Blk 233 Yishun St 21 is an HDB block in Yishun (completed in 1984, 4 storeys, 19 units). As of Jul 2026, its median resale price over the last 24 months is $544,000, about 7% above the Yishun median, from 2 sales. 33 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Yishun |
|---|---|
| Completed | 1984 |
| Lease from | 1985 |
| Storeys | 4 |
| Dwelling units | 19 |
| Unit mix (sold) | 3-room ×14 · 4-room ×5 |
| Recorded resales | 33 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $544,000 | $5,849/m² | 2 |
On price per square metre, this block is cheaper than 59% of Yishun blocks with recent sales.
For a typical 3-room flat here, our price model estimates $318,866–$356,698 (central estimate $337,782). Recent sales — median $375,839 — sit above 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 |
|---|---|---|---|
| 1996 | $135,000 | $219,729 | 1 |
| 1997 | $237,500 | $378,897 | 2 |
| 1998 | $138,000 | $220,759 | 3 |
| 2000 | $137,000 | $216,191 | 1 |
| 2001 | $126,000 | $196,838 | 2 |
| 2002 | $117,000 | $183,497 | 1 |
| 2003 | $155,000 | $241,914 | 2 |
| 2004 | $139,000 | $213,374 | 1 |
| 2006 | $180,000 | $272,380 | 1 |
| 2007 | $143,000 | $211,919 | 1 |
| 2008 | $167,000 | $232,086 | 2 |
| 2010 | $250,000 | $335,900 | 1 |
| 2012 | $375,000 | $457,740 | 1 |
| 2013 | $320,000 | $381,585 | 1 |
| 2014 | $280,000 | $330,470 | 1 |
| 2017 | $269,500 | $319,606 | 2 |
| 2018 | $255,000 | $301,090 | 1 |
| 2021 | $310,000 | $356,341 | 2 |
| 2022 | $340,000 | $368,247 | 3 |
| 2024 | $365,000 | $368,296 | 2 |
| 2025 | $544,000 | $544,000 | 2 |
| Record sale | $568,000 (4-Room, 2025-09) |
|---|---|
| First recorded sale | $135,000 (1996-01) |
| Busiest year | 1998 · 3 sales |
| Total transacted | $8.2M across 33 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-09 | 4-Room | 01 TO 03 | 93 | $568,000 |
| 2025-04 | 4-Room | 01 TO 03 | 93 | $520,000 |
| 2024-04 | 3-Room | 01 TO 03 | 67 | $350,000 |
| 2024-03 | 3-Room | 04 TO 06 | 67 | $380,000 |
| 2022-12 | 3-Room | 01 TO 03 | 67 | $355,000 |
| 2022-08 | 3-Room | 01 TO 03 | 67 | $340,000 |
| 2022-03 | 3-Room | 01 TO 03 | 67 | $327,000 |
| 2021-12 | 3-Room | 04 TO 06 | 67 | $340,000 |
| 2021-02 | 3-Room | 04 TO 06 | 67 | $280,000 |
| 2018-02 | 3-Room | 01 TO 03 | 67 | $255,000 |
| 2017-05 | 3-Room | 04 TO 06 | 67 | $270,000 |
| 2017-03 | 3-Room | 01 TO 03 | 67 | $269,000 |
| 2014-11 | 3-Room | 01 TO 03 | 67 | $280,000 |
| 2013-09 | 3-Room | 04 TO 06 | 67 | $320,000 |
| 2012-03 | 4-Room | 01 TO 05 | 93 | $375,000 |
| 2010-05 | 3-Room | 04 TO 06 | 67 | $250,000 |
| 2008-08 | 3-Room | 01 TO 03 | 67 | $166,000 |
| 2008-05 | 3-Room | 04 TO 06 | 67 | $168,000 |
| 2007-03 | 3-Room | 04 TO 06 | 67 | $143,000 |
| 2006-04 | 4-Room | 04 TO 06 | 93 | $180,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 213 | $678,000 | $5,603/m² |
| 2. Blk 229 | $664,000 | $5,488/m² |
| 3. Blk 212 | $660,000 | $5,459/m² |
| 4. Blk 221 | $645,444 | $5,193/m² |
| 5. Blk 232 | $637,888 | $5,272/m² |
| 6. Blk 209 | $600,000 | $5,537/m² |
| 7. Blk 235 | $583,000 | $5,333/m² |
| 8. Blk 233 | $544,000 | $5,849/m² |
| 9. Blk 214 | $537,000 | $5,886/m² |
| 10. Blk 211 | $529,888 | $6,149/m² |
| 11. Blk 205 | $522,500 | $6,092/m² |
| 12. Blk 223 | $515,000 | $5,857/m² |
| 13. Blk 204 | $513,944 | $6,580/m² |
| 14. Blk 234 | $505,000 | $5,490/m² |
| 15. Blk 227 | $495,000 | $5,672/m² |
Showing the top 15 of 32 blocks.
The median resale price over the last 24 months is $544,000 (2 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical 3-room flat here, our price model estimates $318,866–$356,698 (central estimate $337,782). Recent sales — median $375,839 — sit above that range.
The block was completed in 1984 and its 99-year lease runs from 1985.