Blk 671B Yishun Ave 4
Completed 2016 · 13 storeys · 120 flats · 90 years 08 months remaining · 28 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 2-room here sold for $390,000 in Jun 2026. The same flat type in this block averaged $289,000 in 2021 - a gain of $101,000 - about $55 a day while the owner slept.
In this block, 4-room flats from floor 9 up have sold for a median of $620,000 - $54,200 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 |
|---|---|---|---|---|---|
| 2-ROOM | $2,200/mo | $2,000–$2,500 | $2,300/mo | - | 4 |
| 3-ROOM | $2,900/mo | $2,900–$2,900 | $2,650/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 · 28 sales - do higher floors really fetch more here?
Every recent sale HDB official record, latest 28
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| Jun 2026 | 2 ROOM | 10 to 12 | 47 | $390,000 | $771 | 90y 08m |
| Jun 2026 | 4 ROOM | 10 to 12 | 93 | $640,000 | $639 | 90y 08m |
| May 2026 | 4 ROOM | 10 to 12 | 93 | $600,000 | $599 | 90y 08m |
| Apr 2026 | 4 ROOM | 07 to 09 | 93 | $600,000 | $599 | 90y 09m |
| Mar 2026 | 4 ROOM | 01 to 03 | 93 | $575,000 | $574 | 90y 11m |
| Sept 2025 | 4 ROOM | 13 to 15 | 93 | $660,000 | $659 | 91y 04m |
| Jun 2025 | 4 ROOM | 04 to 06 | 93 | $565,800 | $565 | 91y 08m |
| Nov 2024 | 2 ROOM | 04 to 06 | 47 | $340,000 | $672 | 92y 03m |
| Oct 2024 | 2 ROOM | 01 to 03 | 47 | $340,000 | $672 | 92y 04m |
| Sept 2024 | 4 ROOM | 04 to 06 | 93 | $608,000 | $607 | 92y 05m |
| Aug 2024 | 3 ROOM | 01 to 03 | 68 | $450,000 | $615 | 92y 06m |
| Dec 2023 | 2 ROOM | 10 to 12 | 47 | $360,000 | $712 | 93y 03m |
| Aug 2023 | 2 ROOM | 07 to 09 | 47 | $340,000 | $672 | 93y 06m |
| Jul 2023 | 3 ROOM | 01 to 03 | 68 | $410,000 | $560 | 93y 08m |
| Nov 2022 | 4 ROOM | 07 to 09 | 93 | $555,000 | $554 | 94y 03m |
| Oct 2022 | 4 ROOM | 07 to 09 | 93 | $540,000 | $539 | 94y 04m |
| Sept 2022 | 3 ROOM | 04 to 06 | 68 | $418,000 | $571 | 94y 05m |
| Aug 2022 | 4 ROOM | 07 to 09 | 93 | $540,000 | $539 | 94y 06m |
| Aug 2022 | 4 ROOM | 07 to 09 | 93 | $523,000 | $522 | 94y 06m |
| Jun 2022 | 2 ROOM | 04 to 06 | 47 | $315,000 | $623 | 94y 08m |
| May 2022 | 4 ROOM | 04 to 06 | 93 | $510,000 | $509 | 94y 08m |
| Feb 2022 | 4 ROOM | 04 to 06 | 93 | $496,000 | $495 | 94y 11m |
| Feb 2022 | 2 ROOM | 13 to 15 | 47 | $297,000 | $587 | 95y |
| Jan 2022 | 4 ROOM | 07 to 09 | 93 | $500,000 | $499 | 95y 01m |
| Dec 2021 | 4 ROOM | 10 to 12 | 93 | $520,000 | $519 | 95y 02m |
| Nov 2021 | 2 ROOM | 07 to 09 | 47 | $276,000 | $546 | 95y 03m |
| Nov 2021 | 3 ROOM | 10 to 12 | 68 | $380,000 | $519 | 95y 02m |
| Sept 2021 | 2 ROOM | 10 to 12 | 47 | $268,000 | $530 | 95y 05m |
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.
2-room median $23k above this block · 6 vs 3 sales
4-room median $21k above this block · 5 vs 7 sales
4-room median $17k above this block · 4 vs 7 sales
4-room median $28k above this block · 6 vs 7 sales
4-room median within $5k of this block
4-room median $24k above this block · 4 vs 7 sales
Condos nearby
The private premium, measured: the nearest condo trades at 2.3×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.