Blk 399 Yishun Ave 6
Completed 1987 · 12 storeys · 132 flats · 62 years 03 months remaining · 30 resale transactions on record · median household income in Yishun: $7,500/mo (lowest quartile island-wide)
12 storeys · completed 1987
What the record shows
A 3-room here sold for $440,000 in Dec 2025. The same flat type in this block averaged $315,750 in 2021 - a gain of $124,250 - about $68 a day while the owner slept.
In this block, 3-room flats from floor 8 up have sold for a median of $445,000 - $103,500 more than floors 4 and below, same flat type, same block.
This block crosses 60 years remaining in 2028 - 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 | $1,950/mo | $1,500–$2,400 | $2,650/mo | - | 2 |
| 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 · 17 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 |
|---|---|---|---|---|---|---|
| Dec 2025 | 3 ROOM | 10 to 12 | 73 | $440,000 | $560 | 62y 03m |
| Jun 2025 | 3 ROOM | 10 to 12 | 73 | $450,000 | $573 | 62y 10m |
| Feb 2025 | 3 ROOM | 07 to 09 | 73 | $450,000 | $573 | 63y 03m |
| Mar 2024 | 4 ROOM | 07 to 09 | 105 | $515,000 | $456 | 64y 01m |
| Mar 2024 | 3 ROOM | 04 to 06 | 73 | $400,000 | $509 | 64y 01m |
| Jan 2024 | 4 ROOM | 10 to 12 | 104 | $510,000 | $456 | 64y 04m |
| Sept 2023 | 3 ROOM | 07 to 09 | 73 | $378,000 | $481 | 64y 07m |
| Aug 2023 | 4 ROOM | 01 to 03 | 108 | $458,000 | $394 | 64y 08m |
| Nov 2022 | 3 ROOM | 07 to 09 | 73 | $358,000 | $456 | 65y 06m |
| Nov 2022 | 4 ROOM | 01 to 03 | 108 | $435,000 | $374 | 65y 06m |
| Nov 2022 | 3 ROOM | 07 to 09 | 73 | $360,000 | $458 | 65y 05m |
| Sept 2022 | 3 ROOM | 04 to 06 | 73 | $355,000 | $452 | 65y 06m |
| Aug 2022 | 4 ROOM | 10 to 12 | 104 | $445,000 | $398 | 65y 08m |
| Jul 2022 | 4 ROOM | 07 to 09 | 104 | $445,000 | $398 | 65y 09m |
| Sept 2021 | 3 ROOM | 04 to 06 | 73 | $328,000 | $417 | 66y 07m |
| Aug 2021 | 3 ROOM | 07 to 09 | 73 | $310,000 | $395 | 66y 07m |
| Jul 2021 | 3 ROOM | 04 to 06 | 73 | $295,000 | $375 | 66y 10m |
| Jun 2021 | 3 ROOM | 10 to 12 | 73 | $330,000 | $420 | 66y 10m |
| Feb 2021 | 4 ROOM | 04 to 06 | 105 | $375,000 | $332 | 67y 02m |
| Jun 2020 | 4 ROOM | 07 to 09 | 105 | $320,000 | $283 | 67y 11m |
| Feb 2020 | 3 ROOM | 10 to 12 | 73 | $247,000 | $314 | 68y 01m |
| Jan 2020 | 3 ROOM | 07 to 09 | 73 | $235,000 | $299 | 68y 03m |
| Nov 2019 | 3 ROOM | 07 to 09 | 73 | $225,000 | $286 | 68y 04m |
| Mar 2019 | 4 ROOM | 10 to 12 | 105 | $330,000 | $292 | 69y |
| Oct 2018 | 4 ROOM | 04 to 06 | 105 | $310,000 | $274 | 69y 07m |
| Aug 2018 | 3 ROOM | 04 to 06 | 73 | $263,000 | $335 | 69y 07m |
| Feb 2018 | 4 ROOM | 01 to 03 | 104 | $300,000 | $268 | 70y 01m |
| Dec 2017 | 4 ROOM | 07 to 09 | 105 | $312,000 | $276 | 70y 03m |
| Oct 2017 | 3 ROOM | 07 to 09 | 73 | $268,000 | $341 | 70y 05m |
| Jun 2017 | 3 ROOM | 01 to 03 | 73 | $260,000 | $331 | 70y 09m |
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.
built 1987 · same generation
built 1987 · same generation
built 1988 · same generation
3-room median $35k below this block · 6 vs 3 sales
built 1987 · same generation
built 1986 · same generation
Condos nearby
The private premium, measured: the nearest condo trades at 1.6×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.