Blk 521 Serangoon North Avenue 4 — HDB resale prices
HDB resale prices, Serangoon · built 1991
last recorded sale · Aug 2023
no resale here in the 24 months to Sep 2026
Blk 521 Serangoon North Avenue 4 is an HDB block in Serangoon (completed in 1991, 12 storeys, 77 units). 88 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 4-room ×55 · 5-room ×22
Median monthly rent at this block: $3,600/mo (1 rental contracts, last 12 months).
What the price model says
For a typical 4-room flat here, our price model estimates $529,626–$592,107 (central estimate $560,866). Recent sales — median $503,632 — 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 |
|---|---|---|---|
| 1996 | $406,000 | $660,816 | 12 |
| 1997 | $372,500 | $594,270 | 4 |
| 1998 | $308,000 | $492,709 | 5 |
| 1999 | $289,000 | $462,205 | 4 |
| 2000 | $287,500 | $453,686 | 6 |
| 2001 | $298,500 | $466,319 | 6 |
| 2002 | $238,000 | $373,268 | 1 |
| 2003 | $239,500 | $373,796 | 2 |
| 2004 | $230,000 | $353,065 | 1 |
| 2005 | $256,000 | $391,127 | 5 |
| 2006 | $230,000 | $348,041 | 3 |
| 2007 | $256,000 | $379,379 | 3 |
| 2008 | $305,000 | $423,869 | 2 |
| 2009 | $320,500 | $442,805 | 2 |
| 2010 | $380,000 | $510,568 | 4 |
| 2011 | $491,900 | $627,939 | 4 |
| 2012 | $451,000 | $550,509 | 1 |
| 2013 | $451,000 | $537,796 | 4 |
| 2014 | $433,250 | $511,343 | 2 |
| 2015 | $418,000 | $495,937 | 1 |
| 2016 | $530,000 | $632,165 | 1 |
| 2017 | $420,000 | $498,087 | 3 |
| 2018 | $471,500 | $556,722 | 2 |
| 2019 | $384,000 | $450,848 | 2 |
| 2020 | $385,000 | $452,802 | 1 |
| 2021 | $445,000 | $511,521 | 2 |
| 2022 | $463,000 | $501,466 | 3 |
| 2023 | $544,000 | $562,030 | 2 |
Records
| Record sale | $558,000 (4-Room, 2023-08) |
|---|---|
| First recorded sale | $283,000 (1996-04) |
| Busiest year | 1996 · 12 sales |
| 10-year change (real) | +5% (+0.4%/yr, 2013→2023) |
| Total transacted | $31.9M across 88 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2023-08 | 4-Room | 04–06 | 106 m² | $558,000 |
| 2023-05 | 4-Room | 04–06 | 106 m² | $530,000 |
| 2022-04 | 4-Room | 01–03 | 103 m² | $463,000 |
| 2022-04 | 4-Room | 01–03 | 106 m² | $410,000 |
| 2022-01 | 4-Room | 01–03 | 103 m² | $465,000 |
| 2021-06 | 4-Room | 10–12 | 106 m² | $480,000 |
| 2021-04 | 4-Room | 04–06 | 106 m² | $410,000 |
| 2020-01 | 4-Room | 01–03 | 106 m² | $385,000 |
| 2019-02 | 4-Room | 07–09 | 106 m² | $438,000 |
| 2019-02 | 4-Room | 01–03 | 106 m² | $330,000 |
| 2018-04 | 5-Room | 10–12 | 122 m² | $500,000 |
| 2018-03 | 5-Room | 01–03 | 123 m² | $443,000 |
| 2017-09 | 5-Room | 07–09 | 122 m² | $485,000 |
| 2017-09 | 4-Room | 04–06 | 106 m² | $400,000 |
| 2017-05 | 4-Room | 07–09 | 106 m² | $420,000 |
| 2016-08 | 5-Room | 07–09 | 123 m² | $530,000 |
| 2015-12 | 4-Room | 04–06 | 106 m² | $418,000 |
| 2014-09 | 4-Room | 10–12 | 106 m² | $430,000 |
| 2014-03 | 4-Room | 04–06 | 106 m² | $436,500 |
| 2013-11 | 4-Room | 07–09 | 106 m² | $442,000 |
Serangoon North Avenue 4 blocks ranked by price
Showing the top 15 of 41 priced blocks.
More blocks on Serangoon North Avenue 4
Quick answers
Is Blk 521 Serangoon North Avenue 4 fairly priced?
For a typical 4-room flat here, our price model estimates $529,626–$592,107 (central estimate $560,866). Recent sales — median $503,632 — sit below that range.
What is the rent at Blk 521 Serangoon North Avenue 4?
The median monthly rent is $3,600/mo over the last 12 months (1 contracts).
How old is Blk 521 Serangoon North Avenue 4?
The block was completed in 1991 and its 99-year lease runs from 1992.