (nominal) | Median (today's $) | Sales |
|---|---|---|---|
| 1990 | $46,500 | $87,053 | 10 |
| 1991 | $50,000 | $90,493 | 11 |
| 1992 | $47,000 | $83,196 | 7 |
| 1993 | $50,000 | $86,524 | 1 |
| 1994 | $106,000 | $177,927 | 12 |
| 1995 | $126,500 | $208,736 | 10 |
| 1996 | $162,000 | $263,675 | 13 |
| 1997 | $212,500 | $339,013 | 8 |
| 1998 | $176,000 | $281,548 | 11 |
| 1999 | $160,000 | $255,892 | 23 |
| 2000 | $166,000 | $261,955 | 13 |
| 2001 | $148,250 | $231,597 | 12 |
| 2002 | $157,500 | $247,015 | 8 |
| 2003 | $159,000 | $248,157 | 14 |
| 2004 | $170,000 | $260,961 | 7 |
| 2005 | $190,000 | $290,289 | 11 |
| 2006 | $172,800 | $261,484 | 7 |
| 2007 | $220,000 | $326,029 | 3 |
| 2008 | $243,000 | $337,705 | 9 |
| 2009 | $292,000 | $403,430 | 7 |
| 2010 | $305,000 | $409,798 | 8 |
| 2011 | $339,000 | $432,753 | 8 |
| 2012 | $381,400 | $465,552 | 6 |
| 2013 | $360,000 | $429,283 | 5 |
| 2014 | $524,000 | $618,450 | 2 |
| 2015 | $330,444 | $392,056 | 6 |
| 2016 | $356,000 | $424,624 | 2 |
| 2017 | $320,000 | $379,495 | 4 |
| 2018 | $280,000 | $330,609 | 9 |
| 2019 | $285,000 | $334,614 | 6 |
| 2020 | $260,000 | $305,788 | 9 |
| 2021 | $315,500 | $362,663 | 6 |
| 2022 | $389,900 | $422,293 | 6 |
| 2023 | $368,000 | $380,197 | 3 |
| 2024 | $395,000 | $398,567 | 7 |
| 2025 | $420,000 | $420,000 | 3 |
| 2026 | $385,000 | $385,000 | 5 |
| Record sale | $800,000 (Executive, 2018-06) |
|---|---|
| First recorded sale | $44,000 (1990-01) |
| Busiest year | 1999 · 23 sales |
| 10-year change (real) | -9% (-1.0%/yr, 2016→2026) |
| Total transacted | $65.8M across 292 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-05 | 3-Room | 10 TO 12 | 67 | $378,888 |
| 2026-05 | 3-Room | 01 TO 03 | 67 | $385,000 |
| 2026-05 | 3-Room | 10 TO 12 | 67 | $395,000 |
| 2026-04 | 3-Room | 01 TO 03 | 67 | $360,000 |
| 2026-03 | 3-Room | 04 TO 06 | 67 | $405,000 |
| 2025-09 | 3-Room | 04 TO 06 | 67 | $432,000 |
| 2025-09 | 3-Room | 04 TO 06 | 67 | $418,888 |
| 2025-07 | 3-Room | 04 TO 06 | 67 | $420,000 |
| 2024-12 | 3-Room | 01 TO 03 | 67 | $400,000 |
| 2024-08 | 3-Room | 01 TO 03 | 67 | $355,000 |
| 2024-07 | 3-Room | 01 TO 03 | 67 | $378,000 |
| 2024-07 | 3-Room | 10 TO 12 | 67 | $395,000 |
| 2024-07 | 3-Room | 04 TO 06 | 67 | $420,000 |
| 2024-04 | 4-Room | 07 TO 09 | 92 | $500,000 |
| 2024-03 | 3-Room | 07 TO 09 | 67 | $375,000 |
| 2023-11 | 3-Room | 04 TO 06 | 67 | $368,000 |
| 2023-05 | 3-Room | 10 TO 12 | 67 | $388,000 |
| 2023-01 | 3-Room | 01 TO 03 | 67 | $346,000 |
| 2022-11 | 3-Room | 07 TO 09 | 67 | $395,000 |
| 2022-10 | 3-Room | 04 TO 06 | 67 | $391,800 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 430 | $838,888 | $7,049/m² |
| 2. Blk 234 | $820,000 | $6,560/m² |
| 3. Blk 311 | $800,000 | $6,504/m² |
| 4. Blk 132 | $762,000 | $6,195/m² |
| 5. Blk 423 | $738,444 | $6,837/m² |
| 6. Blk 101 | $725,000 | $6,197/m² |
| 7. Blk 102 | $710,000 | $6,339/m² |
| 8. Blk 312 | $661,500 | $6,016/m² |
| 9. Blk 324 | $658,000 | $6,714/m² |
| 10. Blk 344 | $630,000 | $6,429/m² |
| 11. Blk 327 | $620,000 | $6,327/m² |
| 12. Blk 326 | $619,000 | $6,728/m² |
| 13. Blk 325 | $605,888 | $6,183/m² |
| 14. Blk 204 | $580,000 | $6,304/m² |
| 15. Blk 429 | $580,000 | $6,304/m² |
Showing the top 15 of 68 blocks.
The median resale price over the last 24 months is $397,500 (10 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical 3-room flat here, our price model estimates $373,601–$417,927 (central estimate $395,764). Recent sales — median $403,612 — sit within that range.
The median monthly rent is $2,800/mo over the last 12 months (10 contracts).
The block was completed in 1978 and its 99-year lease runs from 1978.