Blk 646 Yishun St 61
Completed 1986 · 12 storeys · 132 flats · 60 years 01 month remaining · 31 resale transactions on record · median household income in Yishun: $7,500/mo (lowest quartile island-wide)
12 storeys · completed 1986
What the record shows
A 4-room here sold for $477,000 in Jul 2026. The same flat type in this block averaged $364,200 in 2020 - a gain of $112,800 - about $52 a day while the owner slept.
In this block, 4-room flats from floor 8 up have sold for a median of $477,000 - $12,000 more than floors 4 and below, same flat type, same block.
This block crossed 60 years remaining in 2026 - the line where CPF usage rules tighten for buyers. In Yishun over the last two years, flats below that line sold at a median 7% below their younger neighbours' PSF (1,008 sales).
Across Yishun, roughly 4,444 flats in newly-completed blocks reach the end of MOP between 2026 and 2028 - new sellers entering this market.
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 | Yishun median | Gross yield | Rented |
|---|---|---|---|---|---|
| 4-ROOM | $3,300/mo | $3,000–$3,600 | $3,100/mo | - | 7 |
Price trend
median PSF by year · ━ this block · ╌ Yishun · gaps = years with no sales here
The height gradient
every sale in 5 years, plotted by starting floor · 14 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 |
|---|---|---|---|---|---|---|
| Jul 2026 | 4 ROOM | 10 to 12 | 84 | $477,000 | $528 | 60y 01m |
| Feb 2025 | 4 ROOM | 01 to 03 | 84 | $500,000 | $553 | 61y 07m |
| Dec 2024 | 4 ROOM | 04 to 06 | 104 | $560,000 | $500 | 61y 09m |
| Jan 2024 | 4 ROOM | 04 to 06 | 84 | $446,000 | $493 | 62y 08m |
| Dec 2023 | 4 ROOM | 01 to 03 | 104 | $480,000 | $429 | 62y 09m |
| Aug 2023 | 4 ROOM | 10 to 12 | 104 | $510,000 | $456 | 63y 02m |
| Jul 2023 | 4 ROOM | 10 to 12 | 84 | $438,000 | $484 | 63y 02m |
| Jun 2023 | 4 ROOM | 04 to 06 | 84 | $415,000 | $459 | 63y 03m |
| May 2023 | 4 ROOM | 01 to 03 | 84 | $405,000 | $448 | 63y 04m |
| Mar 2023 | 4 ROOM | 10 to 12 | 84 | $436,888 | $483 | 63y 06m |
| Dec 2022 | 4 ROOM | 01 to 03 | 104 | $450,000 | $402 | 63y 09m |
| Dec 2022 | 4 ROOM | 07 to 09 | 104 | $490,000 | $438 | 63y 09m |
| Oct 2022 | 4 ROOM | 10 to 12 | 104 | $515,000 | $460 | 63y 11m |
| Jan 2022 | 4 ROOM | 04 to 06 | 104 | $490,000 | $438 | 64y 07m |
| May 2021 | 4 ROOM | 04 to 06 | 84 | $340,000 | $376 | 65y 03m |
| Nov 2020 | 4 ROOM | 07 to 09 | 84 | $330,000 | $365 | 65y 10m |
| Oct 2020 | 4 ROOM | 07 to 09 | 104 | $356,000 | $318 | 65y 10m |
| Aug 2020 | 4 ROOM | 04 to 06 | 84 | $305,000 | $337 | 66y 01m |
| Jan 2020 | 4 ROOM | 04 to 06 | 84 | $335,000 | $371 | 66y 08m |
| Nov 2019 | 4 ROOM | 04 to 06 | 84 | $285,000 | $315 | 66y 09m |
| Oct 2019 | 4 ROOM | 07 to 09 | 104 | $360,000 | $322 | 66y 10m |
| Aug 2019 | 4 ROOM | 10 to 12 | 104 | $372,000 | $332 | 67y |
| Jan 2019 | 4 ROOM | 01 to 03 | 104 | $320,000 | $286 | 67y 07m |
| Nov 2018 | 4 ROOM | 04 to 06 | 104 | $363,000 | $324 | 67y 09m |
| Jul 2017 | 4 ROOM | 10 to 12 | 104 | $390,000 | $348 | 69y 02m |
| Jun 2017 | 4 ROOM | 10 to 12 | 84 | $338,000 | $374 | 69y 02m |
| Apr 2017 | 4 ROOM | 04 to 06 | 84 | $312,000 | $345 | 69y 06m |
| Mar 2017 | 4 ROOM | 01 to 03 | 84 | $287,000 | $317 | 69y 05m |
| Feb 2017 | 4 ROOM | 07 to 09 | 84 | $328,888 | $364 | 69y 06m |
| Feb 2017 | 4 ROOM | 10 to 12 | 104 | $395,000 | $353 | 69y 06m |
Who lives in Yishun
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.
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.
built 1986 · same generation
4-room median $5k below this block · 4 vs 3 sales
built 1987 · same generation
built 1986 · same generation
built 1986 · same generation
4-room median $19k below this block · 6 vs 3 sales
Condos nearby
The private premium, measured: the nearest condo trades at 2.7×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.