5-Room resale prices at Blk 509B Yishun Ave 4
Resales from Jan 2017 to Aug 2026 · single-unit sales only
What do 5-room flats at Blk 509B Yishun Ave 4 sell for?
Median price since Jan 201725th to 75th percentile · S$6,018 psm median (S$5,889 psm – S$6,398 psm) · from 11 recorded sales
11 recorded resales of 5-room flats at Blk 509B Yishun Ave 4 since Jan 2017 had a median price of S$680,000 (25th to 75th percentile S$665,500 to S$723,000) and a median S$6,018 psm (S$5,889 psm to S$6,398 psm). Latest recorded sale Aug 2026. Indicative, from recorded HDB resale prices.
Latest sale
S$782,000 · 113 sqm · S$6,920 psm · Aug 2026 · storeys 10 to 12
The latest sale, in Aug 2026, had 90 years 8 months of lease remaining, as HDB recorded it.
By year
| Year | Sales | Median price | 25th to 75th percentile | Median psm |
|---|---|---|---|---|
| 2022 | 4 | S$655,000 | S$648,750 – S$662,750 | S$5,796 psm |
| 2023 | 1 | S$675,000 | one sale | S$5,973 psm |
| 2024 | 1 | S$738,000 | one sale | S$6,531 psm |
| 2025 | 3 | S$690,000 | S$685,000 – S$699,000 | S$6,106 psm |
| 2026 | 2 | S$762,500 | S$752,750 – S$772,250 | S$6,748 psm |
Which storeys sold?
| Storeys | Sales |
|---|---|
| Storeys 4 to 6 | 3 |
| Storeys 7 to 9 | 3 |
| Storeys 10 to 12 | 5 |
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.