Blk 671A Yishun Ave 4
Completed 2016 · 13 storeys · 96 flats · 90 years 09 months remaining · 37 resale transactions on record · median household income in Yishun: $7,500/mo (lowest quartile island-wide)
13 storeys · completed 2016
What the record shows
A 3-room here sold for $513,888 in May 2026. The same flat type in this block averaged $395,296 in 2021 - a gain of $118,592 - about $65 a day while the owner slept.
In this block, 3-room flats from floor 9 up have sold for a median of $432,000 - $500 more than floors 4 and below, same flat type, same block.
This block crosses 60 years remaining in 2057 - the line where CPF usage rules begin tightening 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 |
|---|---|---|---|---|---|
| 3-ROOM | $2,900/mo | $2,900–$2,900 | $2,650/mo | - | 1 |
| 4-ROOM | $3,000/mo | $3,000–$3,000 | $3,100/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 · 37 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 |
|---|---|---|---|---|---|---|
| May 2026 | 3 ROOM | 07 to 09 | 68 | $513,888 | $702 | 90y 09m |
| Jan 2026 | 3 ROOM | 04 to 06 | 68 | $495,000 | $676 | 91y 01m |
| Jan 2026 | 4 ROOM | 04 to 06 | 93 | $588,000 | $587 | 91y 01m |
| Dec 2025 | 4 ROOM | 10 to 12 | 93 | $645,000 | $644 | 91y 02m |
| Sept 2025 | 3 ROOM | 01 to 03 | 68 | $492,000 | $672 | 91y 04m |
| Jul 2025 | 3 ROOM | 04 to 06 | 68 | $480,000 | $656 | 91y 07m |
| May 2025 | 4 ROOM | 01 to 03 | 93 | $569,000 | $568 | 91y 09m |
| Apr 2025 | 3 ROOM | 07 to 09 | 68 | $520,000 | $710 | 91y 11m |
| Feb 2025 | 3 ROOM | 01 to 03 | 68 | $480,888 | $657 | 92y |
| Nov 2024 | 4 ROOM | 13 to 15 | 93 | $648,088 | $647 | 92y 03m |
| Oct 2024 | 3 ROOM | 13 to 15 | 68 | $488,000 | $667 | 92y 05m |
| Aug 2024 | 3 ROOM | 01 to 03 | 68 | $458,000 | $626 | 92y 05m |
| Jul 2024 | 3 ROOM | 13 to 15 | 68 | $480,000 | $656 | 92y 07m |
| Jun 2024 | 3 ROOM | 07 to 09 | 68 | $470,000 | $642 | 92y 08m |
| Apr 2024 | 4 ROOM | 01 to 03 | 93 | $525,000 | $524 | 92y 10m |
| Dec 2023 | 3 ROOM | 07 to 09 | 68 | $450,000 | $615 | 93y 02m |
| Jun 2023 | 4 ROOM | 04 to 06 | 93 | $540,888 | $540 | 93y 08m |
| May 2023 | 3 ROOM | 04 to 06 | 68 | $435,000 | $594 | 93y 09m |
| Jan 2023 | 3 ROOM | 13 to 15 | 68 | $440,000 | $601 | 94y 01m |
| Jan 2023 | 3 ROOM | 01 to 03 | 68 | $410,000 | $560 | 94y 01m |
| Jan 2023 | 3 ROOM | 10 to 12 | 68 | $432,000 | $590 | 94y 01m |
| Dec 2022 | 3 ROOM | 13 to 15 | 68 | $415,000 | $567 | 94y 02m |
| Dec 2022 | 4 ROOM | 07 to 09 | 93 | $560,000 | $559 | 94y 02m |
| Dec 2022 | 3 ROOM | 07 to 09 | 68 | $430,000 | $587 | 94y 03m |
| Dec 2022 | 3 ROOM | 01 to 03 | 68 | $410,000 | $560 | 94y 03m |
| Aug 2022 | 4 ROOM | 04 to 06 | 93 | $505,000 | $504 | 94y 06m |
| Jul 2022 | 4 ROOM | 07 to 09 | 93 | $537,000 | $536 | 94y 07m |
| May 2022 | 3 ROOM | 10 to 12 | 68 | $418,888 | $572 | 94y 08m |
| Apr 2022 | 3 ROOM | 10 to 12 | 68 | $418,000 | $571 | 94y 09m |
| Apr 2022 | 4 ROOM | 01 to 03 | 93 | $480,000 | $480 | 94y 10m |
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.
4-room median $11k above this block · 6 vs 4 sales
4-room median $17k below this block · 7 vs 4 sales
4-room median within $5k of this block
built 2017 · same generation
3-room median $14k above this block · 4 vs 9 sales
3-room median $22k above this block · 4 vs 9 sales
Condos nearby
The private premium, measured: the nearest condo trades at 2.2×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.