The block
- Completed
- 2016
- Lease
- From 2018, ends 2117. About 90 years left
- Storeys
- 13
- Flats
- 96: 48 4-room, 48 5-room
- Postal code
- Singapore 762509
- Nearest MRT
- Khatib MRT, about 14 min walk (880 m)
- Town
- Yishun
Resale prices at Blk 509B Yishun Avenue 4
| Flat type | 2023 | 2024 | 2025 | 2026 | Yishun median |
|---|---|---|---|---|---|
| 4-room | S$552,944 | S$583,000 | S$611,000 | S$570,000 | S$550,000 |
| 5-room | - | S$738,000 | S$690,000 | S$762,500 | S$690,444 |
Median price by year of registration.
What is my flat at Blk 509B Yishun Avenue 4 worth?
Pick your flat type and floor for an instant range based on this block's own resales.
A guide only. Condition, facing, corner units and renovation can move the price 5 to 10% either way.
Latest sales
| Month | Type | Storey | Size | Price |
|---|---|---|---|---|
| Aug 2026 | 5-room Improved | 10 to 12 | 113 sqm 1,216 sqft | S$782,000 S$643 psf |
| Apr 2026 | 4-room Model A | 04 to 06 | 93 sqm 1,001 sqft | S$560,000 S$559 psf |
| Mar 2026 | 4-room Model A | 10 to 12 | 93 sqm 1,001 sqft | S$650,000 S$649 psf |
| Mar 2026 | 5-room Improved | 07 to 09 | 113 sqm 1,216 sqft | S$743,000 S$611 psf |
| Feb 2026 | 4-room Model A | 01 to 03 | 93 sqm 1,001 sqft | S$570,000 S$569 psf |
| Dec 2025 | 4-room Model A | 01 to 03 | 93 sqm 1,001 sqft | S$570,000 S$569 psf |
| Nov 2025 | 5-room Improved | 04 to 06 | 113 sqm 1,216 sqft | S$690,000 S$567 psf |
| Oct 2025 | 5-room Improved | 04 to 06 | 113 sqm 1,216 sqft | S$680,000 S$559 psf |
| Sept 2025 | 5-room Improved | 04 to 06 | 113 sqm 1,216 sqft | S$708,000 S$582 psf |
| Aug 2025 | 4-room Model A | 04 to 06 | 93 sqm 1,001 sqft | S$612,000 S$611 psf |
| Jan 2025 | 4-room Model A | 04 to 06 | 93 sqm 1,001 sqft | S$611,000 S$610 psf |
| Aug 2024 | 4-room Model A | 10 to 12 | 93 sqm 1,001 sqft | S$600,000 S$599 psf |
| Aug 2024 | 5-room Improved | 10 to 12 | 113 sqm 1,216 sqft | S$738,000 S$607 psf |
| Feb 2024 | 4-room Model A | 10 to 12 | 93 sqm 1,001 sqft | S$583,000 S$582 psf |
| Jan 2024 | 4-room Model A | 10 to 12 | 93 sqm 1,001 sqft | S$565,000 S$564 psf |
Showing the latest 15 of 17 sales since Oct 2023. See them all in the price checker.
Rent at Blk 509B Yishun Avenue 4
At these figures a 4-room flat here earns a gross yield of about 6.0% before property tax and other costs.
Whole-flat rentals approved by HDB since Oct 2024. Rooms let out separately aren't included.
Flat layouts at Blk 509B Yishun Avenue 4
HDB records the flat model of every resale. These are the layouts sold here, with the typical size.
| Flat type | Model | Typical size | Sales |
|---|---|---|---|
| 4-room | Model A | 93 sqm (1,001 sqft) | 11 |
| 5-room | Improved | 113 sqm (1,216 sqft) | 6 |
Model names come from HDB. "Improved", "New Generation" and "Model A" flats of the same type can differ by 10 sqm or more, so compare sizes, not just room counts.
