Blk 520 Serangoon Nth Ave 4 is an HDB block in Serangoon (completed in 1991, 9 storeys, 72 units). As of Jul 2026, its median resale price over the last 24 months is $1,059,000, about 36% above the Serangoon median, from 4 sales. 100 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Serangoon |
|---|---|
| Completed | 1991 |
| Lease from | 1992 |
| Storeys | 9 |
| Dwelling units | 72 |
| Unit mix (sold) | exec ×72 |
| Recorded resales | 100 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| Executive | $1,059,000 | $7,156/m² | 4 |
Median monthly rent at this block: $3,400/mo (2 rental contracts, last 12 months).
Estimated gross rental yield: ~3.9% (Serangoon average: ~5.1%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 42% of Serangoon blocks with recent sales.
For a typical executive flat here, our price model estimates $921,725–$1,031,082 (central estimate $976,403). Recent sales — median $981,486 — 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 |
|---|---|---|---|
| 1995 | $465,000 | $767,292 | 1 |
| 1996 | $590,000 | $960,299 | 10 |
| 1997 | $566,500 | $903,768 | 8 |
| 1998 | $488,500 | $781,456 | 10 |
| 1999 | $440,000 | $703,703 | 9 |
| 2000 | $507,000 | $800,066 | 1 |
| 2001 | $450,500 | $703,775 | 2 |
| 2002 | $422,000 | $661,844 | 3 |
| 2003 | $380,000 | $593,079 | 1 |
| 2004 | $363,000 | $557,229 | 1 |
| 2005 | $348,000 | $531,688 | 3 |
| 2006 | $331,000 | $500,876 | 2 |
| 2007 | $350,500 | $519,423 | 2 |
| 2008 | $429,000 | $596,196 | 4 |
| 2009 | $445,000 | $614,816 | 3 |
| 2010 | $540,000 | $725,544 | 2 |
| 2011 | $596,500 | $761,467 | 2 |
| 2012 | $650,000 | $793,416 | 7 |
| 2013 | $688,000 | $820,408 | 1 |
| 2014 | $565,000 | $666,840 | 1 |
| 2015 | $659,000 | $781,872 | 2 |
| 2016 | $646,000 | $770,525 | 4 |
| 2017 | $700,000 | $830,146 | 2 |
| 2018 | $656,000 | $774,569 | 4 |
| 2019 | $664,000 | $779,591 | 4 |
| 2020 | $710,000 | $835,037 | 1 |
| 2021 | $742,000 | $852,918 | 1 |
| 2022 | $910,000 | $985,603 | 1 |
| 2023 | $895,000 | $924,663 | 2 |
| 2024 | $938,000 | $946,470 | 3 |
| 2025 | $1,060,000 | $1,060,000 | 3 |
| Record sale | $1,080,000 (Executive, 2025-12) |
|---|---|
| First recorded sale | $465,000 (1995-09) |
| Busiest year | 1996 · 10 sales |
| 10-year change (real) | +36% (+3.1%/yr, 2015→2025) |
| Total transacted | $57.5M across 100 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-12 | Executive | 07 TO 09 | 147 | $1,080,000 |
| 2025-05 | Executive | 04 TO 06 | 147 | $1,058,000 |
| 2025-02 | Executive | 07 TO 09 | 149 | $1,060,000 |
| 2024-09 | Executive | 01 TO 03 | 147 | $880,000 |
| 2024-06 | Executive | 04 TO 06 | 147 | $938,000 |
| 2024-04 | Executive | 04 TO 06 | 147 | $948,000 |
| 2023-08 | Executive | 01 TO 03 | 149 | $840,000 |
| 2023-07 | Executive | 04 TO 06 | 156 | $950,000 |
| 2022-06 | Executive | 04 TO 06 | 147 | $910,000 |
| 2021-02 | Executive | 04 TO 06 | 154 | $742,000 |
| 2020-08 | Executive | 04 TO 06 | 149 | $710,000 |
| 2019-08 | Executive | 04 TO 06 | 147 | $660,000 |
| 2019-06 | Executive | 01 TO 03 | 156 | $668,000 |
| 2019-06 | Executive | 04 TO 06 | 147 | $688,000 |
| 2019-04 | Executive | 07 TO 09 | 147 | $660,000 |
| 2018-12 | Executive | 01 TO 03 | 149 | $634,000 |
| 2018-11 | Executive | 07 TO 09 | 156 | $718,000 |
| 2018-09 | Executive | 04 TO 06 | 149 | $657,000 |
| 2018-08 | Executive | 04 TO 06 | 147 | $655,000 |
| 2017-10 | Executive | 07 TO 09 | 147 | $720,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 519 | $1,193,084 | $8,033/m² |
| 2. Blk 506A | $1,130,000 | $7,740/m² |
| 3. Blk 527 | $1,092,500 | $7,483/m² |
| 4. Blk 526 | $1,083,000 | $7,318/m² |
| 5. Blk 520 | $1,059,000 | $7,156/m² |
| 6. Blk 537 | $1,059,000 | $7,204/m² |
| 7. Blk 525 | $1,038,888 | $7,000/m² |
| 8. Blk 542 | $1,015,444 | $6,908/m² |
| 9. Blk 506 | $1,010,000 | $6,966/m² |
| 10. Blk 539 | $1,008,944 | $6,864/m² |
| 11. Blk 535 | $983,888 | $6,693/m² |
| 12. Blk 506B | $970,000 | $6,644/m² |
| 13. Blk 507 | $840,000 | $6,942/m² |
| 14. Blk 523 | $827,500 | $6,783/m² |
| 15. Blk 510 | $808,000 | $6,790/m² |
Showing the top 15 of 40 blocks.
The median resale price over the last 24 months is $1,059,000 (4 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 $921,725–$1,031,082 (central estimate $976,403). Recent sales — median $981,486 — sit within that range.
The median monthly rent is $3,400/mo over the last 12 months (2 contracts).
The block was completed in 1991 and its 99-year lease runs from 1992.