Block 509B Yishun Avenue 4
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| Apr 2026 | 04 TO 06 | 4 ROOM | 93 sqm | $560,000 | $6,022 |
| Mar 2026 | 10 TO 12 | 4 ROOM | 93 sqm | $650,000 | $6,989 |
| Mar 2026 | 07 TO 09 | 5 ROOM | 113 sqm | $743,000 | $6,575 |
| Feb 2026 | 01 TO 03 | 4 ROOM | 93 sqm | $570,000 | $6,129 |
| Dec 2025 | 01 TO 03 | 4 ROOM | 93 sqm | $570,000 | $6,129 |
| Nov 2025 | 04 TO 06 | 5 ROOM | 113 sqm | $690,000 | $6,106 |
| Oct 2025 | 04 TO 06 | 5 ROOM | 113 sqm | $680,000 | $6,018 |
| Sep 2025 | 04 TO 06 | 5 ROOM | 113 sqm | $708,000 | $6,265 |
| Aug 2025 | 04 TO 06 | 4 ROOM | 93 sqm | $612,000 | $6,581 |
| Jan 2025 | 04 TO 06 | 4 ROOM | 93 sqm | $611,000 | $6,570 |
| Aug 2024 | 10 TO 12 | 4 ROOM | 93 sqm | $600,000 | $6,452 |
| Aug 2024 | 10 TO 12 | 5 ROOM | 113 sqm | $738,000 | $6,531 |
| Feb 2024 | 10 TO 12 | 4 ROOM | 93 sqm | $583,000 | $6,269 |
| Jan 2024 | 10 TO 12 | 4 ROOM | 93 sqm | $565,000 | $6,075 |
| Nov 2023 | 04 TO 06 | 4 ROOM | 93 sqm | $560,888 | $6,031 |
| Oct 2023 | 04 TO 06 | 4 ROOM | 93 sqm | $545,000 | $5,860 |
| Jan 2023 | 10 TO 12 | 5 ROOM | 113 sqm | $675,000 | $5,973 |
| Aug 2022 | 10 TO 12 | 4 ROOM | 93 sqm | $555,888 | $5,977 |
| Aug 2022 | 07 TO 09 | 5 ROOM | 113 sqm | $650,000 | $5,752 |
| Jul 2022 | 10 TO 12 | 5 ROOM | 113 sqm | $660,000 | $5,841 |
About Block 509B Yishun Avenue 4
Block 509B at Yishun Avenue 4 is a residential HDB block in Yishun, Singapore, built in 2018 with approximately 91 years remaining on its 99-year lease. The block contains 4 room, 5 room flats, with resale prices ranging from $488,000 to $743,000 based on 26 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 04 TO 06 sold for $560,000 in 2026-04. The current median price per square metre is $6,026. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.9564, with an annual lease decay rate of approximately 0.16%. All transaction data is sourced from Singapore's data.gov.sg open data platform and is updated monthly.
Frequently Asked Questions
How much is an HDB flat at Block 509B Yishun Avenue 4 worth?
The most recent resale transaction at Block 509B Yishun Avenue 4 was $560,000 for a 4 room flat in 2026-04. The median price per square metre across all flat types is $6,026, based on 26 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 509B Yishun Avenue 4?
Block 509B Yishun Avenue 4 was built in 2018 and has approximately 91 years and 1 months remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.16%, meaning the leasehold value decreases by approximately 0.16% per year at the current remaining lease.
What flat types are available at Block 509B Yishun Avenue 4?
Block 509B Yishun Avenue 4 in Yishun contains 4 room, 5 room flats. Resale prices range from $488,000 to $743,000 based on historical transaction records from data.gov.sg.