Living at Blk 509B Yishun Avenue 4
MRT
- Khatib MRT880 m, about 14 min walk
- Yishun MRT1.8 km, about 29 min walk
Hawker centres
- Yishun Park Hawker Centre1.3 km, 45 food stalls
Car park
| Car park | Type | Free parking | Night parking | Gantry |
|---|---|---|---|---|
| Y70M 110 m away | Multi-storey 16 decks | Free on Sundays and public holidays, 7am to 10.30pm | Yes | 2.15 m |
| Y72M 160 m away | Multi-storey 14 decks | Free on Sundays and public holidays, 7am to 10.30pm | Yes | 2.15 m |
From HDB's car park list. The nearest HDB car parks to the block.
1-minute quizzes for owners at Blk 509B Yishun Avenue 4
What is your flat at Blk 509B Yishun Avenue 4 worth?
Send us your floor and flat type. We'll reply with a valuation range based on the latest sales here and at nearby blocks, and what a sale would leave you after your loan and CPF refund.
Common questions
How much is a 4-room flat at Blk 509B Yishun Avenue 4?
4-room flats at Blk 509B Yishun Avenue 4 sold for a median S$570,000 in the last 12 months, or about S$569 per square foot. The range was S$560,000 to S$650,000. Floor level, condition and the remaining lease explain most of the gap.
How many years are left on the lease at Blk 509B Yishun Avenue 4?
The lease started in 2018 and runs for 99 years to 2117, so about 90 years are left. Banks and CPF limit how much a buyer can borrow and use once fewer than 60 years remain, which affects who can buy.
How much rent can I get at Blk 509B Yishun Avenue 4?
HDB approved 2 4-room rentals here in the last 12 months, at a median S$2,850 a month (S$2,600 to S$3,100). See more in the HDB rental rates checker.
What is the postal code of Blk 509B Yishun Avenue 4?
The postal code of Blk 509B Yishun Avenue 4 is Singapore 762509.
What is the nearest MRT station to Blk 509B Yishun Avenue 4?
Khatib MRT station is about 880 m away, roughly 14 minutes on foot. Yishun MRT is the next closest, about 1.8 km away.
Where do residents of Blk 509B Yishun Avenue 4 park?
Multi-storey car park Y70M, about 110 m away: Free on Sundays and public holidays, 7am to 10.30pm, night parking available, gantry height 2.15 m. Multi-storey car park Y72M, about 160 m away: Free on Sundays and public holidays, 7am to 10.30pm, night parking available, gantry height 2.15 m.
What is my flat at Blk 509B Yishun Avenue 4 worth?
Recent sales at the block are the best guide, adjusted for your floor, facing and condition. Send us your unit and we'll reply with a valuation range on WhatsApp.
Other blocks on Yishun Avenue 4
- Blk 506A5-room S$710,000
- Blk 506B4-room S$592,000
- Blk 506C3-room S$465,000
- Blk 507A4-room S$630,000
- Blk 508A3-room S$515,000
- Blk 508B4-room S$610,000
- Blk 509A4-room S$600,800
- Blk 509C5-room S$775,000
- Blk 650Executive S$1,100,000
- Blk 6515-room S$646,500
- Blk 652Executive S$1,244,000
- Blk 6534-room S$502,500
- Blk 654Executive S$1,000,000
- Blk 6554-room S$488,000
- Blk 6563-room S$375,000
- Blk 6575-room S$690,000
- Blk 6585-room S$667,500
- Blk 659
- Blk 6604-room S$492,500
- Blk 6614-room S$542,000
- Blk 6624-room S$567,500
- Blk 6634-room S$485,000
- Blk 663AExecutive S$1,075,000
- Blk 6644-room S$550,000
Blocks nearby
- Blk 512A Yishun Street 51120 m · 4-room S$569,000
- Blk 865 Yishun Street 81210 m · 4-room S$533,800
- Blk 512B Yishun Street 51220 m · 4-room S$610,000
- Blk 511A Yishun Street 51240 m · 4-room S$590,000
- Blk 870 Yishun Street 81250 m · 4-room S$638,888
- Blk 867 Yishun Street 81260 m · 4-room S$524,000
- Blk 868 Yishun Street 81290 m · 4-room S$525,000
- Blk 512C Yishun Street 51310 m · 5-room S$760,000
All HDB blocks in Yishun · All towns
Source: HDB resale flat prices, renting out of flats and HDB property information, from data.gov.sg. Resales from Oct 2023 to Oct 2026. Prices are what buyers paid; your flat's value depends on its floor, facing, condition and lease.