Block 509A Yishun Avenue 4
| Date | Floor | Type | Area | Price | $/sqm |
|---|---|---|---|---|---|
| Nov 2025 | 10 TO 12 | 4 ROOM | 93 sqm | $670,000 | $7,204 |
| Jun 2025 | 04 TO 06 | 4 ROOM | 93 sqm | $600,000 | $6,452 |
| Jun 2025 | 07 TO 09 | 5 ROOM | 113 sqm | $745,888 | $6,601 |
| May 2025 | 04 TO 06 | 5 ROOM | 113 sqm | $723,000 | $6,398 |
| Nov 2024 | 07 TO 09 | 5 ROOM | 113 sqm | $708,000 | $6,265 |
| Oct 2024 | 10 TO 12 | 5 ROOM | 113 sqm | $745,000 | $6,593 |
| Jun 2024 | 04 TO 06 | 5 ROOM | 113 sqm | $700,000 | $6,195 |
| Dec 2023 | 13 TO 15 | 5 ROOM | 113 sqm | $710,000 | $6,283 |
| Nov 2023 | 10 TO 12 | 5 ROOM | 113 sqm | $715,000 | $6,327 |
| Sep 2023 | 04 TO 06 | 5 ROOM | 113 sqm | $695,000 | $6,150 |
| Aug 2023 | 01 TO 03 | 5 ROOM | 113 sqm | $620,000 | $5,487 |
| Jul 2023 | 04 TO 06 | 5 ROOM | 113 sqm | $675,000 | $5,973 |
| Jun 2023 | 07 TO 09 | 4 ROOM | 93 sqm | $580,880 | $6,246 |
| Feb 2023 | 04 TO 06 | 4 ROOM | 93 sqm | $536,000 | $5,763 |
| Jan 2023 | 07 TO 09 | 4 ROOM | 93 sqm | $580,000 | $6,237 |
| Sep 2022 | 04 TO 06 | 4 ROOM | 93 sqm | $520,000 | $5,591 |
| Sep 2022 | 04 TO 06 | 4 ROOM | 93 sqm | $550,000 | $5,914 |
| Aug 2022 | 04 TO 06 | 4 ROOM | 93 sqm | $520,000 | $5,591 |
| Aug 2022 | 07 TO 09 | 5 ROOM | 113 sqm | $690,000 | $6,106 |
| Jul 2022 | 07 TO 09 | 4 ROOM | 93 sqm | $565,000 | $6,075 |
About Block 509A Yishun Avenue 4
Block 509A 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 $485,000 to $760,000 based on 31 recorded transactions since January 2017. The most recent transaction was a 4 room flat on storeys 10 TO 12 sold for $670,000 in 2025-11. The current median price per square metre is $6,075. Under Bala's Table (the Singapore Land Authority's official leasehold valuation model), the block's leasehold relativity ratio is 0.9569, 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 509A Yishun Avenue 4 worth?
The most recent resale transaction at Block 509A Yishun Avenue 4 was $670,000 for a 4 room flat in 2025-11. The median price per square metre across all flat types is $6,075, based on 31 transactions since January 2017. Data sourced from data.gov.sg.
What is the remaining lease for Block 509A Yishun Avenue 4?
Block 509A Yishun Avenue 4 was built in 2018 and has approximately 91 years and 5 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 509A Yishun Avenue 4?
Block 509A Yishun Avenue 4 in Yishun contains 4 room, 5 room flats. Resale prices range from $485,000 to $760,000 based on historical transaction records from data.gov.sg.