Blk 171 Ang Mo Kio Ave 4
Completed 1981 · 16 storeys · 96 flats · 54 years 10 months remaining · 19 resale transactions on record · median household income in Ang Mo Kio: $7,500/mo (lowest quartile island-wide)
16 storeys · completed 1981
What the record shows
A 5-room here sold for $850,000 in May 2026. The same flat type in this block averaged $669,629 in 2021 - a gain of $180,371 - about $99 a day while the owner slept.
In this block, 5-room flats from floor 11 up have sold for a median of $850,000 - $142,000 more than floors 5 and below, same flat type, same block.
This block crossed 60 years remaining in 2021 - the line where CPF usage rules tighten for buyers. In Ang Mo Kio over the last two years, flats below that line sold at a median 39% below their younger neighbours' PSF (1,549 sales).
Rent check
What flats in this block actually rented for in the last 12 months - official approvals, not listings. If you’re quoted much more, you have a number to negotiate with.
| Type | Block median | Range | Ang Mo Kio median | Gross yield | Rented |
|---|---|---|---|---|---|
| 5-ROOM | $3,575/mo | $3,000–$4,100 | $3,800/mo | - | 4 |
Price trend
median PSF by year · ━ this block · ╌ Ang Mo Kio · gaps = years with no sales here
The height gradient
every sale in 5 years, plotted by starting floor · 11 sales - do higher floors really fetch more here?
Every recent sale HDB official record, latest 19
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| May 2026 | 5 ROOM | 13 to 15 | 129 | $850,000 | $612 | 54y 10m |
| Mar 2026 | 4 ROOM | 10 to 12 | 98 | $635,000 | $602 | 54y 10m |
| Dec 2025 | 5 ROOM | 07 to 09 | 127 | $790,000 | $578 | 55y 01m |
| Aug 2025 | 5 ROOM | 04 to 06 | 127 | $738,000 | $540 | 55y 05m |
| Jul 2025 | 5 ROOM | 01 to 03 | 127 | $745,000 | $545 | 55y 06m |
| Jul 2024 | 5 ROOM | 01 to 03 | 127 | $708,000 | $518 | 56y 07m |
| Aug 2022 | 5 ROOM | 01 to 03 | 131 | $697,988 | $495 | 58y 06m |
| Jun 2022 | 5 ROOM | 07 to 09 | 127 | $710,000 | $519 | 58y 08m |
| Feb 2022 | 4 ROOM | 13 to 15 | 98 | $514,000 | $487 | 58y 11m |
| Jul 2021 | 5 ROOM | 10 to 12 | 127 | $678,888 | $497 | 59y 07m |
| Jul 2021 | 5 ROOM | 01 to 03 | 127 | $620,000 | $454 | 59y 07m |
| Jun 2021 | 4 ROOM | 04 to 06 | 98 | $461,000 | $437 | 59y 08m |
| Oct 2020 | 4 ROOM | 10 to 12 | 98 | $438,000 | $415 | 60y 04m |
| Feb 2020 | 5 ROOM | 04 to 06 | 127 | $590,000 | $432 | 60y 11m |
| Dec 2019 | 5 ROOM | 01 to 03 | 127 | $500,000 | $366 | 61y 01m |
| Jul 2019 | 4 ROOM | 10 to 12 | 98 | $445,000 | $422 | 61y 06m |
| Feb 2019 | 4 ROOM | 10 to 12 | 98 | $450,000 | $427 | 61y 11m |
| Jun 2018 | 5 ROOM | 07 to 09 | 127 | $668,000 | $489 | 62y 08m |
| Jun 2017 | 5 ROOM | 07 to 09 | 127 | $660,000 | $483 | 63y 07m |
Who lives in Ang Mo Kio
Census of Population 2020 · planning-area aggregates · SingStat via data.gov.sg
The neighbourhood
What sits around this address - distances computed from official OneMap and LTA records.
The neighbourhood, photographed
freely-licensed photographs taken within ~450 m · Wikimedia Commons
Around this block
The nearest blocks by actual distance - street names are postal artifacts, so true neighbours often sit on a different road. Price gaps are median-vs-median on the flat type both blocks actually trade.
Condos nearby
The private premium, measured: the nearest condo trades at 3.7×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.