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Blk 509B Yishun Ave 4 — HDB Resale Prices

Every recorded HDB resale transaction at Blk 509B Yishun Ave 4 over the last 6 months. Improved and Model A 4-Room and 5-Room flats, built 2018 (99-year lease).

For period: Apr 2026 – Sep 2026 · 2 transactions · updated 29 Sep 2026
Latest Transaction
$782,000
5-Room (113 sqm) · Aug 2026 · Storey 10&Ndash;12
Median Transaction
$671,000
Across all 2 transactions
Highest Transaction
$782,000
5-Room (113 sqm) · Aug 2026
Lowest Transaction
$560,000
4-Room (93 sqm) · Apr 2026

By flat type and size

4-Room, 93 sqm
Transactions1
Median price$560,000
Range$560,000
Median $ per sqm$6,022
5-Room, 113 sqm
Transactions1
Median price$782,000
Range$782,000
Median $ per sqm$6,920

Price trend

Shown separately by flat type and size, since they aren't directly comparable on price.

4-Room, 93 sqm
Apr 2026
$560,000
5-Room, 113 sqm
Aug 2026
$782,000

Remaining lease

~91 years
99-year lease commenced 2018, so around 91 years remain as of 2026. This is above HDB's 20-year financing minimum — whether it fully covers a buyer to age 95 for full loan/CPF limits depends on the buyer's age. Use our Remaining Lease, CPF & Loan Calculator to check your own scenario.

Recent transactions

BlockStreet NameStorey RangeSizeFlat Model Commence DateRemaining LeaseResale PriceTransacted
509BYISHUN AVE 410 TO 12113 sqmImproved201890 years 08 months$782,000Aug 2026
509BYISHUN AVE 404 TO 0693 sqmModel A201891 years 01 month$560,000Apr 2026

Source: HDB Resale Flat Prices, published via data.gov.sg (resource d_8b84c4ee58e3cfc0ece0d773c8ca6abc), retrieved 29 Sep 2026. Resale prices should be taken as indicative only.

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