HDB › Yishun › Blk 509B Yishun Ave 4

Blk 509B Yishun Ave 4

Yishun · Completed 2016 · 99-year lease · 13 storeys

Rating BAbove average on the evidence — within HDB

Updated 03-08-2026. HDB flats are rated on their own scale, against other HDB resales — an HDB band is never compared with a condo’s. The 0–100 rating for a specific flat depends on its price.

Is a price fair for this block?

The same rating a pasted listing gets — name a flat type, size and price and see how it reads against the published record. Sign in free to check; HDB’s price check is rolling out.

Not a valuation. HDB issues its official valuation only after an Option to Purchase is granted — this check is for before that moment.

What the record shows

Observed facts from official records — HDB resale transactions (Singapore Open Data Licence), HDB property information and routed distances. No account needed.

Remaining lease91 years · to 2115

Full CPF useBuyers aged 21+ (lease covers to age 95)

Flats in block4-room ×48 · 5-room ×48

Flat modelsImproved · Model A

Storeys13

Completed2016

Resales lodged · 24 mo12

4-room median · 12 moS$570,000 · 5 resales

5-room median · 12 moS$699,000 · 4 resales

Nearest MRTKhatib · 0.9 km

Bus stops within 400 m6

Primary schools within 1 km2

Nearest hawker centreYishun Park Hawker Centre · 1350 m

Nearest park1210 m

Recent resale transactions

As published by HDB, monthly. Storey is a range and the floor area is the actual registered area — the record a price is rated against.

Month	Flat type	Model	Storey	Floor area	Lease left	Price	S$ psf
Apr 2026	4-room	Model A	04 TO 06	93 sqm · 1,001 sqft	91 yrs	S$560,000	559
Mar 2026	4-room	Model A	10 TO 12	93 sqm · 1,001 sqft	91 yrs	S$650,000	649
Mar 2026	5-room	Improved	07 TO 09	113 sqm · 1,216 sqft	91 yrs	S$743,000	611
Feb 2026	4-room	Model A	01 TO 03	93 sqm · 1,001 sqft	91 yrs	S$570,000	569
Dec 2025	4-room	Model A	01 TO 03	93 sqm · 1,001 sqft	91 yrs	S$570,000	569
Nov 2025	5-room	Improved	04 TO 06	113 sqm · 1,216 sqft	91 yrs	S$690,000	567
Oct 2025	5-room	Improved	04 TO 06	113 sqm · 1,216 sqft	91 yrs	S$680,000	559
Sep 2025	5-room	Improved	04 TO 06	113 sqm · 1,216 sqft	91 yrs	S$708,000	582
Aug 2025	4-room	Model A	04 TO 06	93 sqm · 1,001 sqft	91 yrs	S$612,000	611
Jan 2025	4-room	Model A	04 TO 06	93 sqm · 1,001 sqft	92 yrs	S$611,000	610

Contains information from HDB resale transaction data accessed via data.gov.sg, made available under the Singapore Open Data Licence.

About Blk 509B Yishun Ave 4

Blk 509B Yishun Ave 4 is a 13-storey HDB block in Yishun, completed in 2016, with about 91 years remaining on its 99-year lease. The nearest MRT is Khatib, about 0.9 km away, and 6 bus stops lie within 400 m. 2 primary schools sit within 1 km, and the nearest hawker centre is Yishun Park Hawker Centre. Over the last 12 months, the 4-room median here was S$570,000 across 5 resales. Over the past 24 months, 12 resales in this block have been published by HDB. Every figure carries the date of the evidence behind it; this page was last updated 03-08-2026.

Frequently asked

How much does a 4-room flat at Blk 509B Yishun Ave 4 cost?

Over the last 12 months, 5 4-room resales were recorded here at a median of S$570,000. Whether a specific asking price is fair depends on the flat — its size, storey and remaining lease.

What is the remaining lease at Blk 509B Yishun Ave 4?

About 91 years, to 2115, as of 03-08-2026. HDB flats are on a 99-year lease.

Can I use full CPF for a flat in this block?

The remaining lease covers a buyer aged 21 or older to age 95, the threshold for unrestricted CPF use under current rules; younger buyers face pro-rated limits. This is a statement of the published rule, not financial advice.

Which MRT station is nearest to Blk 509B Yishun Ave 4?

Khatib, about 0.9 km away.

Does Blk 509B Yishun Ave 4 have a PriceVero rating?

Yes — a block rating of B on an A–E scale, measured within HDB resales only and never compared with a condominium. The 0–100 rating for a specific flat depends on its price, which only exists when you name it.