4-Room resale prices at Blk 509B Yishun Ave 4
Resales from Jan 2017 to Apr 2026 · single-unit sales only
What do 4-room flats at Blk 509B Yishun Ave 4 sell for?
Median price since Jan 201725th to 75th percentile · S$6,053 psm median (S$5,841 psm – S$6,315 psm) · from 16 recorded sales
16 recorded resales of 4-room flats at Blk 509B Yishun Ave 4 since Jan 2017 had a median price of S$562,944 (25th to 75th percentile S$543,250 to S$587,250) and a median S$6,053 psm (S$5,841 psm to S$6,315 psm). Latest recorded sale Apr 2026. Indicative, from recorded HDB resale prices.
Latest sale
S$560,000 · 93 sqm · S$6,022 psm · Apr 2026 · storeys 4 to 6
The latest sale, in Apr 2026, had 91 years 1 month of lease remaining, as HDB recorded it.
By year
| Year | Sales | Median price | 25th to 75th percentile | Median psm |
|---|---|---|---|---|
| 2022 | 5 | S$536,000 | S$522,000 – S$538,000 | S$5,763 psm |
| 2023 | 2 | S$552,944 | S$548,972 – S$556,916 | S$5,946 psm |
| 2024 | 3 | S$583,000 | S$574,000 – S$591,500 | S$6,269 psm |
| 2025 | 3 | S$611,000 | S$590,500 – S$611,500 | S$6,570 psm |
| 2026 | 3 | S$570,000 | S$565,000 – S$610,000 | S$6,129 psm |
Which storeys sold?
| Storeys | Sales |
|---|---|
| Storeys 1 to 3 | 2 |
| Storeys 4 to 6 | 6 |
| Storeys 7 to 9 | 1 |
| Storeys 10 to 12 | 6 |
| Storeys 13 to 15 | 1 |
How this is worked out
Every figure is HDB resales of this flat type in this block with a contract date since Jan 2017, leaving out sales flagged at ingest as unrepresentative (such as related-party transfers and statistical outliers). A page is published only with at least 5 such sales. Storeys are the ranges HDB records, not exact floors.