Blk 517 Serangoon North Avenue 4 — HDB resale prices
HDB resale prices, Serangoon · 4-Room · built 1990
median resale price, last 24 months
1 sale in that window · as of Sep 2026
How it compares
Blk 517 Serangoon North Avenue 4 is an HDB block in Serangoon (completed in 1990, 12 storeys, 110 units). As of Sep 2026, its median resale price over the last 24 months is $678,000, about 1% above the Serangoon median, from 1 sales. 95 resale transactions have been recorded here since 1990.
Price by year
At a glance
Unit mix (sold): 4-room ×70 · 5-room ×40
Prices by flat type — last 24 months (as of Sep 2026)
Median monthly rent at this block: $3,200/mo (3 rental contracts, last 12 months).
Estimated gross rental yield: ~5.7% (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 68% of Serangoon blocks with recent sales.
What the price model says
For a typical 4-room flat here, our price model estimates $560,741–$626,892 (central estimate $593,816). Recent sales — median $525,294 — 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 | $350,500 | $570,483 | 16 |
| 1997 | $420,400 | $670,687 | 8 |
| 1998 | $338,000 | $540,700 | 2 |
| 1999 | $315,500 | $504,587 | 10 |
| 2000 | $360,000 | $568,094 | 3 |
| 2001 | $256,750 | $401,097 | 6 |
| 2002 | $227,500 | $356,800 | 4 |
| 2003 | $269,000 | $419,837 | 2 |
| 2004 | $221,000 | $339,250 | 3 |
| 2005 | $234,000 | $357,514 | 6 |
| 2006 | $263,000 | $397,977 | 1 |
| 2007 | $250,000 | $370,487 | 3 |
| 2008 | $358,000 | $497,525 | 3 |
| 2009 | $377,500 | $521,557 | 6 |
| 2010 | $355,000 | $476,978 | 3 |
| 2011 | $400,000 | $510,623 | 1 |
| 2012 | $543,000 | $662,808 | 3 |
| 2013 | $460,000 | $548,528 | 1 |
| 2014 | $420,000 | $495,704 | 1 |
| 2015 | $412,000 | $488,818 | 1 |
| 2016 | $406,000 | $484,262 | 1 |
| 2017 | $447,000 | $530,107 | 2 |
| 2018 | $500,000 | $590,373 | 2 |
| 2021 | $462,000 | $531,062 | 1 |
| 2022 | $485,000 | $525,294 | 3 |
| 2023 | $707,500 | $730,949 | 2 |
| 2026 | $678,000 | $678,000 | 1 |
Records
| Record sale | $785,000 (5-Room, 2023-07) |
|---|---|
| First recorded sale | $290,000 (1996-01) |
| Busiest year | 1996 · 16 sales |
| 10-year change (real) | +40% (+3.4%/yr, 2016→2026) |
| Total transacted | $34.0M across 95 sales |
Recent resale transactions
| Month | Flat type | Storey | Area | Price |
|---|---|---|---|---|
| 2026-06 | 4-Room | 10–12 | 104 m² | $678,000 |
| 2023-07 | 5-Room | 10–12 | 122 m² | $785,000 |
| 2023-01 | 5-Room | 01–03 | 122 m² | $630,000 |
| 2022-07 | 4-Room | 01–03 | 104 m² | $485,000 |
| 2022-05 | 4-Room | 04–06 | 104 m² | $485,000 |
| 2022-03 | 5-Room | 07–09 | 122 m² | $660,000 |
| 2021-08 | 4-Room | 10–12 | 104 m² | $462,000 |
| 2018-04 | 5-Room | 10–12 | 122 m² | $500,000 |
| 2018-04 | 5-Room | 04–06 | 122 m² | $500,000 |
| 2017-07 | 4-Room | 10–12 | 104 m² | $395,000 |
| 2017-06 | 5-Room | 10–12 | 122 m² | $499,000 |
| 2016-06 | 4-Room | 04–06 | 104 m² | $406,000 |
| 2015-12 | 4-Room | 10–12 | 104 m² | $412,000 |
| 2014-03 | 4-Room | 07–09 | 104 m² | $420,000 |
| 2013-07 | 4-Room | 10–12 | 104 m² | $460,000 |
| 2012-08 | 5-Room | 10–12 | 122 m² | $553,888 |
| 2012-08 | 4-Room | 01–03 | 104 m² | $401,000 |
| 2012-03 | 5-Room | 06–10 | 122 m² | $543,000 |
| 2011-10 | 4-Room | 01–03 | 104 m² | $400,000 |
| 2010-08 | 4-Room | 04–06 | 104 m² | $355,000 |
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 517 Serangoon North Avenue 4 cost?
The median resale price over the last 24 months is $678,000 (1 sales, as of Sep 2026). See the by-type table above for 3-room vs 4-room medians.
Is Blk 517 Serangoon North Avenue 4 fairly priced?
For a typical 4-room flat here, our price model estimates $560,741–$626,892 (central estimate $593,816). Recent sales — median $525,294 — sit below that range.
What is the rent at Blk 517 Serangoon North Avenue 4?
The median monthly rent is $3,200/mo over the last 12 months (3 contracts).
How old is Blk 517 Serangoon North Avenue 4?
The block was completed in 1990 and its 99-year lease runs from 1992.