Blk 235 Yishun Street 21 — HDB resale prices
HDB resale prices, Yishun · 3-Room, 4-Room, 5-Room · built 1984
median resale price, last 24 months
6 sales in that window · as of Sep 2026
How it compares
Blk 235 Yishun Street 21 is an HDB block in Yishun (completed in 1984, 10 storeys, 84 units). As of Sep 2026, its median resale price over the last 24 months is $583,000, about 8% above the Yishun median, from 6 sales. 127 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 3-room ×39 · 4-room ×32 · 5-room ×13
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $2,200/mo (2 rental contracts, last 12 months).
Estimated gross rental yield: ~4.5% (Yishun average: ~6.6%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 89% of Yishun blocks with recent sales.
What the price model says
For a typical 5-room flat here, our price model estimates $665,041–$743,496 (central estimate $704,268). Recent sales — median $692,195 — sit within that range. The model explains 94% of resale prices with a typical error of ±6%. Indicative only — not an official valuation.
Median resale price by year
| Year | Median (nominal) | Median (today's $) | Sales |
|---|---|---|---|
| 1990 | $77,250 | $144,621 | 2 |
| 1992 | $88,000 | $155,772 | 1 |
| 1993 | $165,000 | $285,530 | 1 |
| 1994 | $154,750 | $259,756 | 4 |
| 1995 | $172,000 | $283,815 | 8 |
| 1996 | $190,000 | $309,249 | 9 |
| 1997 | $300,500 | $479,404 | 10 |
| 1998 | $248,000 | $396,727 | 7 |
| 1999 | $157,000 | $251,094 | 7 |
| 2000 | $154,000 | $243,018 | 3 |
| 2001 | $205,000 | $320,253 | 7 |
| 2002 | $190,000 | $297,987 | 5 |
| 2003 | $140,000 | $218,503 | 3 |
| 2004 | $170,000 | $260,961 | 5 |
| 2005 | $155,000 | $236,815 | 5 |
| 2006 | $174,000 | $263,300 | 4 |
| 2007 | $158,000 | $234,148 | 4 |
| 2008 | $224,000 | $311,300 | 4 |
| 2009 | $244,650 | $338,010 | 2 |
| 2010 | $248,000 | $333,213 | 1 |
| 2011 | $340,500 | $434,668 | 2 |
| 2012 | $404,500 | $493,749 | 2 |
| 2013 | $336,000 | $400,664 | 3 |
| 2014 | $320,000 | $377,680 | 1 |
| 2015 | $330,444 | $392,056 | 4 |
| 2016 | $277,000 | $330,395 | 1 |
| 2017 | $260,000 | $308,340 | 2 |
| 2018 | $269,500 | $318,211 | 2 |
| 2019 | $316,500 | $371,597 | 2 |
| 2020 | $320,500 | $376,943 | 2 |
| 2021 | $332,500 | $382,204 | 2 |
| 2022 | $525,944 | $569,640 | 4 |
| 2023 | $429,000 | $443,219 | 2 |
| 2024 | $686,000 | $692,195 | 1 |
| 2025 | $480,000 | $480,000 | 3 |
| 2026 | $561,500 | $561,500 | 2 |
Records
| Record sale | $730,000 (5-Room, 2025-05) |
|---|---|
| First recorded sale | $90,500 (1990-10) |
| Busiest year | 1997 · 10 sales |
| 10-year change (real) | +70% (+5.4%/yr, 2016→2026) |
| Total transacted | $33.1M across 127 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-03 | 5-Room | 04–06 | 135 m² | $710,000 |
| 2026-02 | 3-Room | 07–09 | 67 m² | $413,000 |
| 2025-06 | 4-Room | 01–03 | 93 m² | $480,000 |
| 2025-05 | 5-Room | 10–12 | 135 m² | $730,000 |
| 2025-02 | 3-Room | 10–12 | 67 m² | $400,000 |
| 2024-11 | 5-Room | 07–09 | 135 m² | $686,000 |
| 2023-07 | 4-Room | 07–09 | 100 m² | $488,000 |
| 2023-04 | 3-Room | 04–06 | 67 m² | $370,000 |
| 2022-10 | 4-Room | 04–06 | 93 m² | $453,888 |
| 2022-07 | 5-Room | 07–09 | 135 m² | $598,000 |
| 2022-06 | 5-Room | 10–12 | 135 m² | $630,000 |
| 2022-03 | 4-Room | 10–12 | 100 m² | $445,000 |
| 2021-02 | 4-Room | 01–03 | 93 m² | $360,000 |
| 2021-02 | 3-Room | 07–09 | 67 m² | $305,000 |
| 2020-06 | 4-Room | 07–09 | 93 m² | $321,000 |
| 2020-06 | 4-Room | 07–09 | 97 m² | $320,000 |
| 2019-09 | 4-Room | 04–06 | 100 m² | $315,000 |
| 2019-03 | 4-Room | 04–06 | 93 m² | $318,000 |
| 2018-10 | 3-Room | 10–12 | 67 m² | $270,000 |
| 2018-09 | 3-Room | 01–03 | 67 m² | $269,000 |
Yishun Street 21 blocks ranked by price
Showing the top 15 of 33 priced blocks.
More blocks on Yishun Street 21
Quick answers
How much does a flat at Blk 235 Yishun Street 21 cost?
The median resale price over the last 24 months is $583,000 (6 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 235 Yishun Street 21 fairly priced?
For a typical 5-room flat here, our price model estimates $665,041–$743,496 (central estimate $704,268). Recent sales — median $692,195 — sit within that range.
What is the rent at Blk 235 Yishun Street 21?
The median monthly rent is $2,200/mo over the last 12 months (2 contracts).
How old is Blk 235 Yishun Street 21?
The block was completed in 1984 and its 99-year lease runs from 1985.