Blk 171 Ang Mo Kio Ave 4 is an HDB block in Ang Mo Kio (completed in 1981, 16 storeys, 96 units). As of Jul 2026, its median resale price over the last 24 months is $745,000, about 18% above the Ang Mo Kio median, from 5 sales. 109 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Ang Mo Kio |
|---|---|
| Completed | 1981 |
| Lease from | 1982 |
| Storeys | 16 |
| Dwelling units | 96 |
| Unit mix (sold) | 4-room ×14 · 5-room ×82 |
| Recorded resales | 109 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $635,000 | $6,480/m² | 1 |
| 5-Room | $767,500 | $6,043/m² | 4 |
Median monthly rent at this block: $3,575/mo (4 rental contracts, last 12 months).
Estimated gross rental yield: ~5.8% (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 5-room flat here, our price model estimates $732,057–$818,911 (central estimate $775,484). Recent sales — median $755,977 — 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 | $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 | $742,500 | $742,500 | 2 |
| Record sale | $850,000 (5-Room, 2026-05) |
|---|---|
| First recorded sale | $145,000 (1990-02) |
| Busiest year | 1996 · 12 sales |
| 10-year change (real) | -6% (-0.6%/yr, 2016→2026) |
| Total transacted | $45.8M across 109 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-05 | 5-Room | 13 TO 15 | 129 | $850,000 |
| 2026-03 | 4-Room | 10 TO 12 | 98 | $635,000 |
| 2025-12 | 5-Room | 07 TO 09 | 127 | $790,000 |
| 2025-08 | 5-Room | 04 TO 06 | 127 | $738,000 |
| 2025-07 | 5-Room | 01 TO 03 | 127 | $745,000 |
| 2024-07 | 5-Room | 01 TO 03 | 127 | $708,000 |
| 2022-08 | 5-Room | 01 TO 03 | 131 | $697,988 |
| 2022-06 | 5-Room | 07 TO 09 | 127 | $710,000 |
| 2022-02 | 4-Room | 13 TO 15 | 98 | $514,000 |
| 2021-07 | 5-Room | 01 TO 03 | 127 | $620,000 |
| 2021-07 | 5-Room | 10 TO 12 | 127 | $678,888 |
| 2021-06 | 4-Room | 04 TO 06 | 98 | $461,000 |
| 2020-10 | 4-Room | 10 TO 12 | 98 | $438,000 |
| 2020-02 | 5-Room | 04 TO 06 | 127 | $590,000 |
| 2019-12 | 5-Room | 01 TO 03 | 127 | $500,000 |
| 2019-07 | 4-Room | 10 TO 12 | 98 | $445,000 |
| 2019-02 | 4-Room | 10 TO 12 | 98 | $450,000 |
| 2018-06 | 5-Room | 07 TO 09 | 127 | $668,000 |
| 2017-06 | 5-Room | 07 TO 09 | 127 | $660,000 |
| 2016-06 | 5-Room | 07 TO 09 | 127 | $665,000 |
| 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 $745,000 (5 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical 5-room flat here, our price model estimates $732,057–$818,911 (central estimate $775,484). Recent sales — median $755,977 — sit within that range.
The median monthly rent is $3,575/mo over the last 12 months (4 contracts).
The block was completed in 1981 and its 99-year lease runs from 1982.