Blk 509 West Coast Drive — HDB resale prices
HDB resale prices, Clementi · 3-Room, 4-Room · built 1977
median resale price, last 24 months
8 sales in that window · as of Sep 2026
How it compares
Blk 509 West Coast Drive is an HDB block in Clementi (completed in 1977, 14 storeys, 153 units). As of Sep 2026, its median resale price over the last 24 months is $390,000, about 39% below the Clementi median, from 8 sales. 236 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 3-room ×111 · 4-room ×39 · 5-room ×3
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $2,800/mo (13 rental contracts, last 12 months).
Estimated gross rental yield: ~8.6% (Clementi average: ~6.1%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 99% of Clementi blocks with recent sales.
What the price model says
For a typical 3-room flat here, our price model estimates $379,914–$424,732 (central estimate $402,323). Recent sales — median $363,251 — sit below 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 | $44,500 | $83,309 | 4 |
| 1991 | $43,500 | $78,729 | 2 |
| 1992 | $47,000 | $83,196 | 3 |
| 1993 | $70,000 | $121,134 | 3 |
| 1994 | $95,000 | $159,463 | 7 |
| 1995 | $137,100 | $226,227 | 9 |
| 1996 | $190,000 | $309,249 | 12 |
| 1997 | $192,000 | $306,308 | 7 |
| 1998 | $160,000 | $255,953 | 15 |
| 1999 | $161,000 | $257,491 | 19 |
| 2000 | $159,000 | $250,908 | 19 |
| 2001 | $136,900 | $213,866 | 12 |
| 2002 | $140,250 | $219,961 | 6 |
| 2003 | $170,000 | $265,325 | 3 |
| 2004 | $167,000 | $256,356 | 10 |
| 2005 | $159,000 | $242,926 | 7 |
| 2006 | $166,000 | $251,194 | 8 |
| 2007 | $193,000 | $286,016 | 5 |
| 2008 | $258,000 | $358,551 | 9 |
| 2009 | $250,000 | $345,402 | 7 |
| 2010 | $281,250 | $377,887 | 8 |
| 2011 | $314,000 | $400,839 | 4 |
| 2012 | $341,500 | $416,849 | 2 |
| 2013 | $358,000 | $426,898 | 5 |
| 2014 | $388,000 | $457,936 | 7 |
| 2015 | $332,000 | $393,902 | 4 |
| 2016 | $276,000 | $329,203 | 1 |
| 2017 | $295,000 | $349,847 | 3 |
| 2018 | $282,000 | $332,970 | 7 |
| 2019 | $272,500 | $319,937 | 2 |
| 2020 | $322,888 | $379,751 | 3 |
| 2021 | $372,000 | $427,609 | 3 |
| 2022 | $404,444 | $438,045 | 6 |
| 2023 | $528,000 | $545,500 | 1 |
| 2024 | $360,000 | $363,251 | 6 |
| 2025 | $445,000 | $445,000 | 4 |
| 2026 | $355,000 | $355,000 | 3 |
Records
| Record sale | $640,000 (5-Room, 2021-11) |
|---|---|
| First recorded sale | $47,000 (1990-01) |
| Busiest year | 1999 · 19 sales |
| 10-year change (real) | +8% (+0.8%/yr, 2016→2026) |
| Total transacted | $53.4M across 236 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-07 | 4-Room | 07–09 | 83 m² | $480,000 |
| 2026-07 | 3-Room | 01–03 | 67 m² | $355,000 |
| 2026-06 | 3-Room | 07–09 | 67 m² | $350,000 |
| 2025-07 | 4-Room | 13–15 | 92 m² | $510,000 |
| 2025-06 | 4-Room | 01–03 | 92 m² | $470,000 |
| 2025-04 | 3-Room | 04–06 | 82 m² | $420,000 |
| 2025-03 | 3-Room | 01–03 | 67 m² | $340,000 |
| 2024-12 | 3-Room | 01–03 | 67 m² | $360,000 |
| 2024-07 | 4-Room | 01–03 | 92 m² | $420,000 |
| 2024-07 | 3-Room | 04–06 | 67 m² | $360,000 |
| 2024-04 | 3-Room | 13–15 | 67 m² | $380,000 |
| 2024-04 | 3-Room | 01–03 | 67 m² | $348,000 |
| 2024-04 | 3-Room | 01–03 | 67 m² | $345,000 |
| 2023-11 | 4-Room | 13–15 | 92 m² | $528,000 |
| 2022-10 | 4-Room | 07–09 | 92 m² | $469,000 |
| 2022-10 | 3-Room | 13–15 | 67 m² | $358,000 |
| 2022-09 | 3-Room | 13–15 | 67 m² | $380,888 |
| 2022-04 | 3-Room | 13–15 | 67 m² | $355,000 |
| 2022-02 | 4-Room | 07–09 | 92 m² | $428,000 |
| 2022-01 | 4-Room | 13–15 | 92 m² | $435,000 |
West Coast Drive blocks ranked by price
More blocks on West Coast Drive
Quick answers
How much does a flat at Blk 509 West Coast Drive cost?
The median resale price over the last 24 months is $390,000 (8 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 509 West Coast Drive fairly priced?
For a typical 3-room flat here, our price model estimates $379,914–$424,732 (central estimate $402,323). Recent sales — median $363,251 — sit below that range.
What is the rent at Blk 509 West Coast Drive?
The median monthly rent is $2,800/mo over the last 12 months (13 contracts).
How old is Blk 509 West Coast Drive?
The block was completed in 1977 and its 99-year lease runs from 1978.