Blk 644 Ang Mo Kio Ave 4 is an HDB block in Ang Mo Kio (completed in 1980, 11 storeys, 158 units). As of Jul 2026, its median resale price over the last 24 months is $458,000, about 27% below the Ang Mo Kio median, from 9 sales. 249 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Ang Mo Kio |
|---|---|
| Completed | 1980 |
| Lease from | 1980 |
| Storeys | 11 |
| Dwelling units | 158 |
| Unit mix (sold) | 3-room ×136 · 4-room ×20 · 5-room ×1 · exec ×1 |
| Recorded resales | 249 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 3-Room | $454,000 | $5,916/m² | 8 |
| 4-Room | $568,000 | $5,680/m² | 1 |
Median monthly rent at this block: $3,000/mo (3 rental contracts, last 12 months).
Estimated gross rental yield: ~7.9% (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 81% of Ang Mo Kio blocks with recent sales.
For a typical 3-room flat here, our price model estimates $429,451–$480,402 (central estimate $454,927). Recent sales — median $444,252 — 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 | $42,000 | $78,629 | 9 |
| 1991 | $47,000 | $85,063 | 17 |
| 1992 | $54,000 | $95,587 | 7 |
| 1993 | $67,500 | $116,808 | 9 |
| 1994 | $95,000 | $159,463 | 13 |
| 1995 | $137,000 | $226,062 | 9 |
| 1996 | $188,500 | $306,807 | 11 |
| 1997 | $240,000 | $382,885 | 7 |
| 1998 | $178,500 | $285,547 | 16 |
| 1999 | $172,000 | $275,084 | 9 |
| 2000 | $159,500 | $251,697 | 12 |
| 2001 | $149,250 | $233,160 | 10 |
| 2002 | $182,400 | $286,067 | 8 |
| 2003 | $172,000 | $268,446 | 9 |
| 2004 | $170,000 | $260,961 | 12 |
| 2005 | $169,000 | $258,205 | 4 |
| 2006 | $201,150 | $304,384 | 4 |
| 2007 | $183,500 | $271,938 | 6 |
| 2008 | $244,500 | $339,790 | 4 |
| 2009 | $284,000 | $392,377 | 10 |
| 2010 | $337,000 | $452,793 | 8 |
| 2011 | $350,000 | $446,795 | 9 |
| 2012 | $371,000 | $452,858 | 5 |
| 2013 | $430,000 | $512,755 | 3 |
| 2014 | $392,000 | $462,657 | 3 |
| 2016 | $375,000 | $447,286 | 2 |
| 2017 | $350,000 | $415,073 | 3 |
| 2018 | $323,000 | $381,381 | 5 |
| 2019 | $304,500 | $357,508 | 2 |
| 2020 | $365,000 | $429,279 | 4 |
| 2021 | $368,000 | $423,011 | 5 |
| 2023 | $430,000 | $444,252 | 5 |
| 2024 | $465,000 | $469,199 | 3 |
| 2025 | $458,000 | $458,000 | 5 |
| 2026 | $445,000 | $445,000 | 1 |
| Record sale | $688,888 (5-Room, 2018-07) |
|---|---|
| First recorded sale | $45,500 (1990-02) |
| Busiest year | 1991 · 17 sales |
| 10-year change (real) | -1% (-0.1%/yr, 2016→2026) |
| Total transacted | $52.8M across 249 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-06 | 3-Room | 04 TO 06 | 75 | $445,000 |
| 2025-11 | 3-Room | 07 TO 09 | 89 | $525,000 |
| 2025-11 | 3-Room | 04 TO 06 | 75 | $440,000 |
| 2025-10 | 3-Room | 07 TO 09 | 75 | $458,000 |
| 2025-04 | 4-Room | 07 TO 09 | 100 | $568,000 |
| 2025-02 | 3-Room | 10 TO 12 | 75 | $450,000 |
| 2024-10 | 3-Room | 04 TO 06 | 75 | $430,000 |
| 2024-10 | 3-Room | 01 TO 03 | 89 | $480,000 |
| 2024-08 | 3-Room | 07 TO 09 | 75 | $465,000 |
| 2023-12 | 3-Room | 10 TO 12 | 75 | $430,000 |
| 2023-10 | 3-Room | 04 TO 06 | 75 | $380,000 |
| 2023-10 | 3-Room | 01 TO 03 | 75 | $388,000 |
| 2023-05 | 4-Room | 01 TO 03 | 100 | $445,000 |
| 2023-04 | 4-Room | 10 TO 12 | 100 | $530,000 |
| 2021-12 | 3-Room | 10 TO 12 | 75 | $373,000 |
| 2021-11 | 3-Room | 04 TO 06 | 75 | $340,000 |
| 2021-11 | 3-Room | 04 TO 06 | 89 | $395,000 |
| 2021-09 | 3-Room | 10 TO 12 | 75 | $368,000 |
| 2021-06 | 3-Room | 07 TO 09 | 75 | $340,000 |
| 2020-11 | 3-Room | 01 TO 03 | 89 | $345,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 616 | $1,100,000 | $7,383/m² |
| 2. Blk 613 | $1,090,000 | $7,276/m² |
| 3. Blk 614 | $1,050,000 | $7,047/m² |
| 4. Blk 176 | $965,000 | $7,882/m² |
| 5. Blk 618 | $938,000 | $7,000/m² |
| 6. Blk 615 | $920,000 | $6,174/m² |
| 7. Blk 617 | $865,000 | $6,586/m² |
| 8. Blk 609 | $833,888 | $6,317/m² |
| 9. Blk 111 | $800,000 | $6,838/m² |
| 10. Blk 171 | $745,000 | $6,220/m² |
| 11. Blk 619 | $713,000 | $6,664/m² |
| 12. Blk 105 | $617,500 | $6,712/m² |
| 13. Blk 254 | $590,000 | $6,020/m² |
| 14. Blk 177 | $547,500 | $5,951/m² |
| 15. Blk 175 | $540,888 | $5,879/m² |
Showing the top 15 of 47 blocks.
The median resale price over the last 24 months is $458,000 (9 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 $429,451–$480,402 (central estimate $454,927). Recent sales — median $444,252 — sit within that range.
The median monthly rent is $3,000/mo over the last 12 months (3 contracts).
The block was completed in 1980 and its 99-year lease runs from 1980.