Block 509A Yishun Ave 4
509A Yishun Ave 4, Singapore 761509
Block 509A Yishun Ave 4 is an HDB block in Yishun, completed in 2017, with 108 dwelling units. 5-Room flats have recently resold around S$700k (113 sqm), from 32 resales on record. The lease has approximately 91 years remaining.
What are the key facts about Block 509A Yishun Ave 4?
Block 509A Yishun Ave 4 is an HDB block in Yishun, completed in 2017, with 108 dwelling units.
- Town
- Yishun
- Planning area
- Yishun
- Completed
- 2017
- Storeys
- 13
- Total units
- 108
- Market segment
- OCR
- Median resale
- S$700k
- Last transacted
- May 2026
- Remaining lease
- ≈ 91 years
What are resale prices at Block 509A Yishun Ave 4?
5-Room flats have recently resold around S$700k (S$588 psf), from 32 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 14 | S$550,000recent | 93 sqm | S$549 psf |
| 5-Room | 18 | S$700,000recent | 113 sqm | S$576 psf |
“Recent” medians use the latest transactions; for older blocks the all-time median spans 30+ years and understates today’s price. Source: HDB resale caveats, through May 2026.
What has recently sold at Block 509A Yishun Ave 4?
Block 509A Yishun Ave 4 has 32 recorded resales; the most recent transacted at S$600,800 in May 2026 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| May 2026 | 4-Room | 04 TO 06 | 93 sqm | S$600,800 |
| Nov 2025 | 4-Room | 10 TO 12 | 93 sqm | S$670,000 |
| Jun 2025 | 5-Room | 07 TO 09 | 113 sqm | S$745,888 |
| Jun 2025 | 4-Room | 04 TO 06 | 93 sqm | S$600,000 |
| May 2025 | 5-Room | 04 TO 06 | 113 sqm | S$723,000 |
| Nov 2024 | 5-Room | 07 TO 09 | 113 sqm | S$708,000 |
| Oct 2024 | 5-Room | 10 TO 12 | 113 sqm | S$745,000 |
| Jun 2024 | 5-Room | 04 TO 06 | 113 sqm | S$700,000 |
| Dec 2023 | 5-Room | 13 TO 15 | 113 sqm | S$710,000 |
| Nov 2023 | 5-Room | 10 TO 12 | 113 sqm | S$715,000 |
| Sept 2023 | 5-Room | 04 TO 06 | 113 sqm | S$695,000 |
| Aug 2023 | 5-Room | 01 TO 03 | 113 sqm | S$620,000 |
What flat types are in Block 509A Yishun Ave 4?
Block 509A Yishun Ave 4 has 108 units, mostly 5-Room flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 509A Yishun Ave 4 from MRT and schools?
The nearest MRT/LRT to Block 509A Yishun Ave 4 is Khatib MRT, about 835 m away (~13 min walk). 4 schools are within 1 km, including 2 primary schools.
Getting around
- Khatib MRT835 m · ~13 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Orchid Park Secondary SchoolSecondary schoolwithin 1 km258 m
- Naval Base Primary SchoolPrimary schoolwithin 1 km · P1 priority300 m
- Chung Cheng High School (Yishun)Secondary schoolwithin 1 km658 m
- Northland Primary SchoolPrimary schoolwithin 1 km · P1 priority822 m
- Northbrooks Secondary SchoolSecondary school1.0 km
- Peiying Primary SchoolPrimary school1.1 km
- Naval Base Secondary SchoolSecondary school1.1 km
- Huamin Primary SchoolPrimary school1.6 km
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 509A Yishun Ave 4?
Buying a flat at Block 509A Yishun Ave 4 (~S$700k) needs about S$5,580/mo in income and S$2,628/mo in repayments, after S$15,600 stamp duty and a S$175k downpayment.
Illustrative, for a buyer at the recent median resale price (S$700k) — 25% downpayment (bank-loan basis), 25-year loan at 3.5% p.a. Rates as of May 2026. Run it for your own profile →
Buyer's Stamp Duty
S$15,600
BSD, tiered
Downpayment (25%)
S$175k
cash + CPF
Monthly instalment
S$2,628/mo
25y @ 3.5%
Income required
S$5,580/mo
MSR/TDSR @ stress rate
First-time HDB buyers pay no Additional Buyer’s Stamp Duty (ABSD) and may qualify for CPF Housing Grants of up to S$80,000+, which lower the cash required — these are not included above. An HDB concessionary loan also allows a smaller downpayment.
Frequently asked questions about Block 509A Yishun Ave 4
What is the resale price at Block 509A Yishun Ave 4?⌄
5-Room flats at Block 509A Yishun Ave 4 have recently resold around S$700k (113 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How much are flats at Block 509A Yishun Ave 4 by flat type?⌄
4-Room ≈ S$550k; 5-Room ≈ S$700k. Figures are median resale prices from HDB caveats.
How many years are left on the lease at Block 509A Yishun Ave 4?⌄
Block 509A Yishun Ave 4 has approximately 91 years left on its 99-year lease (completed 2017). This figure is taken from the most recent transacted flat.
How many units are in Block 509A Yishun Ave 4?⌄
Block 509A Yishun Ave 4 has 108 dwelling units across up to 13 storeys, mostly 5 room flats.
What is the nearest MRT to Block 509A Yishun Ave 4?⌄
The nearest MRT/LRT station to Block 509A Yishun Ave 4 is Khatib MRT, about 835 m away (~13 min walk).
Which primary schools are within 1 km of Block 509A Yishun Ave 4?⌄
Naval Base Primary School, Northland Primary School are within 1 km of Block 509A Yishun Ave 4 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 509A Yishun Ave 4 a good place to buy an HDB resale flat?⌄
Block 509A Yishun Ave 4 sits in Yishun, in the Yishun planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈91 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.
