Blk 644 Ang Mo Kio Ave 4
Completed 1980 · 11 storeys · 158 flats · 53 years 06 months remaining · 33 resale transactions on record · adjoined flats on the record · median household income in Ang Mo Kio: $7,500/mo (lowest quartile island-wide)
11 storeys · completed 1980
What the record shows
A 3-room here sold for $445,000 in Jun 2026. The same flat type in this block averaged $363,714 in 2020 — a gain of $81,286 — about $37 a day while the owner slept.
In this block, 3-room flats from floor 8 up have sold for a median of $401,500 — $32,500 less than floors 3 and below, same flat type, same block.
This block crossed 60 years remaining in 2019 — 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 (1,538 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 |
|---|---|---|---|---|---|
| 3-ROOM | $3,000/mo | $2,800–$3,100 | $2,800/mo | — | 3 |
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 · 18 sales — do higher floors really fetch more here?
Every recent sale HDB official record, latest 30
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| Jun 2026 | 3 ROOM | 04 to 06 | 75 | $445,000 | $551 | 53y 06m |
| Nov 2025 | 3 ROOM | 07 to 09 | 89 | $525,000 | $548 | 54y 01m |
| Nov 2025 | 3 ROOM | 04 to 06 | 75 | $440,000 | $545 | 54y 01m |
| Oct 2025 | 3 ROOM | 07 to 09 | 75 | $458,000 | $567 | 54y 02m |
| Apr 2025 | 4 ROOM | 07 to 09 | 100 | $568,000 | $528 | 54y 09m |
| Feb 2025 | 3 ROOM | 10 to 12 | 75 | $450,000 | $557 | 54y 10m |
| Oct 2024 | 3 ROOM | 04 to 06 | 75 | $430,000 | $533 | 55y 02m |
| Oct 2024 | 3 ROOM | 01 to 03 | 89 | $480,000 | $501 | 55y 02m |
| Aug 2024 | 3 ROOM | 07 to 09 | 75 | $465,000 | $576 | 55y 04m |
| Dec 2023 | 3 ROOM | 10 to 12 | 75 | $430,000 | $533 | 56y |
| Oct 2023 | 3 ROOM | 04 to 06 | 75 | $380,000 | $471 | 56y 03m |
| Oct 2023 | 3 ROOM | 01 to 03 | 75 | $388,000 | $481 | 56y 01m |
| May 2023 | 4 ROOM | 01 to 03 | 100 | $445,000 | $413 | 56y 06m |
| Apr 2023 | 4 ROOM | 10 to 12 | 100 | $530,000 | $492 | 56y 07m |
| Dec 2021 | 3 ROOM | 10 to 12 | 75 | $373,000 | $462 | 58y |
| Nov 2021 | 3 ROOM | 04 to 06 | 75 | $340,000 | $421 | 58y |
| Nov 2021 | 3 ROOM | 04 to 06 | 89 | $395,000 | $412 | 58y 01m |
| Sept 2021 | 3 ROOM | 10 to 12 | 75 | $368,000 | $456 | 58y 03m |
| Jun 2021 | 3 ROOM | 07 to 09 | 75 | $340,000 | $421 | 58y 06m |
| Nov 2020 | 3 ROOM | 01 to 03 | 89 | $345,000 | $360 | 59y 01m |
| Oct 2020 | 4 ROOM | 01 to 03 | 100 | $400,000 | $372 | 59y 01m |
| Jul 2020 | 3 ROOM | 07 to 09 | 89 | $385,000 | $402 | 59y 04m |
| Jan 2020 | 3 ROOM | 07 to 09 | 75 | $308,000 | $382 | 59y 10m |
| Dec 2019 | 3 ROOM | 04 to 06 | 75 | $306,000 | $379 | 59y 11m |
| Oct 2019 | 3 ROOM | 10 to 12 | 75 | $303,000 | $375 | 60y 01m |
| Sept 2018 | 3 ROOM | 01 to 03 | 75 | $320,000 | $396 | 61y 02m |
| Jul 2018 | 3 ROOM | 04 to 06 | 75 | $323,000 | $400 | 61y 05m |
| Jul 2018 | 5 ROOM | 01 to 03 | 150 | $688,888 | $427 | 61y 05m |
| Jun 2018 | 3 ROOM | 04 to 06 | 75 | $330,000 | $409 | 61y 06m |
| Jan 2018 | 3 ROOM | 04 to 06 | 75 | $320,000 | $396 | 61y 10m |
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.
Condos nearby
The private premium, measured: the nearest condo trades at 3.7×this block’s PSF.
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