Blk 423 Ang Mo Kio Ave 3 is an HDB block in Ang Mo Kio (completed in 1978, 11 storeys, 100 units). As of Jul 2026, its median resale price over the last 24 months is $738,444, about 17% above the Ang Mo Kio median, from 4 sales. 46 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Ang Mo Kio |
|---|---|
| Completed | 1978 |
| Lease from | 1993 |
| Storeys | 11 |
| Dwelling units | 100 |
| Unit mix (sold) | 4-room ×80 · 5-room ×20 |
| Recorded resales | 46 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $738,444 | $6,837/m² | 4 |
Median monthly rent at this block: $2,500/mo (3 rental contracts, last 12 months).
Estimated gross rental yield: ~4.1% (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 19% of Ang Mo Kio blocks with recent sales.
For a typical 4-room flat here, our price model estimates $733,727–$820,779 (central estimate $777,253). Recent sales — median $741,731 — 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 |
|---|---|---|---|
| 1996 | $325,000 | $528,978 | 5 |
| 1997 | $382,250 | $609,824 | 4 |
| 1998 | $355,000 | $567,895 | 2 |
| 1999 | $310,000 | $495,791 | 5 |
| 2000 | $330,000 | $520,753 | 3 |
| 2001 | $310,000 | $484,284 | 2 |
| 2002 | $351,500 | $551,275 | 2 |
| 2003 | $342,500 | $534,551 | 2 |
| 2004 | $305,000 | $468,195 | 1 |
| 2006 | $295,000 | $446,400 | 1 |
| 2007 | $335,000 | $496,453 | 1 |
| 2008 | $351,500 | $488,491 | 2 |
| 2010 | $495,000 | $665,082 | 2 |
| 2011 | $535,000 | $682,959 | 1 |
| 2012 | $552,500 | $674,404 | 2 |
| 2016 | $585,000 | $697,766 | 1 |
| 2020 | $615,000 | $723,306 | 4 |
| 2021 | $660,000 | $758,661 | 2 |
| 2024 | $728,000 | $734,574 | 1 |
| 2025 | $748,888 | $748,888 | 3 |
| Record sale | $780,000 (4-Room, 2025-12) |
|---|---|
| First recorded sale | $320,000 (1996-01) |
| Busiest year | 1996 · 5 sales |
| Total transacted | $20.0M across 46 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-12 | 4-Room | 04 TO 06 | 109 | $780,000 |
| 2025-09 | 4-Room | 04 TO 06 | 108 | $748,888 |
| 2025-02 | 4-Room | 04 TO 06 | 108 | $670,000 |
| 2024-09 | 4-Room | 07 TO 09 | 108 | $728,000 |
| 2021-08 | 5-Room | 01 TO 03 | 133 | $640,000 |
| 2021-01 | 5-Room | 01 TO 03 | 133 | $680,000 |
| 2020-07 | 4-Room | 04 TO 06 | 109 | $580,000 |
| 2020-07 | 5-Room | 01 TO 03 | 133 | $650,000 |
| 2020-05 | 4-Room | 04 TO 06 | 108 | $540,000 |
| 2020-01 | 5-Room | 01 TO 03 | 133 | $700,000 |
| 2016-03 | 4-Room | 10 TO 12 | 108 | $585,000 |
| 2012-11 | 4-Room | 10 TO 12 | 108 | $570,000 |
| 2012-04 | 4-Room | 01 TO 05 | 109 | $535,000 |
| 2011-03 | 4-Room | 10 TO 12 | 112 | $535,000 |
| 2010-12 | 4-Room | 07 TO 09 | 108 | $515,000 |
| 2010-05 | 4-Room | 07 TO 09 | 108 | $475,000 |
| 2008-03 | 4-Room | 04 TO 06 | 108 | $338,000 |
| 2008-03 | 4-Room | 10 TO 12 | 108 | $365,000 |
| 2007-06 | 4-Room | 04 TO 06 | 108 | $335,000 |
| 2006-01 | 4-Room | 01 TO 03 | 108 | $295,000 |
| 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 $738,444 (4 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical 4-room flat here, our price model estimates $733,727–$820,779 (central estimate $777,253). Recent sales — median $741,731 — sit within that range.
The median monthly rent is $2,500/mo over the last 12 months (3 contracts).
The block was completed in 1978 and its 99-year lease runs from 1993.