Blk 509 West Coast Dr is an HDB block in Clementi (completed in 1977, 14 storeys, 153 units). As of Jul 2026, its median resale price over the last 24 months is $390,000, about 38% below the Clementi median, from 6 sales. 234 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Clementi |
|---|---|
| Completed | 1977 |
| Lease from | 1978 |
| Storeys | 14 |
| Dwelling units | 153 |
| Unit mix (sold) | 3-room ×111 · 4-room ×39 · 5-room ×3 |
| Recorded resales | 234 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| 3-Room | $355,000 | $5,173/m² | 4 |
| 4-Room | $490,000 | $5,326/m² | 2 |
Median monthly rent at this block: $2,800/mo (10 rental contracts, last 12 months).
Estimated gross rental yield: ~8.6% (Clementi average: ~6.3%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 100% of Clementi blocks with recent sales.
For a typical 3-room flat here, our price model estimates $388,421–$434,504 (central estimate $411,462). Recent sales — median $383,431 — sit below 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 | $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 | $350,000 | $350,000 | 1 |
| Record sale | $640,000 (5-Room, 2021-11) |
|---|---|
| First recorded sale | $47,000 (1990-01) |
| Busiest year | 1999 · 19 sales |
| 10-year change (real) | +6% (+0.6%/yr, 2016→2026) |
| Total transacted | $52.6M across 234 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2026-06 | 3-Room | 07 TO 09 | 67 | $350,000 |
| 2025-07 | 4-Room | 13 TO 15 | 92 | $510,000 |
| 2025-06 | 4-Room | 01 TO 03 | 92 | $470,000 |
| 2025-04 | 3-Room | 04 TO 06 | 82 | $420,000 |
| 2025-03 | 3-Room | 01 TO 03 | 67 | $340,000 |
| 2024-12 | 3-Room | 01 TO 03 | 67 | $360,000 |
| 2024-07 | 3-Room | 04 TO 06 | 67 | $360,000 |
| 2024-07 | 4-Room | 01 TO 03 | 92 | $420,000 |
| 2024-04 | 3-Room | 01 TO 03 | 67 | $345,000 |
| 2024-04 | 3-Room | 01 TO 03 | 67 | $348,000 |
| 2024-04 | 3-Room | 13 TO 15 | 67 | $380,000 |
| 2023-11 | 4-Room | 13 TO 15 | 92 | $528,000 |
| 2022-10 | 3-Room | 13 TO 15 | 67 | $358,000 |
| 2022-10 | 4-Room | 07 TO 09 | 92 | $469,000 |
| 2022-09 | 3-Room | 13 TO 15 | 67 | $380,888 |
| 2022-04 | 3-Room | 13 TO 15 | 67 | $355,000 |
| 2022-02 | 4-Room | 07 TO 09 | 92 | $428,000 |
| 2022-01 | 4-Room | 13 TO 15 | 92 | $435,000 |
| 2021-11 | 3-Room | 13 TO 15 | 67 | $372,000 |
| 2021-11 | 5-Room | 04 TO 06 | 134 | $640,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 511 | $510,000 | $5,604/m² |
| 2. Blk 512 | $488,000 | $5,363/m² |
| 3. Blk 507 | $455,000 | $5,857/m² |
| 4. Blk 510 | $395,000 | $5,673/m² |
| 5. Blk 509 | $390,000 | $5,173/m² |
| 6. Blk 506 | $378,888 | $5,655/m² |
| 7. Blk 508 | $362,000 | $5,403/m² |
The median resale price over the last 24 months is $390,000 (6 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 $388,421–$434,504 (central estimate $411,462). Recent sales — median $383,431 — sit below that range.
The median monthly rent is $2,800/mo over the last 12 months (10 contracts).
The block was completed in 1977 and its 99-year lease runs from 1978.