Blk 309A Ang Mo Kio St 31
Completed 2005 · 28 storeys · 184 flats · 79 years remaining · 48 resale transactions on record · median household income in Ang Mo Kio: $7,500/mo (lowest quartile island-wide)
28 storeys · completed 2005
What the record shows
A 4-room here sold for $813,000 in May 2026. The same flat type in this block averaged $583,868 in 2020 - a gain of $229,132 - about $105 a day while the owner slept.
This block crosses 60 years remaining in 2045 - the line where CPF usage rules begin tightening 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 |
|---|---|---|---|---|---|
| 4-ROOM | $3,300/mo | $2,900–$3,600 | $3,400/mo | - | 3 |
| 5-ROOM | $3,500/mo | $3,500–$3,800 | $3,800/mo | - | 5 |
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 · 26 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 |
|---|---|---|---|---|---|---|
| May 2026 | 4 ROOM | 04 to 06 | 95 | $813,000 | $795 | 79y |
| May 2026 | 4 ROOM | 04 to 06 | 95 | $840,000 | $821 | 79y |
| Apr 2026 | 5 ROOM | 07 to 09 | 110 | $1,040,000 | $878 | 79y 01m |
| Jan 2026 | 5 ROOM | 01 to 03 | 110 | $920,000 | $777 | 79y 04m |
| Dec 2025 | 5 ROOM | 13 to 15 | 110 | $1,100,000 | $929 | 79y 05m |
| Aug 2025 | 4 ROOM | 07 to 09 | 95 | $850,000 | $831 | 79y 08m |
| Aug 2025 | 5 ROOM | 25 to 27 | 110 | $1,265,000 | $1,068 | 79y 08m |
| Apr 2025 | 4 ROOM | 13 to 15 | 95 | $840,000 | $821 | 80y 01m |
| Apr 2025 | 5 ROOM | 04 to 06 | 110 | $950,000 | $802 | 80y 01m |
| Mar 2025 | 5 ROOM | 25 to 27 | 110 | $1,150,000 | $971 | 80y 03m |
| Aug 2024 | 5 ROOM | 28 to 30 | 110 | $1,188,008 | $1,003 | 80y 09m |
| Oct 2023 | 4 ROOM | 07 to 09 | 90 | $718,000 | $741 | 81y 06m |
| Sept 2023 | 5 ROOM | 16 to 18 | 110 | $888,000 | $750 | 81y 07m |
| Jun 2023 | 4 ROOM | 10 to 12 | 95 | $750,000 | $733 | 81y 11m |
| May 2023 | 4 ROOM | 13 to 15 | 90 | $730,000 | $754 | 82y |
| May 2023 | 5 ROOM | 22 to 24 | 110 | $855,000 | $722 | 81y 11m |
| May 2023 | 4 ROOM | 07 to 09 | 90 | $678,888 | $701 | 82y |
| Feb 2023 | 5 ROOM | 01 to 03 | 110 | $780,000 | $659 | 82y 03m |
| Dec 2022 | 4 ROOM | 01 to 03 | 90 | $578,888 | $598 | 82y 05m |
| Sept 2022 | 4 ROOM | 13 to 15 | 90 | $688,000 | $710 | 82y 08m |
| Jul 2022 | 4 ROOM | 10 to 12 | 95 | $670,000 | $655 | 82y 10m |
| Apr 2022 | 4 ROOM | 01 to 03 | 95 | $600,000 | $587 | 83y |
| Jan 2022 | 4 ROOM | 16 to 18 | 90 | $625,000 | $645 | 83y 04m |
| Nov 2021 | 4 ROOM | 04 to 06 | 90 | $622,888 | $643 | 83y 06m |
| Aug 2021 | 4 ROOM | 13 to 15 | 90 | $620,000 | $640 | 83y 09m |
| Jul 2021 | 5 ROOM | 25 to 27 | 110 | $885,000 | $747 | 83y 09m |
| Jun 2021 | 4 ROOM | 04 to 06 | 90 | $560,000 | $578 | 83y 10m |
| May 2021 | 5 ROOM | 19 to 21 | 110 | $870,000 | $735 | 84y |
| Mar 2021 | 5 ROOM | 25 to 27 | 110 | $850,000 | $718 | 84y 01m |
| Jan 2021 | 4 ROOM | 04 to 06 | 90 | $505,055 | $521 | 84y 04m |
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.
4-room median $119k above this block · 6 vs 4 sales
built 2010 · same generation
5-room median $350k below this block · 7 vs 7 sales
4-room median $60k above this block · 3 vs 4 sales
4-room median $48k above this block · 3 vs 4 sales
built 2010 · same generation
Condos nearby
The private premium, measured: the nearest condo trades at 2.1×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.