Blk 509A Yishun Ave 4
$600,800
Median 4-room resale here, 3 in the 12 months to September 2026
$682,000
Latest resale, September 2026: 5-room, storeys 04 to 06, 113 sqm
34
Resales since April 2022
Blk 509A Yishun Ave 4 in Yishun has had 34 resales registered since April 2022. The latest, in September 2026, was a 5-room on storeys 04 to 06 (113 sqm) at $682,000. Over the 12 months to September 2026, 3 4-room flats here resold at a median $600,800, against $550,000 for a 4-room across Yishun.
- Completed 2017
- Lease from 2018
- 13 storeys
- 108 flats
HDB's count of flats in the block, sold flats: 48 4-room, 60 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 | Yishun median | Resales here |
|---|---|---|---|
| 4-room | $600,800 | $550,000 | 3 |
| 5-room | fewer than 3 | $690,444 | 1 |
Resales registered from October 2025 to September 2026. A median needs at least 3 resales.
Every resale since April 2022
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 |
|---|---|---|---|---|---|---|---|
| Sep 2026 | $682,000 | 5-room | 04 to 06 | 113 sqm | 90 years 08 months | Improved | 2018 |
| Jul 2026 | $580,000 | 4-room | 04 to 06 | 93 sqm | 90 years 10 months | Model A | 2018 |
| May 2026 | $600,800 | 4-room | 04 to 06 | 93 sqm | 91 years | Model A | 2018 |
| Nov 2025 | $670,000 | 4-room | 10 to 12 | 93 sqm | 91 years 05 months | Model A | 2018 |
| Jun 2025 | $745,888 | 5-room | 07 to 09 | 113 sqm | 91 years 11 months | Improved | 2018 |
| Jun 2025 | $600,000 | 4-room | 04 to 06 | 93 sqm | 91 years 11 months | Model A | 2018 |
| May 2025 | $723,000 | 5-room | 04 to 06 | 113 sqm | 92 years | Improved | 2018 |
| Nov 2024 | $708,000 | 5-room | 07 to 09 | 113 sqm | 92 years 06 months | Improved | 2018 |
| Oct 2024 | $745,000 | 5-room | 10 to 12 | 113 sqm | 92 years 07 months | Improved | 2018 |
| Jun 2024 | $700,000 | 5-room | 04 to 06 | 113 sqm | 92 years 11 months | Improved | 2018 |
| Dec 2023 | $710,000 | 5-room | 13 to 15 | 113 sqm | 93 years 05 months | Improved | 2018 |
| Nov 2023 | $715,000 | 5-room | 10 to 12 | 113 sqm | 93 years 06 months | Improved | 2018 |
| Sep 2023 | $695,000 | 5-room | 04 to 06 | 113 sqm | 93 years 08 months | Improved | 2018 |
| Aug 2023 | $620,000 | 5-room | 01 to 03 | 113 sqm | 93 years 09 months | Improved | 2018 |
| Jul 2023 | $675,000 | 5-room | 04 to 06 | 113 sqm | 93 years 10 months | Improved | 2018 |
| Jun 2023 | $580,880 | 4-room | 07 to 09 | 93 sqm | 93 years 11 months | Model A | 2018 |
| Feb 2023 | $536,000 | 4-room | 04 to 06 | 93 sqm | 94 years 03 months | Model A | 2018 |
| Jan 2023 | $580,000 | 4-room | 07 to 09 | 93 sqm | 94 years 04 months | Model A | 2018 |
| Sep 2022 | $550,000 | 4-room | 04 to 06 | 93 sqm | 94 years 08 months | Model A | 2018 |
| Sep 2022 | $520,000 | 4-room | 04 to 06 | 93 sqm | 94 years 08 months | Model A | 2018 |
| Aug 2022 | $690,000 | 5-room | 07 to 09 | 113 sqm | 94 years 09 months | Improved | 2018 |
| Aug 2022 | $520,000 | 4-room | 04 to 06 | 93 sqm | 94 years 09 months | Model A | 2018 |
| Jul 2022 | $660,000 | 5-room | 10 to 12 | 113 sqm | 94 years 10 months | Improved | 2018 |
| Jul 2022 | $565,000 | 4-room | 07 to 09 | 93 sqm | 94 years 10 months | Model A | 2018 |
| Jun 2022 | $680,000 | 5-room | 10 to 12 | 113 sqm | 94 years 11 months | Improved | 2018 |
| Jun 2022 | $638,000 | 5-room | 04 to 06 | 113 sqm | 94 years 10 months | Improved | 2018 |
| May 2022 | $760,000 | 5-room | 10 to 12 | 113 sqm | 94 years 11 months | Improved | 2018 |
| May 2022 | $510,000 | 4-room | 04 to 06 | 93 sqm | 95 years | Model A | 2018 |
| Apr 2022 | $705,000 | 5-room | 13 to 15 | 113 sqm | 95 years | Improved | 2018 |
| Apr 2022 | $668,888 | 5-room | 10 to 12 | 113 sqm | 95 years | Improved | 2018 |
| Apr 2022 | $635,000 | 5-room | 07 to 09 | 113 sqm | 95 years 01 month | Improved | 2018 |
| Apr 2022 | $525,000 | 4-room | 07 to 09 | 93 sqm | 95 years 01 month | Model A | 2018 |
| Apr 2022 | $520,000 | 4-room | 07 to 09 | 93 sqm | 95 years 01 month | Model A | 2018 |
| Apr 2022 | $485,000 | 4-room | 01 to 03 | 93 sqm | 95 years | Model A | 2018 |