Blk 657 Yishun Ave 4
Completed 1986 · 12 storeys · 132 flats · 60 years 06 months 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
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 | $2,800/mo | $2,500–$3,100 | $3,100/mo | - | 2 |
| 5-ROOM | $3,350/mo | $3,200–$3,900 | $3,400/mo | - | 5 |
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 · 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 | 4 ROOM | 10 to 12 | 103 | $510,000 | $460 | 60y 06m |
| Aug 2025 | 5 ROOM | 10 to 12 | 120 | $720,000 | $557 | 61y 03m |
| Oct 2024 | 5 ROOM | 07 to 09 | 121 | $690,000 | $530 | 62y 03m |
| May 2024 | 5 ROOM | 04 to 06 | 121 | $635,000 | $488 | 62y 07m |
| Sept 2023 | 5 ROOM | 01 to 03 | 120 | $562,000 | $435 | 63y 03m |
| Aug 2023 | 5 ROOM | 10 to 12 | 121 | $630,000 | $484 | 63y 03m |
| Jul 2023 | 5 ROOM | 10 to 12 | 121 | $626,000 | $481 | 63y 06m |
| May 2023 | 4 ROOM | 01 to 03 | 83 | $412,000 | $461 | 63y 08m |
| May 2023 | 5 ROOM | 07 to 09 | 121 | $615,000 | $472 | 63y 07m |
| Apr 2023 | 4 ROOM | 01 to 03 | 83 | $400,000 | $448 | 63y 08m |
| Feb 2023 | 5 ROOM | 07 to 09 | 121 | $598,000 | $459 | 63y 10m |
| Dec 2022 | 4 ROOM | 07 to 09 | 83 | $420,000 | $470 | 64y |
| Nov 2022 | 4 ROOM | 07 to 09 | 83 | $430,000 | $481 | 64y 01m |
| Sept 2022 | 4 ROOM | 01 to 03 | 83 | $420,000 | $470 | 64y 03m |
| Aug 2022 | 4 ROOM | 04 to 06 | 103 | $463,000 | $418 | 64y 04m |
| Aug 2022 | 5 ROOM | 07 to 09 | 120 | $560,000 | $434 | 64y 04m |
| Jul 2022 | 4 ROOM | 10 to 12 | 103 | $508,000 | $458 | 64y 05m |
| Sept 2021 | 5 ROOM | 07 to 09 | 121 | $520,000 | $399 | 65y 03m |
| Feb 2021 | 5 ROOM | 07 to 09 | 125 | $530,888 | $395 | 65y 10m |
| Nov 2020 | 5 ROOM | 04 to 06 | 120 | $435,000 | $337 | 66y 01m |
| Nov 2019 | 5 ROOM | 01 to 03 | 120 | $395,000 | $306 | 67y |
| Feb 2019 | 4 ROOM | 10 to 12 | 83 | $288,700 | $323 | 67y 09m |
| Feb 2019 | 5 ROOM | 07 to 09 | 121 | $408,000 | $313 | 67y 09m |
| Oct 2018 | 5 ROOM | 04 to 06 | 121 | $400,000 | $307 | 68y 03m |
| Oct 2018 | 4 ROOM | 04 to 06 | 103 | $353,000 | $318 | 68y 01m |
| Sept 2018 | 5 ROOM | 07 to 09 | 121 | $410,000 | $315 | 68y 02m |
| Aug 2018 | 4 ROOM | 07 to 09 | 83 | $300,000 | $336 | 68y 04m |
| May 2018 | 4 ROOM | 07 to 09 | 83 | $300,000 | $336 | 68y 06m |
| Nov 2017 | 4 ROOM | 10 to 12 | 83 | $328,000 | $367 | 69y |
| Jul 2017 | 4 ROOM | 07 to 09 | 83 | $310,000 | $347 | 69y 04m |
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 2.7×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.