Blk 233 Serangoon Ave 3 is an HDB block in Serangoon (completed in 1984, 11 storeys, 100 units). As of Jul 2026, its median resale price over the last 24 months is $812,000, about 4% above the Serangoon median, from 2 sales. 138 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Serangoon |
|---|---|
| Completed | 1984 |
| Lease from | 1985 |
| Storeys | 11 |
| Dwelling units | 100 |
| Unit mix (sold) | 4-room ×100 |
| Recorded resales | 138 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $812,000 | $7,733/m² | 2 |
Median monthly rent at this block: $2,825/mo (2 rental contracts, last 12 months).
Estimated gross rental yield: ~4.2% (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 25% of Serangoon blocks with recent sales.
For a typical 4-room flat here, our price model estimates $544,952–$609,608 (central estimate $577,280). Recent sales — median $592,805 — 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 |
|---|---|---|---|
| 1990 | $110,000 | $205,932 | 7 |
| 1991 | $91,000 | $164,697 | 4 |
| 1992 | $85,000 | $150,461 | 4 |
| 1993 | $125,000 | $216,311 | 3 |
| 1994 | $169,000 | $283,676 | 3 |
| 1995 | $206,000 | $339,919 | 7 |
| 1996 | $305,000 | $496,426 | 5 |
| 1997 | $330,000 | $526,467 | 7 |
| 1998 | $234,000 | $374,331 | 7 |
| 1999 | $231,500 | $370,244 | 10 |
| 2000 | $261,000 | $411,868 | 6 |
| 2001 | $210,000 | $328,064 | 5 |
| 2002 | $195,000 | $305,828 | 7 |
| 2003 | $213,000 | $332,436 | 5 |
| 2004 | $205,500 | $315,456 | 4 |
| 2005 | $202,500 | $309,387 | 4 |
| 2006 | $202,000 | $305,670 | 3 |
| 2007 | $243,000 | $360,114 | 5 |
| 2008 | $320,000 | $444,715 | 5 |
| 2009 | $328,000 | $453,168 | 1 |
| 2010 | $393,000 | $528,035 | 5 |
| 2011 | $444,444 | $567,359 | 2 |
| 2012 | $512,500 | $625,578 | 2 |
| 2014 | $510,000 | $601,927 | 3 |
| 2015 | $502,500 | $596,192 | 2 |
| 2016 | $423,888 | $505,598 | 3 |
| 2017 | $443,800 | $526,312 | 3 |
| 2020 | $488,000 | $573,941 | 3 |
| 2021 | $485,000 | $557,501 | 5 |
| 2022 | $668,000 | $723,498 | 1 |
| 2023 | $535,000 | $552,732 | 2 |
| 2024 | $585,000 | $590,283 | 3 |
| 2025 | $812,000 | $812,000 | 2 |
| Record sale | $838,000 (4-Room, 2025-01) |
|---|---|
| First recorded sale | $110,000 (1990-03) |
| Busiest year | 1999 · 10 sales |
| 10-year change (real) | +36% (+3.1%/yr, 2015→2025) |
| Total transacted | $40.3M across 138 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-04 | 4-Room | 04 TO 06 | 105 | $786,000 |
| 2025-01 | 4-Room | 07 TO 09 | 105 | $838,000 |
| 2024-05 | 4-Room | 07 TO 09 | 84 | $590,000 |
| 2024-04 | 4-Room | 01 TO 03 | 84 | $485,800 |
| 2024-03 | 4-Room | 10 TO 12 | 84 | $585,000 |
| 2023-08 | 4-Room | 10 TO 12 | 84 | $595,000 |
| 2023-05 | 4-Room | 07 TO 09 | 84 | $475,000 |
| 2022-10 | 4-Room | 10 TO 12 | 105 | $668,000 |
| 2021-10 | 4-Room | 07 TO 09 | 84 | $488,000 |
| 2021-09 | 4-Room | 04 TO 06 | 84 | $500,000 |
| 2021-03 | 4-Room | 01 TO 03 | 84 | $410,000 |
| 2021-01 | 4-Room | 10 TO 12 | 84 | $463,888 |
| 2021-01 | 4-Room | 07 TO 09 | 84 | $485,000 |
| 2020-09 | 4-Room | 10 TO 12 | 84 | $488,000 |
| 2020-06 | 4-Room | 04 TO 06 | 105 | $507,000 |
| 2020-03 | 4-Room | 07 TO 09 | 84 | $413,000 |
| 2017-05 | 4-Room | 01 TO 03 | 84 | $360,000 |
| 2017-03 | 4-Room | 04 TO 06 | 84 | $443,800 |
| 2017-02 | 4-Room | 07 TO 09 | 105 | $600,000 |
| 2016-08 | 4-Room | 01 TO 03 | 84 | $410,000 |
| 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 $812,000 (2 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical 4-room flat here, our price model estimates $544,952–$609,608 (central estimate $577,280). Recent sales — median $592,805 — sit within that range.
The median monthly rent is $2,825/mo over the last 12 months (2 contracts).
The block was completed in 1984 and its 99-year lease runs from 1985.