4-Room resale prices at Blk 509C Yishun Ave 4
Resales from Jan 2017 to Apr 2026 · single-unit sales only
What do 4-room flats at Blk 509C Yishun Ave 4 sell for?
Median price since Jan 201725th to 75th percentile · S$5,806 psm median (S$5,591 psm – S$6,075 psm) · from 17 recorded sales
17 recorded resales of 4-room flats at Blk 509C Yishun Ave 4 since Jan 2017 had a median price of S$540,000 (25th to 75th percentile S$520,000 to S$565,000) and a median S$5,806 psm (S$5,591 psm to S$6,075 psm). Latest recorded sale Apr 2026. Indicative, from recorded HDB resale prices.
Latest sale
S$575,000 · 93 sqm · S$6,183 psm · Apr 2026 · storeys 1 to 3
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 |
|---|---|---|---|---|
| 2021 | 1 | S$500,000 | one sale | S$5,376 psm |
| 2022 | 7 | S$530,000 | S$524,000 – S$547,500 | S$5,699 psm |
| 2023 | 5 | S$520,000 | S$520,000 – S$560,000 | S$5,591 psm |
| 2024 | 3 | S$580,888 | S$567,944 – S$592,944 | S$6,246 psm |
| 2026 | 1 | S$575,000 | one sale | S$6,183 psm |
Which storeys sold?
| Storeys | Sales |
|---|---|
| Storeys 1 to 3 | 2 |
| Storeys 4 to 6 | 4 |
| Storeys 7 to 9 | 4 |
| Storeys 10 to 12 | 5 |
| Storeys 13 to 15 | 2 |
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.