Blk 421 Ang Mo Kio Ave 10 is an HDB block in Ang Mo Kio (completed in 1978, 13 storeys, 134 units). As of Jul 2026, its median resale price over the last 24 months is $450,000, about 29% below the Ang Mo Kio median, from 5 sales. 203 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Ang Mo Kio |
|---|---|
| Completed | 1978 |
| Lease from | 1979 |
| Storeys | 13 |
| Dwelling units | 134 |
| Unit mix (sold) | 3-room ×111 · 4-room ×22 · exec ×1 |
| Recorded resales | 203 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 3-Room | $450,000 | $6,081/m² | 5 |
Median monthly rent at this block: $2,650/mo (4 rental contracts, last 12 months).
Estimated gross rental yield: ~7.1% (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 59% of Ang Mo Kio blocks with recent sales.
For a typical 3-room flat here, our price model estimates $431,246–$482,411 (central estimate $456,828). Recent sales — median $433,920 — 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 | $47,000 | $87,989 | 6 |
| 1991 | $47,000 | $85,063 | 5 |
| 1992 | $50,000 | $88,507 | 5 |
| 1993 | $99,000 | $171,318 | 3 |
| 1994 | $90,000 | $151,070 | 11 |
| 1995 | $130,000 | $214,512 | 5 |
| 1996 | $174,000 | $283,207 | 6 |
| 1997 | $197,000 | $314,285 | 5 |
| 1998 | $165,000 | $263,951 | 17 |
| 1999 | $147,500 | $235,900 | 11 |
| 2000 | $161,000 | $254,064 | 13 |
| 2001 | $146,250 | $228,473 | 8 |
| 2002 | $142,500 | $223,490 | 8 |
| 2003 | $164,000 | $255,960 | 6 |
| 2004 | $190,000 | $291,663 | 11 |
| 2005 | $162,000 | $247,510 | 8 |
| 2006 | $171,500 | $259,517 | 5 |
| 2007 | $183,000 | $271,197 | 7 |
| 2008 | $239,000 | $332,146 | 5 |
| 2009 | $265,000 | $366,126 | 5 |
| 2010 | $332,000 | $446,075 | 7 |
| 2011 | $350,000 | $446,795 | 5 |
| 2012 | $443,500 | $541,354 | 4 |
| 2013 | $454,000 | $541,374 | 2 |
| 2014 | $381,000 | $449,675 | 2 |
| 2015 | $349,000 | $414,072 | 6 |
| 2016 | $357,500 | $426,413 | 2 |
| 2017 | $348,000 | $412,701 | 3 |
| 2019 | $320,000 | $375,706 | 4 |
| 2020 | $375,000 | $441,040 | 3 |
| 2021 | $351,000 | $403,469 | 6 |
| 2023 | $420,000 | $433,920 | 3 |
| 2024 | $475,000 | $479,289 | 3 |
| 2025 | $447,500 | $447,500 | 2 |
| 2026 | $458,000 | $458,000 | 1 |
| Record sale | $843,000 (Executive, 2015-06) |
|---|---|
| First recorded sale | $43,000 (1990-03) |
| Busiest year | 1998 · 17 sales |
| 10-year change (real) | +7% (+0.7%/yr, 2016→2026) |
| Total transacted | $45.0M across 203 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-02 | 3-Room | 13 TO 15 | 74 | $458,000 |
| 2025-07 | 3-Room | 07 TO 09 | 74 | $445,000 |
| 2025-06 | 3-Room | 04 TO 06 | 74 | $450,000 |
| 2024-11 | 3-Room | 10 TO 12 | 74 | $475,000 |
| 2024-10 | 3-Room | 07 TO 09 | 74 | $430,000 |
| 2024-06 | 4-Room | 04 TO 06 | 99 | $490,000 |
| 2023-11 | 3-Room | 10 TO 12 | 74 | $375,000 |
| 2023-02 | 3-Room | 10 TO 12 | 74 | $420,000 |
| 2023-02 | 3-Room | 10 TO 12 | 74 | $440,000 |
| 2021-11 | 3-Room | 10 TO 12 | 74 | $352,000 |
| 2021-08 | 3-Room | 04 TO 06 | 74 | $330,000 |
| 2021-08 | 3-Room | 10 TO 12 | 74 | $335,000 |
| 2021-06 | 3-Room | 07 TO 09 | 74 | $353,888 |
| 2021-06 | 4-Room | 07 TO 09 | 99 | $428,000 |
| 2021-02 | 3-Room | 04 TO 06 | 89 | $350,000 |
| 2020-11 | 3-Room | 01 TO 03 | 74 | $325,000 |
| 2020-11 | 4-Room | 13 TO 15 | 99 | $375,000 |
| 2020-08 | 4-Room | 04 TO 06 | 99 | $390,000 |
| 2019-08 | 3-Room | 13 TO 15 | 74 | $310,000 |
| 2019-08 | 4-Room | 10 TO 12 | 99 | $400,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 431 | $868,000 | $7,294/m² |
| 2. Blk 439 | $819,000 | $6,882/m² |
| 3. Blk 545 | $780,000 | $6,610/m² |
| 4. Blk 437 | $756,444 | $6,357/m² |
| 5. Blk 539 | $756,400 | $6,410/m² |
| 6. Blk 458 | $750,888 | $6,257/m² |
| 7. Blk 552 | $745,000 | $6,261/m² |
| 8. Blk 553 | $730,000 | $6,134/m² |
| 9. Blk 402 | $710,000 | $5,966/m² |
| 10. Blk 401 | $708,000 | $5,950/m² |
| 11. Blk 551 | $700,000 | $5,932/m² |
| 12. Blk 460 | $695,000 | $5,792/m² |
| 13. Blk 459 | $655,000 | $5,458/m² |
| 14. Blk 413 | $571,888 | $6,216/m² |
| 15. Blk 411 | $568,000 | $6,174/m² |
Showing the top 15 of 79 blocks.
The median resale price over the last 24 months is $450,000 (5 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 $431,246–$482,411 (central estimate $456,828). Recent sales — median $433,920 — sit within that range.
The median monthly rent is $2,650/mo over the last 12 months (4 contracts).
The block was completed in 1978 and its 99-year lease runs from 1979.