Blk 138 Rivervale St is an HDB block in Sengkang (completed in 1997, 17 storeys, 63 units). As of Jul 2026, its median resale price over the last 24 months is $860,000, about 32% above the Sengkang median, from 2 sales. 45 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Sengkang |
|---|---|
| Completed | 1997 |
| Lease from | 1999 |
| Storeys | 17 |
| Dwelling units | 63 |
| Unit mix (sold) | exec ×63 |
| Recorded resales | 45 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| Executive | $860,000 | $6,099/m² | 2 |
Median monthly rent at this block: $3,800/mo (1 rental contracts, last 12 months).
Estimated gross rental yield: ~5.3% (Sengkang average: ~6.0%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 67% of Sengkang blocks with recent sales.
For a typical executive flat here, our price model estimates $715,617–$800,521 (central estimate $758,069). Recent sales — median $773,029 — 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 |
|---|---|---|---|
| 2004 | $352,500 | $541,111 | 4 |
| 2005 | $338,000 | $516,409 | 3 |
| 2006 | $337,000 | $509,955 | 1 |
| 2007 | $377,000 | $558,695 | 5 |
| 2008 | $451,500 | $627,465 | 2 |
| 2009 | $417,500 | $576,821 | 2 |
| 2010 | $480,000 | $644,928 | 3 |
| 2012 | $577,500 | $704,920 | 2 |
| 2013 | $640,000 | $763,170 | 1 |
| 2014 | $608,000 | $717,591 | 1 |
| 2015 | $655,000 | $777,126 | 1 |
| 2016 | $529,000 | $630,972 | 2 |
| 2017 | $552,500 | $655,222 | 2 |
| 2018 | $558,000 | $658,856 | 3 |
| 2019 | $620,000 | $727,931 | 1 |
| 2020 | $584,000 | $686,847 | 2 |
| 2021 | $667,500 | $767,282 | 4 |
| 2022 | $655,000 | $709,418 | 3 |
| 2024 | $840,000 | $847,585 | 3 |
| Record sale | $880,000 (Executive, 2024-12) |
|---|---|
| First recorded sale | $368,000 (2004-05) |
| Busiest year | 2007 · 5 sales |
| 10-year change (real) | +18% (+1.7%/yr, 2014→2024) |
| Total transacted | $23.7M across 45 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2024-12 | Executive | 10 TO 12 | 141 | $880,000 |
| 2024-10 | Executive | 10 TO 12 | 141 | $840,000 |
| 2024-03 | Executive | 16 TO 18 | 142 | $838,000 |
| 2022-08 | Executive | 01 TO 03 | 141 | $650,000 |
| 2022-02 | Executive | 04 TO 06 | 141 | $655,000 |
| 2022-01 | Executive | 07 TO 09 | 141 | $680,000 |
| 2021-11 | Executive | 04 TO 06 | 140 | $655,000 |
| 2021-11 | Executive | 13 TO 15 | 141 | $690,000 |
| 2021-07 | Executive | 10 TO 12 | 140 | $680,000 |
| 2021-04 | Executive | 04 TO 06 | 140 | $600,000 |
| 2020-10 | Executive | 01 TO 03 | 141 | $550,000 |
| 2020-10 | Executive | 10 TO 12 | 141 | $618,000 |
| 2019-12 | Executive | 13 TO 15 | 141 | $620,000 |
| 2018-08 | Executive | 16 TO 18 | 142 | $618,000 |
| 2018-03 | Executive | 10 TO 12 | 141 | $555,000 |
| 2018-02 | Executive | 04 TO 06 | 140 | $558,000 |
| 2017-10 | Executive | 07 TO 09 | 141 | $530,000 |
| 2017-05 | Executive | 16 TO 18 | 142 | $575,000 |
| 2016-08 | Executive | 04 TO 06 | 141 | $500,000 |
| 2016-04 | Executive | 16 TO 18 | 140 | $558,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 139 | $888,000 | $6,254/m² |
| 2. Blk 135 | $864,000 | $6,081/m² |
| 3. Blk 138 | $860,000 | $6,099/m² |
| 4. Blk 137 | $856,500 | $6,074/m² |
| 5. Blk 136 | $850,000 | $6,036/m² |
| 6. Blk 134 | $682,500 | $5,702/m² |
| 7. Blk 125 | $669,000 | $5,768/m² |
| 8. Blk 133 | $660,444 | $5,456/m² |
| 9. Blk 126 | $645,000 | $5,375/m² |
| 10. Blk 132 | $620,000 | $5,550/m² |
| 11. Blk 141 | $615,000 | $5,792/m² |
| 12. Blk 128 | $601,500 | $5,725/m² |
| 13. Blk 129 | $592,500 | $5,850/m² |
| 14. Blk 130 | $580,000 | $5,750/m² |
| 15. Blk 127 | $572,000 | $5,720/m² |
Showing the top 15 of 17 blocks.
The median resale price over the last 24 months is $860,000 (2 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical executive flat here, our price model estimates $715,617–$800,521 (central estimate $758,069). Recent sales — median $773,029 — sit within that range.
The median monthly rent is $3,800/mo over the last 12 months (1 contracts).
The block was completed in 1997 and its 99-year lease runs from 1999.