4-Room resale prices at Blk 509A Yishun Ave 4
Resales from Jan 2017 to Jul 2026 · single-unit sales only
What do 4-room flats at Blk 509A Yishun Ave 4 sell for?
Median price since Jan 201725th to 75th percentile · S$5,914 psm median (S$5,591 psm – S$6,241 psm) · from 15 recorded sales
15 recorded resales of 4-room flats at Blk 509A Yishun Ave 4 since Jan 2017 had a median price of S$550,000 (25th to 75th percentile S$520,000 to S$580,440) and a median S$5,914 psm (S$5,591 psm to S$6,241 psm). Latest recorded sale Jul 2026. Indicative, from recorded HDB resale prices.
Latest sale
S$580,000 · 93 sqm · S$6,237 psm · Jul 2026 · storeys 4 to 6
The latest sale, in Jul 2026, had 90 years 10 months of lease remaining, as HDB recorded it.
By year
| Year | Sales | Median price | 25th to 75th percentile | Median psm |
|---|---|---|---|---|
| 2022 | 8 | S$520,000 | S$517,500 – S$531,250 | S$5,591 psm |
| 2023 | 3 | S$580,000 | S$558,000 – S$580,440 | S$6,237 psm |
| 2025 | 2 | S$635,000 | S$617,500 – S$652,500 | S$6,828 psm |
| 2026 | 2 | S$590,400 | S$585,200 – S$595,600 | S$6,348 psm |
Which storeys sold?
| Storeys | Sales |
|---|---|
| Storeys 1 to 3 | 1 |
| Storeys 4 to 6 | 8 |
| Storeys 7 to 9 | 5 |
| Storeys 10 to 12 | 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.