homequant
HDB · Yishun · Blk 217 Yishun St 21

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 2017
S$494,000S$415,097 – S$524,000

25th 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

YearSalesMedian price25th to 75th percentileMedian psm
20172S$391,694S$387,347 – S$396,041S$4,102 psm
20181S$335,000one saleS$3,602 psm
20211S$420,000one saleS$4,516 psm
20221S$450,000one saleS$4,839 psm
20232S$505,000S$492,500 – S$517,500S$5,285 psm
20241S$530,000one saleS$5,699 psm
20251S$522,000one saleS$5,613 psm
20263S$518,000S$513,000 – S$529,000S$5,510 psm

Which storeys sold?

StoreysSales
Storeys 1 to 32
Storeys 4 to 64
Storeys 7 to 92
Storeys 10 to 124

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.