Blk 331 Serangoon Ave 3
Completed 1985 · 12 storeys · 88 flats · 59 years remaining · 22 resale transactions on record · median household income in Serangoon: $11,500/mo
12 storeys · completed 1985 · shops below
What the record shows
A 4-room here sold for $680,000 in Jul 2026. The same flat type in this block averaged $558,750 in 2020 - a gain of $121,250 - about $55 a day while the owner slept.
This block crossed 60 years remaining in 2025 - the line where CPF usage rules tighten for buyers. In Serangoon over the last two years, flats below that line sold at a median 1% above their younger neighbours' PSF (481 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 | Serangoon median | Gross yield | Rented |
|---|---|---|---|---|---|
| 4-ROOM | $3,550/mo | $3,550–$3,550 | $3,400/mo | - | 1 |
Price trend
median PSF by year · ━ this block · ╌ Serangoon · 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 22
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| Jul 2026 | 4 ROOM | 04 to 06 | 84 | $680,000 | $752 | 59y |
| Jun 2026 | 5 ROOM | 04 to 06 | 121 | $1,020,000 | $783 | 59y |
| Jul 2025 | 5 ROOM | 01 to 03 | 121 | $800,000 | $614 | 59y 11m |
| Jul 2025 | 5 ROOM | 07 to 09 | 122 | $950,000 | $723 | 59y 11m |
| Sept 2024 | 5 ROOM | 04 to 06 | 121 | $884,000 | $679 | 60y 10m |
| Jun 2024 | 5 ROOM | 01 to 03 | 122 | $847,000 | $645 | 61y 01m |
| Jul 2023 | 5 ROOM | 01 to 03 | 122 | $820,000 | $624 | 61y 11m |
| Mar 2023 | 4 ROOM | 07 to 09 | 84 | $595,000 | $658 | 62y 03m |
| Nov 2022 | 4 ROOM | 07 to 09 | 84 | $510,000 | $564 | 62y 08m |
| Jul 2022 | 4 ROOM | 04 to 06 | 84 | $610,000 | $675 | 63y 01m |
| Apr 2022 | 4 ROOM | 10 to 12 | 84 | $590,000 | $653 | 63y 02m |
| Apr 2021 | 4 ROOM | 07 to 09 | 84 | $575,000 | $636 | 64y 02m |
| Oct 2020 | 4 ROOM | 07 to 09 | 84 | $530,000 | $586 | 64y 08m |
| Aug 2020 | 5 ROOM | 04 to 06 | 121 | $670,000 | $514 | 64y 10m |
| Aug 2020 | 4 ROOM | 04 to 06 | 84 | $540,000 | $597 | 64y 10m |
| Dec 2019 | 5 ROOM | 10 to 12 | 122 | $688,000 | $524 | 65y 06m |
| Jun 2019 | 5 ROOM | 10 to 12 | 121 | $700,000 | $537 | 66y |
| Apr 2019 | 4 ROOM | 01 to 03 | 84 | $475,000 | $525 | 66y 02m |
| Mar 2019 | 5 ROOM | 10 to 12 | 122 | $660,000 | $503 | 66y 04m |
| Aug 2018 | 4 ROOM | 10 to 12 | 84 | $525,000 | $581 | 66y 10m |
| Jun 2017 | 4 ROOM | 10 to 12 | 84 | $525,000 | $581 | 68y |
| Mar 2017 | 5 ROOM | 01 to 03 | 121 | $660,000 | $507 | 68y 03m |
Who lives in Serangoon
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 2.3×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.