Blk 623 Ang Mo Kio Ave 9 is an HDB block in Ang Mo Kio (completed in 1979, 12 storeys, 108 units). As of Jul 2026, its median resale price over the last 24 months is $425,000, about 33% below the Ang Mo Kio median, from 1 sales. 146 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Ang Mo Kio |
|---|---|
| Completed | 1979 |
| Lease from | 1980 |
| Storeys | 12 |
| Dwelling units | 108 |
| Unit mix (sold) | 3-room ×84 · 4-room ×22 · exec ×2 |
| Recorded resales | 146 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 3-Room | $425,000 | $6,250/m² | 1 |
Median monthly rent at this block: $2,850/mo (6 rental contracts, last 12 months).
Estimated gross rental yield: ~8.0% (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 44% of Ang Mo Kio blocks with recent sales.
For a typical 3-room flat here, our price model estimates $382,397–$427,766 (central estimate $405,081). Recent sales — median $422,401 — 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 | $47,200 | $88,364 | 5 |
| 1991 | $47,000 | $85,063 | 7 |
| 1993 | $86,000 | $148,822 | 3 |
| 1994 | $108,800 | $182,627 | 9 |
| 1995 | $124,000 | $204,611 | 6 |
| 1996 | $197,500 | $321,456 | 8 |
| 1997 | $204,000 | $325,452 | 5 |
| 1998 | $180,000 | $287,947 | 15 |
| 1999 | $162,000 | $259,091 | 7 |
| 2000 | $160,500 | $253,275 | 4 |
| 2001 | $147,000 | $229,645 | 5 |
| 2002 | $170,500 | $267,404 | 4 |
| 2003 | $203,000 | $316,829 | 8 |
| 2004 | $178,000 | $273,242 | 7 |
| 2005 | $163,000 | $249,038 | 3 |
| 2006 | $176,500 | $267,083 | 6 |
| 2007 | $222,500 | $329,734 | 2 |
| 2008 | $249,000 | $346,044 | 2 |
| 2009 | $241,500 | $333,658 | 8 |
| 2010 | $282,500 | $379,567 | 2 |
| 2011 | $408,944 | $522,041 | 2 |
| 2012 | $355,000 | $433,327 | 3 |
| 2013 | $370,544 | $441,856 | 6 |
| 2016 | $310,000 | $369,757 | 5 |
| 2017 | $313,000 | $371,194 | 2 |
| 2018 | $335,944 | $396,664 | 2 |
| 2019 | $280,000 | $328,743 | 1 |
| 2020 | $418,000 | $491,613 | 5 |
| 2021 | $330,000 | $379,330 | 1 |
| 2022 | $390,000 | $422,401 | 1 |
| 2024 | $450,000 | $454,064 | 2 |
| Record sale | $623,000 (Executive, 2020-01) |
|---|---|
| First recorded sale | $47,200 (1990-04) |
| Busiest year | 1998 · 15 sales |
| Total transacted | $31.8M across 146 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2024-12 | 3-Room | 01 TO 03 | 68 | $425,000 |
| 2024-02 | 4-Room | 01 TO 03 | 92 | $475,000 |
| 2022-09 | 3-Room | 10 TO 12 | 68 | $390,000 |
| 2021-11 | 3-Room | 04 TO 06 | 68 | $330,000 |
| 2020-09 | 4-Room | 10 TO 12 | 92 | $418,000 |
| 2020-08 | 3-Room | 10 TO 12 | 82 | $355,000 |
| 2020-06 | 3-Room | 01 TO 03 | 68 | $235,000 |
| 2020-03 | 4-Room | 10 TO 12 | 92 | $420,000 |
| 2020-01 | Executive | 07 TO 09 | 150 | $623,000 |
| 2019-10 | 3-Room | 10 TO 12 | 68 | $280,000 |
| 2018-09 | 4-Room | 01 TO 03 | 92 | $411,888 |
| 2018-08 | 3-Room | 01 TO 03 | 68 | $260,000 |
| 2017-07 | 3-Room | 07 TO 09 | 68 | $310,000 |
| 2017-06 | 3-Room | 04 TO 06 | 68 | $316,000 |
| 2016-10 | 3-Room | 04 TO 06 | 68 | $308,000 |
| 2016-10 | 3-Room | 10 TO 12 | 68 | $312,000 |
| 2016-08 | 3-Room | 07 TO 09 | 68 | $310,000 |
| 2016-07 | 4-Room | 07 TO 09 | 92 | $440,000 |
| 2016-06 | 3-Room | 04 TO 06 | 68 | $295,000 |
| 2013-10 | 4-Room | 10 TO 12 | 92 | $525,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 620 | $697,500 | $5,764/m² |
| 2. Blk 627 | $620,000 | $5,849/m² |
| 3. Blk 622 | $608,888 | $6,089/m² |
| 4. Blk 625 | $449,500 | $6,118/m² |
| 5. Blk 621 | $442,500 | $6,507/m² |
| 6. Blk 623 | $425,000 | $6,250/m² |
The median resale price over the last 24 months is $425,000 (1 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 $382,397–$427,766 (central estimate $405,081). Recent sales — median $422,401 — sit within that range.
The median monthly rent is $2,850/mo over the last 12 months (6 contracts).
The block was completed in 1979 and its 99-year lease runs from 1980.