Blk 817 Yishun St 81 is an HDB block in Yishun (completed in 1987, 4 storeys, 24 units). As of Jul 2026, its median resale price over the last 24 months is $535,000, about 5% above the Yishun median, from 1 sales. 24 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Yishun |
|---|---|
| Completed | 1987 |
| Lease from | 1987 |
| Storeys | 4 |
| Dwelling units | 24 |
| Unit mix (sold) | 4-room ×18 · 5-room ×6 |
| Recorded resales | 24 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 4-Room | $535,000 | $5,144/m² | 1 |
On price per square metre, this block is cheaper than 97% of Yishun blocks with recent sales.
For a typical 4-room flat here, our price model estimates $484,786–$542,303 (central estimate $513,544). Recent sales — median $535,168 — 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 |
|---|---|---|---|
| 1993 | $183,000 | $316,679 | 1 |
| 1994 | $210,000 | $352,497 | 3 |
| 1995 | $237,000 | $391,071 | 1 |
| 1996 | $440,000 | $716,155 | 1 |
| 1997 | $335,000 | $534,444 | 3 |
| 1998 | $315,000 | $503,907 | 1 |
| 1999 | $300,000 | $479,797 | 1 |
| 2000 | $263,000 | $415,024 | 1 |
| 2002 | $306,000 | $479,915 | 1 |
| 2003 | $230,000 | $358,969 | 1 |
| 2005 | $212,500 | $324,666 | 2 |
| 2009 | $298,000 | $411,719 | 1 |
| 2010 | $345,000 | $463,542 | 1 |
| 2012 | $511,800 | $624,724 | 1 |
| 2017 | $345,000 | $409,143 | 1 |
| 2018 | $305,000 | $360,127 | 1 |
| 2022 | $520,000 | $563,202 | 1 |
| 2023 | $518,000 | $535,168 | 1 |
| 2025 | $535,000 | $535,000 | 1 |
| Record sale | $535,000 (4-Room, 2025-07) |
|---|---|
| First recorded sale | $183,000 (1993-11) |
| Busiest year | 1994 · 3 sales |
| Total transacted | $7.8M across 24 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-07 | 4-Room | 01 TO 03 | 104 | $535,000 |
| 2023-08 | 4-Room | 01 TO 03 | 104 | $518,000 |
| 2022-08 | 4-Room | 01 TO 03 | 108 | $520,000 |
| 2018-04 | 4-Room | 01 TO 03 | 104 | $305,000 |
| 2017-10 | 4-Room | 01 TO 03 | 104 | $345,000 |
| 2012-06 | 5-Room | 01 TO 03 | 122 | $511,800 |
| 2010-02 | 4-Room | 01 TO 03 | 104 | $345,000 |
| 2009-02 | 4-Room | 01 TO 03 | 104 | $298,000 |
| 2005-05 | 4-Room | 01 TO 03 | 104 | $180,000 |
| 2005-03 | 5-Room | 01 TO 03 | 122 | $245,000 |
| 2003-06 | 4-Room | 04 TO 06 | 104 | $230,000 |
| 2002-08 | 5-Room | 01 TO 03 | 127 | $306,000 |
| 2000-10 | 4-Room | 01 TO 03 | 112 | $263,000 |
| 1999-12 | 4-Room | 01 TO 03 | 111 | $300,000 |
| 1998-04 | 4-Room | 01 TO 03 | 111 | $315,000 |
| 1997-09 | 4-Room | 01 TO 03 | 108 | $366,000 |
| 1997-02 | 4-Room | 04 TO 06 | 104 | $335,000 |
| 1997-02 | 4-Room | 01 TO 03 | 104 | $325,000 |
| 1996-08 | 5-Room | 01 TO 03 | 122 | $440,000 |
| 1995-07 | 4-Room | 04 TO 06 | 104 | $237,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 826 | $1,100,888 | $7,540/m² |
| 2. Blk 828 | $995,000 | $6,912/m² |
| 3. Blk 834 | $990,000 | $6,781/m² |
| 4. Blk 877 | $980,000 | $6,901/m² |
| 5. Blk 836 | $977,500 | $6,695/m² |
| 6. Blk 827 | $960,000 | $6,621/m² |
| 7. Blk 824 | $893,888 | $6,123/m² |
| 8. Blk 841 | $777,500 | $6,123/m² |
| 9. Blk 838 | $755,000 | $6,063/m² |
| 10. Blk 871 | $738,000 | $6,049/m² |
| 11. Blk 851 | $735,888 | $5,962/m² |
| 12. Blk 874 | $690,000 | $5,656/m² |
| 13. Blk 880 | $654,000 | $5,792/m² |
| 14. Blk 850 | $650,000 | $5,775/m² |
| 15. Blk 872 | $645,000 | $5,319/m² |
Showing the top 15 of 39 blocks.
The median resale price over the last 24 months is $535,000 (1 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 $484,786–$542,303 (central estimate $513,544). Recent sales — median $535,168 — sit within that range.
The block was completed in 1987 and its 99-year lease runs from 1987.