Blk 509 Serangoon Nth Ave 4
Not shown
Fewer than 3 resales of any one flat type in the 12 months to September 2026, so no median
$660,000
Latest resale, January 2026: 4-room, storeys 04 to 06, 101 sqm
19
Resales since July 2017
Blk 509 Serangoon Nth Ave 4 in Serangoon has had 19 resales registered since July 2017. The latest, in January 2026, was a 4-room on storeys 04 to 06 (101 sqm) at $660,000. Fewer than 3 resales of any one flat type here in the 12 months to September 2026, so no block median is shown.
- Completed 1996
- Lease from 1997
- 8 storeys
- 87 flats
- commercial units in the block
HDB's count of flats in the block, sold flats: 66 4-room, 21 5-room.
What's my flat worth? A free estimate from registered resales.
Value my flatLast 12 months by flat type
| Flat type | Median here | Serangoon median | Resales here |
|---|---|---|---|
| 4-room | fewer than 3 | $660,000 | 2 |
Resales registered from October 2025 to September 2026. A median needs at least 3 resales.
Every resale since July 2017
Storeys are HDB's published storey ranges. Unit numbers are never shown. Remaining lease is as HDB published it at the time of sale. Month is the month the resale was registered.
| Month | Price | Flat type | Storeys | Floor area | Remaining lease | Model | Lease from |
|---|---|---|---|---|---|---|---|
| Jan 2026 | $660,000 | 4-room | 04 to 06 | 101 sqm | 70 years 06 months | Model A | 1997 |
| Nov 2025 | $610,000 | 4-room | 04 to 06 | 101 sqm | 70 years 08 months | Model A | 1997 |
| Jul 2025 | $623,000 | 4-room | 01 to 03 | 101 sqm | 71 years | Model A | 1997 |
| Jun 2025 | $646,888 | 4-room | 07 to 09 | 102 sqm | 71 years 01 month | Model A | 1997 |
| Apr 2024 | $690,000 | 5-room | 04 to 06 | 120 sqm | 72 years 03 months | Improved | 1997 |
| Apr 2024 | $600,000 | 4-room | 04 to 06 | 101 sqm | 72 years 03 months | Model A | 1997 |
| Jan 2023 | $520,000 | 4-room | 04 to 06 | 102 sqm | 73 years 07 months | Model A | 1997 |
| Dec 2022 | $520,000 | 4-room | 04 to 06 | 102 sqm | 73 years 08 months | Model A | 1997 |
| Jan 2021 | $535,000 | 5-room | 04 to 06 | 120 sqm | 75 years 05 months | Improved | 1997 |
| Mar 2020 | $380,000 | 4-room | 01 to 03 | 102 sqm | 76 years 04 months | Model A | 1997 |
| Jan 2020 | $540,000 | 5-room | 04 to 06 | 119 sqm | 76 years 05 months | Improved | 1997 |
| Mar 2019 | $400,000 | 4-room | 04 to 06 | 101 sqm | 77 years 03 months | Model A | 1997 |
| Nov 2018 | $378,000 | 4-room | 01 to 03 | 102 sqm | 77 years 07 months | Model A | 1997 |
| Aug 2018 | $525,000 | 5-room | 01 to 03 | 120 sqm | 77 years 10 months | Improved | 1997 |
| Aug 2018 | $476,000 | 5-room | 01 to 03 | 120 sqm | 77 years 10 months | Improved | 1997 |
| Apr 2018 | $520,000 | 5-room | 04 to 06 | 120 sqm | 78 years 03 months | Improved | 1997 |
| Mar 2018 | $403,000 | 4-room | 04 to 06 | 102 sqm | 78 years 04 months | Model A | 1997 |
| Sep 2017 | $510,000 | 5-room | 07 to 09 | 120 sqm | 78 years 09 months | Improved | 1997 |
| Jul 2017 | $375,000 | 4-room | 01 to 03 | 101 sqm | 78 years 11 months | Model A | 1997 |