Blk 421 Ang Mo Kio Avenue 10 — HDB resale prices
HDB resale prices, Ang Mo Kio · 3-Room · built 1978
median resale price, last 24 months
6 sales in that window · as of Sep 2026
How it compares
Blk 421 Ang Mo Kio Avenue 10 is an HDB block in Ang Mo Kio (completed in 1978, 13 storeys, 134 units). As of Sep 2026, its median resale price over the last 24 months is $451,000, about 12% below the Ang Mo Kio median, from 6 sales. 205 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 3-room ×111 · 4-room ×22 · exec ×1
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $2,700/mo (3 rental contracts, last 12 months).
Estimated gross rental yield: ~7.2% (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 61% of Ang Mo Kio blocks with recent sales.
What the price model says
For a typical 3-room flat here, our price model estimates $455,371–$509,092 (central estimate $482,231). Recent sales — median $445,000 — sit below 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 | $47,000 | $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 | $452,000 | $452,000 | 3 |
Records
| Record sale | $843,000 (Executive, 2015-06) |
|---|---|
| First recorded sale | $43,000 (1990-03) |
| Busiest year | 1998 · 17 sales |
| 10-year change (real) | +6% (+0.6%/yr, 2016→2026) |
| Total transacted | $45.9M across 205 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-09 | 3-Room | 07–09 | 74 m² | $440,000 |
| 2026-08 | 3-Room | 07–09 | 74 m² | $452,000 |
| 2026-02 | 3-Room | 13–15 | 74 m² | $458,000 |
| 2025-07 | 3-Room | 07–09 | 74 m² | $445,000 |
| 2025-06 | 3-Room | 04–06 | 74 m² | $450,000 |
| 2024-11 | 3-Room | 10–12 | 74 m² | $475,000 |
| 2024-10 | 3-Room | 07–09 | 74 m² | $430,000 |
| 2024-06 | 4-Room | 04–06 | 99 m² | $490,000 |
| 2023-11 | 3-Room | 10–12 | 74 m² | $375,000 |
| 2023-02 | 3-Room | 10–12 | 74 m² | $440,000 |
| 2023-02 | 3-Room | 10–12 | 74 m² | $420,000 |
| 2021-11 | 3-Room | 10–12 | 74 m² | $352,000 |
| 2021-08 | 3-Room | 10–12 | 74 m² | $335,000 |
| 2021-08 | 3-Room | 04–06 | 74 m² | $330,000 |
| 2021-06 | 4-Room | 07–09 | 99 m² | $428,000 |
| 2021-06 | 3-Room | 07–09 | 74 m² | $353,888 |
| 2021-02 | 3-Room | 04–06 | 89 m² | $350,000 |
| 2020-11 | 4-Room | 13–15 | 99 m² | $375,000 |
| 2020-11 | 3-Room | 01–03 | 74 m² | $325,000 |
| 2020-08 | 4-Room | 04–06 | 99 m² | $390,000 |
Ang Mo Kio Avenue 10 blocks ranked by price
Showing the top 15 of 75 priced blocks.
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Quick answers
How much does a flat at Blk 421 Ang Mo Kio Avenue 10 cost?
The median resale price over the last 24 months is $451,000 (6 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 421 Ang Mo Kio Avenue 10 fairly priced?
For a typical 3-room flat here, our price model estimates $455,371–$509,092 (central estimate $482,231). Recent sales — median $445,000 — sit below that range.
What is the rent at Blk 421 Ang Mo Kio Avenue 10?
The median monthly rent is $2,700/mo over the last 12 months (3 contracts).
How old is Blk 421 Ang Mo Kio Avenue 10?
The block was completed in 1978 and its 99-year lease runs from 1979.