Blk 509B Yishun Ave 4
$570,000
Median 4-room resale here, 4 in the 12 months to September 2026
$782,000
Latest resale, August 2026: 5-room, storeys 10 to 12, 113 sqm
27
Resales since March 2022
Blk 509B Yishun Ave 4 in Yishun has had 27 resales registered since March 2022. The latest, in August 2026, was a 5-room on storeys 10 to 12 (113 sqm) at $782,000. Over the 12 months to September 2026, 4 4-room flats here resold at a median $570,000, against $550,000 for a 4-room across Yishun.
- Completed 2016
- Lease from 2018
- 13 storeys
- 96 flats
HDB's count of flats in the block, sold flats: 48 4-room, 48 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 | $570,000 | $550,000 | 4 |
| 5-room | $716,500 | $690,444 | 4 |
Resales registered from October 2025 to September 2026. A median needs at least 3 resales.
Every resale since March 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 |
|---|---|---|---|---|---|---|---|
| Aug 2026 | $782,000 | 5-room | 10 to 12 | 113 sqm | 90 years 08 months | Improved | 2018 |
| Apr 2026 | $560,000 | 4-room | 04 to 06 | 93 sqm | 91 years 01 month | Model A | 2018 |
| Mar 2026 | $743,000 | 5-room | 07 to 09 | 113 sqm | 91 years 02 months | Improved | 2018 |
| Mar 2026 | $650,000 | 4-room | 10 to 12 | 93 sqm | 91 years 02 months | Model A | 2018 |
| Feb 2026 | $570,000 | 4-room | 01 to 03 | 93 sqm | 91 years 03 months | Model A | 2018 |
| Dec 2025 | $570,000 | 4-room | 01 to 03 | 93 sqm | 91 years 06 months | Model A | 2018 |
| Nov 2025 | $690,000 | 5-room | 04 to 06 | 113 sqm | 91 years 06 months | Improved | 2018 |
| Oct 2025 | $680,000 | 5-room | 04 to 06 | 113 sqm | 91 years 07 months | Improved | 2018 |
| Sep 2025 | $708,000 | 5-room | 04 to 06 | 113 sqm | 91 years 08 months | Improved | 2018 |
| Aug 2025 | $612,000 | 4-room | 04 to 06 | 93 sqm | 91 years 08 months | Model A | 2018 |
| Jan 2025 | $611,000 | 4-room | 04 to 06 | 93 sqm | 92 years 05 months | Model A | 2018 |
| Aug 2024 | $738,000 | 5-room | 10 to 12 | 113 sqm | 92 years 09 months | Improved | 2018 |
| Aug 2024 | $600,000 | 4-room | 10 to 12 | 93 sqm | 92 years 10 months | Model A | 2018 |
| Feb 2024 | $583,000 | 4-room | 10 to 12 | 93 sqm | 93 years 03 months | Model A | 2018 |
| Jan 2024 | $565,000 | 4-room | 10 to 12 | 93 sqm | 93 years 03 months | Model A | 2018 |
| Nov 2023 | $560,888 | 4-room | 04 to 06 | 93 sqm | 93 years 06 months | Model A | 2018 |
| Oct 2023 | $545,000 | 4-room | 04 to 06 | 93 sqm | 93 years 06 months | Model A | 2018 |
| Jan 2023 | $675,000 | 5-room | 10 to 12 | 113 sqm | 94 years 04 months | Improved | 2018 |
| Aug 2022 | $650,000 | 5-room | 07 to 09 | 113 sqm | 94 years 09 months | Improved | 2018 |
| Aug 2022 | $555,888 | 4-room | 10 to 12 | 93 sqm | 94 years 09 months | Model A | 2018 |
| Jul 2022 | $671,000 | 5-room | 10 to 12 | 113 sqm | 94 years 10 months | Improved | 2018 |
| Jul 2022 | $660,000 | 5-room | 10 to 12 | 113 sqm | 94 years 10 months | Improved | 2018 |
| Apr 2022 | $488,000 | 4-room | 04 to 06 | 93 sqm | 95 years 01 month | Model A | 2018 |
| Mar 2022 | $645,000 | 5-room | 07 to 09 | 113 sqm | 95 years 01 month | Improved | 2018 |
| Mar 2022 | $538,000 | 4-room | 13 to 15 | 93 sqm | 95 years 02 months | Model A | 2018 |
| Mar 2022 | $536,000 | 4-room | 10 to 12 | 93 sqm | 95 years 01 month | Model A | 2018 |
| Mar 2022 | $522,000 | 4-room | 07 to 09 | 93 sqm | 95 years 01 month | Model A | 2018 |