Blk 331 Serangoon Ave 3 is an HDB block in Serangoon (completed in 1985, 12 storeys, 88 units). As of Jul 2026, its median resale price over the last 24 months is $884,000, about 13% above the Serangoon median, from 5 sales. 97 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Serangoon |
|---|---|
| Completed | 1985 |
| Lease from | 1986 |
| Storeys | 12 |
| Dwelling units | 88 |
| Unit mix (sold) | 4-room ×48 · 5-room ×40 |
| Recorded resales | 97 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $680,000 | $8,095/m² | 1 |
| 5-Room | $917,000 | $7,546/m² | 4 |
Median monthly rent at this block: $3,550/mo (1 rental contracts, last 12 months).
Estimated gross rental yield: ~4.8% (Serangoon average: ~5.1%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 23% of Serangoon blocks with recent sales.
For a typical 5-room flat here, our price model estimates $813,222–$909,706 (central estimate $861,464). Recent sales — median $873,315 — 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 |
|---|---|---|---|
| 1991 | $82,000 | $148,408 | 1 |
| 1992 | $170,500 | $301,808 | 6 |
| 1993 | $143,000 | $247,460 | 3 |
| 1995 | $193,500 | $319,292 | 4 |
| 1996 | $325,000 | $528,978 | 7 |
| 1997 | $275,500 | $439,520 | 5 |
| 1998 | $242,000 | $387,129 | 7 |
| 1999 | $283,500 | $453,409 | 4 |
| 2000 | $311,500 | $491,559 | 2 |
| 2001 | $200,000 | $312,442 | 1 |
| 2002 | $214,000 | $335,627 | 7 |
| 2003 | $270,000 | $421,398 | 3 |
| 2004 | $328,000 | $503,502 | 1 |
| 2006 | $223,000 | $337,448 | 3 |
| 2007 | $374,000 | $554,249 | 3 |
| 2008 | $330,000 | $458,612 | 2 |
| 2009 | $340,000 | $469,747 | 2 |
| 2010 | $389,650 | $523,534 | 4 |
| 2011 | $530,000 | $676,576 | 1 |
| 2012 | $495,000 | $604,217 | 1 |
| 2013 | $500,000 | $596,227 | 1 |
| 2014 | $510,500 | $602,517 | 2 |
| 2015 | $612,500 | $726,702 | 2 |
| 2016 | $460,000 | $548,671 | 3 |
| 2017 | $592,500 | $702,659 | 2 |
| 2018 | $525,000 | $619,892 | 1 |
| 2019 | $674,000 | $791,332 | 4 |
| 2020 | $540,000 | $635,098 | 3 |
| 2021 | $575,000 | $660,954 | 1 |
| 2022 | $590,000 | $639,017 | 3 |
| 2023 | $707,500 | $730,949 | 2 |
| 2024 | $865,500 | $873,315 | 2 |
| 2025 | $875,000 | $875,000 | 2 |
| 2026 | $850,000 | $850,000 | 2 |
| Record sale | $1,020,000 (5-Room, 2026-06) |
|---|---|
| First recorded sale | $82,000 (1991-12) |
| Busiest year | 1996 · 7 sales |
| 10-year change (real) | +55% (+4.5%/yr, 2016→2026) |
| Total transacted | $37.9M across 97 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-07 | 4-Room | 04 TO 06 | 84 | $680,000 |
| 2026-06 | 5-Room | 04 TO 06 | 121 | $1,020,000 |
| 2025-07 | 5-Room | 01 TO 03 | 121 | $800,000 |
| 2025-07 | 5-Room | 07 TO 09 | 122 | $950,000 |
| 2024-09 | 5-Room | 04 TO 06 | 121 | $884,000 |
| 2024-06 | 5-Room | 01 TO 03 | 122 | $847,000 |
| 2023-07 | 5-Room | 01 TO 03 | 122 | $820,000 |
| 2023-03 | 4-Room | 07 TO 09 | 84 | $595,000 |
| 2022-11 | 4-Room | 07 TO 09 | 84 | $510,000 |
| 2022-07 | 4-Room | 04 TO 06 | 84 | $610,000 |
| 2022-04 | 4-Room | 10 TO 12 | 84 | $590,000 |
| 2021-04 | 4-Room | 07 TO 09 | 84 | $575,000 |
| 2020-10 | 4-Room | 07 TO 09 | 84 | $530,000 |
| 2020-08 | 4-Room | 04 TO 06 | 84 | $540,000 |
| 2020-08 | 5-Room | 04 TO 06 | 121 | $670,000 |
| 2019-12 | 5-Room | 10 TO 12 | 122 | $688,000 |
| 2019-06 | 5-Room | 10 TO 12 | 121 | $700,000 |
| 2019-04 | 4-Room | 01 TO 03 | 84 | $475,000 |
| 2019-03 | 5-Room | 10 TO 12 | 122 | $660,000 |
| 2018-08 | 4-Room | 10 TO 12 | 84 | $525,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 322 | $990,000 | $6,781/m² |
| 2. Blk 331 | $884,000 | $7,787/m² |
| 3. Blk 246 | $836,500 | $8,256/m² |
| 4. Blk 233 | $812,000 | $7,733/m² |
| 5. Blk 329 | $810,000 | $6,639/m² |
| 6. Blk 324 | $770,000 | $7,981/m² |
| 7. Blk 328 | $770,000 | $7,726/m² |
| 8. Blk 235 | $770,000 | $7,556/m² |
| 9. Blk 325 | $769,444 | $7,560/m² |
| 10. Blk 231 | $763,888 | $7,333/m² |
| 11. Blk 334 | $750,000 | $8,190/m² |
| 12. Blk 242 | $700,000 | $7,685/m² |
| 13. Blk 323 | $691,250 | $8,229/m² |
| 14. Blk 332 | $689,000 | $8,202/m² |
| 15. Blk 333 | $689,000 | $7,905/m² |
Showing the top 15 of 24 blocks.
The median resale price over the last 24 months is $884,000 (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 $813,222–$909,706 (central estimate $861,464). Recent sales — median $873,315 — sit within that range.
The median monthly rent is $3,550/mo over the last 12 months (1 contracts).
The block was completed in 1985 and its 99-year lease runs from 1986.