Blk 523 Serangoon North Avenue 4 — HDB resale prices
HDB resale prices, Serangoon · 4-Room, 5-Room · built 1990
median resale price, last 24 months
5 sales in that window · as of Sep 2026
How it compares
Blk 523 Serangoon North Avenue 4 is an HDB block in Serangoon (completed in 1990, 12 storeys, 88 units). As of Sep 2026, its median resale price over the last 24 months is $825,000, about 23% above the Serangoon median, from 5 sales. 119 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 4-room ×48 · 5-room ×40
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $3,550/mo (2 rental contracts, last 12 months).
Estimated gross rental yield: ~5.2% (Serangoon 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 60% of Serangoon blocks with recent sales.
What the price model says
For a typical 4-room flat here, our price model estimates $578,926–$647,222 (central estimate $613,074). Recent sales — median $579,341 — 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 |
|---|---|---|---|
| 1994 | $105,000 | $176,248 | 1 |
| 1995 | $348,000 | $574,231 | 4 |
| 1996 | $436,000 | $709,645 | 10 |
| 1997 | $415,000 | $662,072 | 5 |
| 1998 | $331,000 | $529,502 | 6 |
| 1999 | $339,500 | $542,971 | 7 |
| 2000 | $285,500 | $450,530 | 4 |
| 2001 | $258,000 | $403,050 | 3 |
| 2002 | $234,500 | $367,778 | 8 |
| 2003 | $227,500 | $355,067 | 4 |
| 2004 | $185,000 | $283,987 | 1 |
| 2005 | $215,000 | $328,485 | 5 |
| 2006 | $232,000 | $351,067 | 1 |
| 2007 | $284,000 | $420,874 | 6 |
| 2008 | $350,000 | $486,407 | 7 |
| 2009 | $339,750 | $469,401 | 6 |
| 2010 | $407,000 | $546,845 | 7 |
| 2011 | $407,500 | $520,198 | 2 |
| 2012 | $532,500 | $649,991 | 2 |
| 2013 | $460,000 | $548,528 | 3 |
| 2014 | $428,000 | $505,146 | 3 |
| 2016 | $450,000 | $536,743 | 3 |
| 2017 | $480,000 | $569,243 | 1 |
| 2018 | $510,000 | $602,180 | 3 |
| 2019 | $492,500 | $578,236 | 2 |
| 2020 | $463,444 | $545,060 | 2 |
| 2021 | $504,000 | $579,341 | 4 |
| 2022 | $500,000 | $541,540 | 1 |
| 2023 | $650,000 | $671,543 | 3 |
| 2025 | $827,500 | $827,500 | 4 |
| 2026 | $653,000 | $653,000 | 1 |
Records
| Record sale | $830,888 (5-Room, 2025-04) |
|---|---|
| First recorded sale | $105,000 (1994-01) |
| Busiest year | 1996 · 10 sales |
| 10-year change (real) | +22% (+2.0%/yr, 2016→2026) |
| Total transacted | $45.9M across 119 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-08 | 4-Room | 04–06 | 104 m² | $653,000 |
| 2025-12 | 5-Room | 04–06 | 122 m² | $825,000 |
| 2025-08 | 4-Room | 10–12 | 104 m² | $670,000 |
| 2025-06 | 5-Room | 04–06 | 122 m² | $830,000 |
| 2025-04 | 5-Room | 07–09 | 122 m² | $830,888 |
| 2023-11 | 5-Room | 01–03 | 122 m² | $667,000 |
| 2023-03 | 5-Room | 01–03 | 122 m² | $650,000 |
| 2023-03 | 4-Room | 07–09 | 104 m² | $520,000 |
| 2022-07 | 4-Room | 07–09 | 104 m² | $500,000 |
| 2021-11 | 4-Room | 01–03 | 104 m² | $520,000 |
| 2021-11 | 4-Room | 10–12 | 104 m² | $488,000 |
| 2021-06 | 5-Room | 07–09 | 122 m² | $580,000 |
| 2021-04 | 4-Room | 04–06 | 104 m² | $475,000 |
| 2020-12 | 5-Room | 01–03 | 122 m² | $468,888 |
| 2020-06 | 5-Room | 01–03 | 122 m² | $458,000 |
| 2019-12 | 5-Room | 04–06 | 122 m² | $465,000 |
| 2019-07 | 5-Room | 07–09 | 122 m² | $520,000 |
| 2018-08 | 5-Room | 07–09 | 122 m² | $528,000 |
| 2018-04 | 5-Room | 04–06 | 122 m² | $485,000 |
| 2018-03 | 5-Room | 04–06 | 122 m² | $510,000 |
Serangoon North Avenue 4 blocks ranked by price
Showing the top 15 of 41 priced blocks.
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Quick answers
How much does a flat at Blk 523 Serangoon North Avenue 4 cost?
The median resale price over the last 24 months is $825,000 (5 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 523 Serangoon North Avenue 4 fairly priced?
For a typical 4-room flat here, our price model estimates $578,926–$647,222 (central estimate $613,074). Recent sales — median $579,341 — sit within that range.
What is the rent at Blk 523 Serangoon North Avenue 4?
The median monthly rent is $3,550/mo over the last 12 months (2 contracts).
How old is Blk 523 Serangoon North Avenue 4?
The block was completed in 1990 and its 99-year lease runs from 1992.