Blk 663 Yishun Ave 4
Completed 1986 · 12 storeys · 88 flats · 60 years 04 months remaining · 19 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 $435,000 - $17,000 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 | $2,950/mo | $2,800–$3,100 | $3,100/mo | - | 4 |
| 5-ROOM | $4,000/mo | $4,000–$4,000 | $3,400/mo | - | 1 |
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 · 11 sales - do higher floors really fetch more here?
Every recent sale HDB official record, latest 19
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| Jun 2026 | 5 ROOM | 04 to 06 | 121 | $730,000 | $560 | 60y 04m |
| Dec 2025 | 4 ROOM | 01 to 03 | 85 | $485,000 | $530 | 60y 10m |
| Sept 2025 | 4 ROOM | 10 to 12 | 85 | $538,000 | $588 | 61y |
| Feb 2025 | 5 ROOM | 01 to 03 | 121 | $655,000 | $503 | 61y 09m |
| May 2024 | 4 ROOM | 01 to 03 | 83 | $452,000 | $506 | 62y 06m |
| Apr 2023 | 4 ROOM | 10 to 12 | 83 | $435,000 | $487 | 63y 06m |
| Mar 2023 | 5 ROOM | 07 to 09 | 121 | $625,000 | $480 | 63y 06m |
| Dec 2022 | 4 ROOM | 07 to 09 | 83 | $415,000 | $465 | 63y 10m |
| Jan 2022 | 5 ROOM | 01 to 03 | 121 | $523,000 | $402 | 64y 09m |
| Dec 2021 | 4 ROOM | 10 to 12 | 85 | $390,000 | $426 | 64y 10m |
| Nov 2021 | 4 ROOM | 04 to 06 | 85 | $410,000 | $448 | 64y 11m |
| Jun 2021 | 4 ROOM | 10 to 12 | 85 | $370,000 | $404 | 65y 04m |
| Apr 2020 | 4 ROOM | 10 to 12 | 85 | $300,000 | $328 | 66y 06m |
| Aug 2019 | 4 ROOM | 04 to 06 | 85 | $278,000 | $304 | 67y 01m |
| Apr 2019 | 5 ROOM | 01 to 03 | 121 | $410,000 | $315 | 67y 05m |
| Oct 2018 | 4 ROOM | 07 to 09 | 83 | $282,000 | $316 | 67y 11m |
| Oct 2018 | 4 ROOM | 10 to 12 | 103 | $340,000 | $307 | 67y 11m |
| Aug 2018 | 5 ROOM | 04 to 06 | 121 | $425,000 | $326 | 68y 02m |
| May 2018 | 5 ROOM | 01 to 03 | 121 | $432,000 | $332 | 68y 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.
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 2.6×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.