Blk 623 Ang Mo Kio Avenue 9 — HDB resale prices
HDB resale prices, Ang Mo Kio · 3-Room · built 1979
median resale price, last 24 months
2 sales in that window · as of Sep 2026
How it compares
Blk 623 Ang Mo Kio Avenue 9 is an HDB block in Ang Mo Kio (completed in 1979, 12 storeys, 108 units). As of Sep 2026, its median resale price over the last 24 months is $463,944, about 9% below the Ang Mo Kio median, from 2 sales. 147 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 3-room ×84 · 4-room ×22 · exec ×2
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $2,900/mo (6 rental contracts, last 12 months).
Estimated gross rental yield: ~7.5% (Ang Mo Kio average: ~6.8%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 51% of Ang Mo Kio blocks with recent sales.
What the price model says
For a typical 3-room flat here, our price model estimates $384,158–$429,478 (central estimate $406,818). Recent sales — median $425,620 — sit within that range. The model explains 94% of resale prices with a typical error of ±6%. Indicative only — not an official valuation.
Median resale price by year
| 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 |
| 2026 | $502,888 | $502,888 | 1 |
Records
| Record sale | $623,000 (Executive, 2020-01) |
|---|---|
| First recorded sale | $47,200 (1990-04) |
| Busiest year | 1998 · 15 sales |
| 10-year change (real) | +36% (+3.1%/yr, 2016→2026) |
| Total transacted | $32.3M across 147 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-08 | 3-Room | 07–09 | 82 m² | $502,888 |
| 2024-12 | 3-Room | 01–03 | 68 m² | $425,000 |
| 2024-02 | 4-Room | 01–03 | 92 m² | $475,000 |
| 2022-09 | 3-Room | 10–12 | 68 m² | $390,000 |
| 2021-11 | 3-Room | 04–06 | 68 m² | $330,000 |
| 2020-09 | 4-Room | 10–12 | 92 m² | $418,000 |
| 2020-08 | 3-Room | 10–12 | 82 m² | $355,000 |
| 2020-06 | 3-Room | 01–03 | 68 m² | $235,000 |
| 2020-03 | 4-Room | 10–12 | 92 m² | $420,000 |
| 2020-01 | Executive | 07–09 | 150 m² | $623,000 |
| 2019-10 | 3-Room | 10–12 | 68 m² | $280,000 |
| 2018-09 | 4-Room | 01–03 | 92 m² | $411,888 |
| 2018-08 | 3-Room | 01–03 | 68 m² | $260,000 |
| 2017-07 | 3-Room | 07–09 | 68 m² | $310,000 |
| 2017-06 | 3-Room | 04–06 | 68 m² | $316,000 |
| 2016-10 | 3-Room | 10–12 | 68 m² | $312,000 |
| 2016-10 | 3-Room | 04–06 | 68 m² | $308,000 |
| 2016-08 | 3-Room | 07–09 | 68 m² | $310,000 |
| 2016-07 | 4-Room | 07–09 | 92 m² | $440,000 |
| 2016-06 | 3-Room | 04–06 | 68 m² | $295,000 |
Ang Mo Kio Avenue 9 blocks ranked by price
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Quick answers
How much does a flat at Blk 623 Ang Mo Kio Avenue 9 cost?
The median resale price over the last 24 months is $463,944 (2 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 623 Ang Mo Kio Avenue 9 fairly priced?
For a typical 3-room flat here, our price model estimates $384,158–$429,478 (central estimate $406,818). Recent sales — median $425,620 — sit within that range.
What is the rent at Blk 623 Ang Mo Kio Avenue 9?
The median monthly rent is $2,900/mo over the last 12 months (6 contracts).
How old is Blk 623 Ang Mo Kio Avenue 9?
The block was completed in 1979 and its 99-year lease runs from 1980.