Blk 639 Yishun St 61
Completed 1986 · 12 storeys · 110 flats · 60 years 09 months remaining · 23 resale transactions on record · median household income in Yishun: $7,500/mo (lowest quartile island-wide)
12 storeys · completed 1986
What the record shows
In this block, 4-room flats from floor 8 up have sold for a median of $410,000 - $70,000 less 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 | $3,200/mo | $2,500–$3,200 | $3,100/mo | - | 3 |
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 23
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| Dec 2025 | 4 ROOM | 01 to 03 | 84 | $470,000 | $520 | 60y 09m |
| Aug 2025 | 4 ROOM | 01 to 03 | 84 | $490,000 | $542 | 61y |
| Jun 2025 | 4 ROOM | 07 to 09 | 84 | $500,000 | $553 | 61y 02m |
| Dec 2024 | 4 ROOM | 07 to 09 | 84 | $483,000 | $534 | 61y 10m |
| Jun 2024 | 4 ROOM | 01 to 03 | 104 | $520,000 | $465 | 62y 03m |
| Apr 2024 | 4 ROOM | 07 to 09 | 104 | $533,000 | $476 | 62y 05m |
| Nov 2023 | 4 ROOM | 10 to 12 | 104 | $525,000 | $469 | 62y 10m |
| Oct 2023 | 4 ROOM | 10 to 12 | 84 | $410,000 | $453 | 62y 11m |
| May 2023 | 4 ROOM | 07 to 09 | 104 | $533,000 | $476 | 63y 04m |
| Feb 2023 | 4 ROOM | 07 to 09 | 84 | $450,000 | $498 | 63y 07m |
| Jan 2023 | 4 ROOM | 07 to 09 | 84 | $432,500 | $478 | 63y 07m |
| Oct 2022 | 4 ROOM | 04 to 06 | 84 | $420,000 | $465 | 64y |
| Aug 2022 | 4 ROOM | 01 to 03 | 104 | $480,000 | $429 | 64y 01m |
| Nov 2021 | 4 ROOM | 10 to 12 | 84 | $380,000 | $420 | 64y 09m |
| Jul 2020 | 4 ROOM | 07 to 09 | 84 | $288,000 | $319 | 66y 01m |
| Nov 2019 | 4 ROOM | 04 to 06 | 84 | $304,000 | $336 | 66y 09m |
| Oct 2019 | 4 ROOM | 10 to 12 | 84 | $290,000 | $321 | 66y 11m |
| Aug 2019 | 4 ROOM | 07 to 09 | 84 | $285,000 | $315 | 67y 01m |
| Jul 2019 | 4 ROOM | 01 to 03 | 84 | $268,000 | $296 | 67y 01m |
| Nov 2018 | 4 ROOM | 07 to 09 | 104 | $325,000 | $290 | 67y 10m |
| Jul 2017 | 4 ROOM | 04 to 06 | 104 | $360,000 | $322 | 69y 01m |
| Jun 2017 | 4 ROOM | 07 to 09 | 84 | $320,000 | $354 | 69y 03m |
| Jun 2017 | 4 ROOM | 04 to 06 | 84 | $300,000 | $332 | 69y 03m |
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.
Condos nearby
The private premium, measured: the nearest condo trades at 2.6×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.