Blk 171 Ang Mo Kio Avenue 4 — HDB resale prices
HDB resale prices, Ang Mo Kio · 4-Room, 5-Room · built 1981
median resale price, last 24 months
6 sales in that window · as of Sep 2026
How it compares
Blk 171 Ang Mo Kio Avenue 4 is an HDB block in Ang Mo Kio (completed in 1981, 16 storeys, 96 units). As of Sep 2026, its median resale price over the last 24 months is $741,500, about 45% above the Ang Mo Kio median, from 6 sales. 110 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 4-room ×14 · 5-room ×82
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $3,150/mo (5 rental contracts, last 12 months).
Estimated gross rental yield: ~5.1% (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 65% of Ang Mo Kio blocks with recent sales.
What the price model says
For a typical 5-room flat here, our price model estimates $715,444–$799,845 (central estimate $757,644). Recent sales — median $750,488 — 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 | $130,000 | $243,374 | 3 |
| 1991 | $148,500 | $268,763 | 4 |
| 1992 | $149,000 | $263,750 | 2 |
| 1993 | $280,000 | $484,537 | 1 |
| 1994 | $270,000 | $453,210 | 3 |
| 1995 | $336,000 | $554,430 | 6 |
| 1996 | $489,000 | $795,909 | 12 |
| 1997 | $453,000 | $722,696 | 7 |
| 1998 | $377,500 | $603,889 | 10 |
| 1999 | $313,500 | $501,388 | 2 |
| 2000 | $390,000 | $615,435 | 8 |
| 2001 | $383,500 | $599,107 | 2 |
| 2002 | $390,000 | $611,657 | 1 |
| 2003 | $372,000 | $580,593 | 1 |
| 2004 | $316,000 | $485,081 | 1 |
| 2005 | $299,500 | $457,587 | 6 |
| 2007 | $329,250 | $487,932 | 4 |
| 2008 | $425,000 | $590,637 | 4 |
| 2010 | $458,000 | $615,369 | 6 |
| 2012 | $440,000 | $537,082 | 1 |
| 2013 | $650,000 | $775,095 | 3 |
| 2014 | $630,000 | $743,557 | 1 |
| 2016 | $660,000 | $787,224 | 2 |
| 2017 | $660,000 | $782,709 | 1 |
| 2018 | $668,000 | $788,738 | 1 |
| 2019 | $450,000 | $528,337 | 3 |
| 2020 | $514,000 | $604,519 | 2 |
| 2021 | $620,000 | $712,681 | 3 |
| 2022 | $697,988 | $755,977 | 3 |
| 2024 | $708,000 | $714,393 | 1 |
| 2025 | $745,000 | $745,000 | 3 |
| 2026 | $690,000 | $690,000 | 3 |
Records
| Record sale | $850,000 (5-Room, 2026-05) |
|---|---|
| First recorded sale | $145,000 (1990-02) |
| Busiest year | 1996 · 12 sales |
| 10-year change (real) | -12% (-1.3%/yr, 2016→2026) |
| Total transacted | $46.5M across 110 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-07 | 5-Room | 01–03 | 127 m² | $690,000 |
| 2026-05 | 5-Room | 13–15 | 129 m² | $850,000 |
| 2026-03 | 4-Room | 10–12 | 98 m² | $635,000 |
| 2025-12 | 5-Room | 07–09 | 127 m² | $790,000 |
| 2025-08 | 5-Room | 04–06 | 127 m² | $738,000 |
| 2025-07 | 5-Room | 01–03 | 127 m² | $745,000 |
| 2024-07 | 5-Room | 01–03 | 127 m² | $708,000 |
| 2022-08 | 5-Room | 01–03 | 131 m² | $697,988 |
| 2022-06 | 5-Room | 07–09 | 127 m² | $710,000 |
| 2022-02 | 4-Room | 13–15 | 98 m² | $514,000 |
| 2021-07 | 5-Room | 10–12 | 127 m² | $678,888 |
| 2021-07 | 5-Room | 01–03 | 127 m² | $620,000 |
| 2021-06 | 4-Room | 04–06 | 98 m² | $461,000 |
| 2020-10 | 4-Room | 10–12 | 98 m² | $438,000 |
| 2020-02 | 5-Room | 04–06 | 127 m² | $590,000 |
| 2019-12 | 5-Room | 01–03 | 127 m² | $500,000 |
| 2019-07 | 4-Room | 10–12 | 98 m² | $445,000 |
| 2019-02 | 4-Room | 10–12 | 98 m² | $450,000 |
| 2018-06 | 5-Room | 07–09 | 127 m² | $668,000 |
| 2017-06 | 5-Room | 07–09 | 127 m² | $660,000 |
Ang Mo Kio Avenue 4 blocks ranked by price
Showing the top 15 of 45 priced blocks.
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Quick answers
How much does a flat at Blk 171 Ang Mo Kio Avenue 4 cost?
The median resale price over the last 24 months is $741,500 (6 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 171 Ang Mo Kio Avenue 4 fairly priced?
For a typical 5-room flat here, our price model estimates $715,444–$799,845 (central estimate $757,644). Recent sales — median $750,488 — sit within that range.
What is the rent at Blk 171 Ang Mo Kio Avenue 4?
The median monthly rent is $3,150/mo over the last 12 months (5 contracts).
How old is Blk 171 Ang Mo Kio Avenue 4?
The block was completed in 1981 and its 99-year lease runs from 1982.