Blk 665 Yishun Ave 4 is an HDB block in Yishun (completed in 1986, 10 storeys, 56 units). As of Jul 2026, its median resale price over the last 24 months is $750,000, about 47% above the Yishun median, from 5 sales. 82 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Yishun |
|---|---|
| Completed | 1986 |
| Lease from | 1992 |
| Storeys | 10 |
| Dwelling units | 56 |
| Unit mix (sold) | 4-room ×6 · 5-room ×18 · exec ×32 |
| Recorded resales | 82 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $600,000 | $5,505/m² | 1 |
| 5-Room | $742,500 | $5,625/m² | 2 |
| Executive | $1,046,500 | $6,075/m² | 2 |
Median monthly rent at this block: $3,375/mo (4 rental contracts, last 12 months).
Estimated gross rental yield: ~5.4% (Yishun average: ~6.8%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 70% of Yishun blocks with recent sales.
For a typical 5-room flat here, our price model estimates $650,571–$727,757 (central estimate $689,164). Recent sales — median $715,289 — sit within that range. The model explains 94% of resale prices with a typical error of ±6%. Indicative only — not an official valuation.
| Year | Median (nominal) | Median (today's $) | Sales |
|---|---|---|---|
| 1995 | $495,000 | $816,795 | 6 |
| 1996 | $540,000 | $878,918 | 13 |
| 1997 | $451,000 | $719,505 | 5 |
| 1998 | $525,500 | $840,645 | 4 |
| 1999 | $525,000 | $839,646 | 1 |
| 2000 | $393,000 | $620,170 | 3 |
| 2001 | $335,000 | $523,340 | 3 |
| 2002 | $263,000 | $412,476 | 2 |
| 2003 | $410,000 | $639,901 | 3 |
| 2004 | $375,000 | $575,650 | 5 |
| 2006 | $350,000 | $529,627 | 1 |
| 2007 | $388,000 | $574,997 | 5 |
| 2008 | $418,000 | $580,909 | 3 |
| 2009 | $390,000 | $538,827 | 3 |
| 2010 | $425,000 | $571,030 | 3 |
| 2011 | $610,000 | $778,701 | 1 |
| 2012 | $603,000 | $736,046 | 2 |
| 2013 | $650,000 | $775,095 | 1 |
| 2014 | $500,000 | $590,124 | 1 |
| 2015 | $760,000 | $901,704 | 1 |
| 2016 | $735,000 | $876,681 | 1 |
| 2017 | $680,000 | $806,427 | 1 |
| 2018 | $455,000 | $537,239 | 3 |
| 2019 | $758,000 | $889,955 | 1 |
| 2021 | $505,000 | $580,490 | 2 |
| 2022 | $625,000 | $676,925 | 1 |
| 2023 | $490,000 | $506,240 | 1 |
| 2024 | $708,888 | $715,289 | 1 |
| 2025 | $735,000 | $735,000 | 3 |
| 2026 | $887,500 | $887,500 | 2 |
| Record sale | $1,068,000 (Executive, 2025-02) |
|---|---|
| First recorded sale | $410,000 (1995-05) |
| Busiest year | 1996 · 13 sales |
| 10-year change (real) | +1% (+0.1%/yr, 2016→2026) |
| Total transacted | $40.9M across 82 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-04 | Executive | 01 TO 03 | 164 | $1,025,000 |
| 2026-01 | 5-Room | 01 TO 03 | 132 | $750,000 |
| 2025-08 | 4-Room | 04 TO 06 | 109 | $600,000 |
| 2025-07 | 5-Room | 04 TO 06 | 132 | $735,000 |
| 2025-02 | Executive | 01 TO 03 | 181 | $1,068,000 |
| 2024-05 | 5-Room | 01 TO 03 | 134 | $708,888 |
| 2023-04 | 4-Room | 04 TO 06 | 106 | $490,000 |
| 2022-06 | 5-Room | 07 TO 09 | 134 | $625,000 |
| 2021-11 | 4-Room | 04 TO 06 | 117 | $470,000 |
| 2021-10 | 5-Room | 04 TO 06 | 134 | $540,000 |
| 2019-04 | Executive | 01 TO 03 | 181 | $758,000 |
| 2018-12 | Executive | 07 TO 09 | 164 | $708,000 |
| 2018-08 | 5-Room | 01 TO 03 | 132 | $455,000 |
| 2018-07 | 4-Room | 04 TO 06 | 109 | $325,000 |
| 2017-03 | Executive | 04 TO 06 | 164 | $680,000 |
| 2016-01 | Executive | 04 TO 06 | 164 | $735,000 |
| 2015-06 | Executive | 04 TO 06 | 181 | $760,000 |
| 2014-08 | 5-Room | 04 TO 06 | 134 | $500,000 |
| 2013-12 | Executive | 01 TO 03 | 164 | $650,000 |
| 2012-06 | 5-Room | 01 TO 03 | 134 | $506,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 652 | $1,200,000 | $6,630/m² |
| 2. Blk 666 | $1,120,000 | $6,829/m² |
| 3. Blk 654 | $997,500 | $6,082/m² |
| 4. Blk 661 | $915,444 | $6,117/m² |
| 5. Blk 664 | $905,000 | $5,754/m² |
| 6. Blk 509C | $750,000 | $6,637/m² |
| 7. Blk 665 | $750,000 | $5,682/m² |
| 8. Blk 860 | $716,500 | $5,873/m² |
| 9. Blk 509A | $708,000 | $6,460/m² |
| 10. Blk 859 | $705,944 | $5,786/m² |
| 11. Blk 657 | $690,000 | $5,702/m² |
| 12. Blk 863 | $680,000 | $5,656/m² |
| 13. Blk 508B | $680,000 | $6,667/m² |
| 14. Blk 864 | $667,500 | $5,890/m² |
| 15. Blk 673B | $666,000 | $6,989/m² |
Showing the top 15 of 46 blocks.
The median resale price over the last 24 months is $750,000 (5 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical 5-room flat here, our price model estimates $650,571–$727,757 (central estimate $689,164). Recent sales — median $715,289 — sit within that range.
The median monthly rent is $3,375/mo over the last 12 months (4 contracts).
The block was completed in 1986 and its 99-year lease runs from 1992.