4-Room resale prices at Blk 217 Yishun St 21
Resales from Jan 2017 to Sep 2026 · single-unit sales only
What do 4-room flats at Blk 217 Yishun St 21 sell for?
Median price since Jan 201725th to 75th percentile · S$5,285 psm median (S$4,417 psm – S$5,525 psm) · from 12 recorded sales
12 recorded resales of 4-room flats at Blk 217 Yishun St 21 since Jan 2017 had a median price of S$494,000 (25th to 75th percentile S$415,097 to S$524,000) and a median S$5,285 psm (S$4,417 psm to S$5,525 psm). Latest recorded sale Sep 2026. Indicative, from recorded HDB resale prices.
Latest sale
S$540,000 · 98 sqm · S$5,510 psm · Sep 2026 · storeys 10 to 12
The latest sale, in Sep 2026, had 58 years of lease remaining, as HDB recorded it.
By year
| Year | Sales | Median price | 25th to 75th percentile | Median psm |
|---|---|---|---|---|
| 2017 | 2 | S$391,694 | S$387,347 – S$396,041 | S$4,102 psm |
| 2018 | 1 | S$335,000 | one sale | S$3,602 psm |
| 2021 | 1 | S$420,000 | one sale | S$4,516 psm |
| 2022 | 1 | S$450,000 | one sale | S$4,839 psm |
| 2023 | 2 | S$505,000 | S$492,500 – S$517,500 | S$5,285 psm |
| 2024 | 1 | S$530,000 | one sale | S$5,699 psm |
| 2025 | 1 | S$522,000 | one sale | S$5,613 psm |
| 2026 | 3 | S$518,000 | S$513,000 – S$529,000 | S$5,510 psm |
Which storeys sold?
| Storeys | Sales |
|---|---|
| Storeys 1 to 3 | 2 |
| Storeys 4 to 6 | 4 |
| Storeys 7 to 9 | 2 |
| Storeys 10 to 12 | 4 |
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.