Blk 509B Yishun Ave 4
YISHUN AVE 4 · YISHUN · Singapore 762509 · D27
Median PSF · 12m
S$568
Median price · 12m
S$665K
Latest sale
S$782K
Aug 2026
1-year change
-6.9%
Sales · 12m
8
27 all time
Gross yield
5.78%
2 leases
Price history
How this development has traded
Median transacted price and price per square foot by quarter, from every sale on record here.
- Change over window
- +20.7%
- Annualised
- +5.9%
- Transactions
- 27
- 1 year
- -6.9%
- 3 years p.a.
- +0.8%
- 5 years p.a.
- —
- Median size
- 1,001 sqft
Against the neighbourhood
How it compares within D27
Yishun, Sembawang. All figures are medians over the last 12 months for HDB flats in this district.
| Measure | Blk 509B Yishun Ave 4 | D27 median | Difference |
|---|---|---|---|
| Median PSF | S$568 | S$572 | -0.7% |
| Median price | S$665K | S$565K | +17.7% |
| Gross rental yield | 5.78% | 6.45% | -0.7 pts |
| 1-year price change | -6.9% | -2.6% | -4.3 pts |
This development trades broadly in line with the D27 median.
Rental
Rent and yield
From HDB approved subletting contracts published on data.gov.sg.
Median monthly rent
S$2,850
Contracts · 12m
2
Implied annual rent
S$34K
Gross yield
5.78%
| Unit type | Contracts | Median rent |
|---|---|---|
| 4 ROOM | 2 | S$2,850 |
Investment analysis
Investment score 41 / 100
Each component is a percentile rank against every other HDB block in the database. This is an analytical indicator, not financial advice.
41/100
100% of the scoring weight measurable
Every bar is a percentile rank, so 70 means this development sits above roughly 70% of its peers on that factor. Factors we cannot measure are excluded and the remaining weights are rebalanced, rather than scored as zero.
- Liquidityweight 15%97
Transactions in the last 12 months — how easily it trades.
- Supply riskweight 10%54
Upcoming units recorded in the same district. Higher score means less competing supply.
- Valuationweight 22%43
How its median price per square foot compares with its own district.
- Rental yieldweight 20%33
Gross yield against every other development in its segment.
- Locationweight 15%19
Distance to the nearest rail station, plus schools within 1 km. Nearest is Khatib MRT at 900 m.
- Price momentumweight 18%12
Three-year annualised change in median PSF, or one year where three is unavailable.
The investment score is an analytical indicator computed from transaction and location data. It is not a recommendation, a forecast, or financial advice.
Location
Nearby amenities
Rail stations
- Khatib MRT900 m
- Yishun MRT1.8 km
Schools within 2 km
- Orchid Park Secondary Schoolsecondary (s1-s5)300 m
- Naval Base Primary Schoolprimary320 m
- Chung Cheng High School (Yishun)secondary (s1-s5)680 m
- Northland Primary Schoolprimary800 m
- Northbrooks Secondary Schoolsecondary (s1-s5)1.0 km
- Peiying Primary Schoolprimary1.1 km
Distances are straight-line. Proximity does not determine school admission eligibility.
Supply
Upcoming competition
No upcoming supply is recorded nearby. URA pipeline data requires an API key, which is not configured, so this section may be incomplete.
The record
Transactions at this development
| Month | Type | Price | Size | PSF | Floor | Lease left |
|---|---|---|---|---|---|---|
| Aug 2026 | 5 ROOM | S$782,000 | 1,216 sqft | S$643 | 10 TO 12 | 90 yr 8 mo |
| Apr 2026 | 4 ROOM | S$560,000 | 1,001 sqft | S$559 | 04 TO 06 | 91 yr 1 mo |
| Mar 2026 | 5 ROOM | S$743,000 | 1,216 sqft | S$611 | 07 TO 09 | 91 yr 2 mo |
| Mar 2026 | 4 ROOM | S$650,000 | 1,001 sqft | S$649 | 10 TO 12 | 91 yr 2 mo |
| Feb 2026 | 4 ROOM | S$570,000 | 1,001 sqft | S$569 | 01 TO 03 | 91 yr 3 mo |
| Dec 2025 | 4 ROOM | S$570,000 | 1,001 sqft | S$569 | 01 TO 03 | 91 yr 6 mo |
| Nov 2025 | 5 ROOM | S$690,000 | 1,216 sqft | S$567 | 04 TO 06 | 91 yr 6 mo |
| Oct 2025 | 5 ROOM | S$680,000 | 1,216 sqft | S$559 | 04 TO 06 | 91 yr 7 mo |
| Sep 2025 | 5 ROOM | S$708,000 | 1,216 sqft | S$582 | 04 TO 06 | 91 yr 8 mo |
| Aug 2025 | 4 ROOM | S$612,000 | 1,001 sqft | S$611 | 04 TO 06 | 91 yr 8 mo |
| Jan 2025 | 4 ROOM | S$611,000 | 1,001 sqft | S$610 | 04 TO 06 | 92 yr 5 mo |
| Aug 2024 | 5 ROOM | S$738,000 | 1,216 sqft | S$607 | 10 TO 12 | 92 yr 9 mo |
| Aug 2024 | 4 ROOM | S$600,000 | 1,001 sqft | S$599 | 10 TO 12 | 92 yr 10 mo |
| Feb 2024 | 4 ROOM | S$583,000 | 1,001 sqft | S$582 | 10 TO 12 | 93 yr 3 mo |
| Jan 2024 | 4 ROOM | S$565,000 | 1,001 sqft | S$564 | 10 TO 12 | 93 yr 3 mo |
| Nov 2023 | 4 ROOM | S$560,888 | 1,001 sqft | S$560 | 04 TO 06 | 93 yr 6 mo |
| Oct 2023 | 4 ROOM | S$545,000 | 1,001 sqft | S$544 | 04 TO 06 | 93 yr 6 mo |
| Jan 2023 | 5 ROOM | S$675,000 | 1,216 sqft | S$555 | 10 TO 12 | 94 yr 4 mo |
| Aug 2022 | 5 ROOM | S$650,000 | 1,216 sqft | S$534 | 07 TO 09 | 94 yr 9 mo |
| Aug 2022 | 4 ROOM | S$555,888 | 1,001 sqft | S$555 | 10 TO 12 | 94 yr 9 mo |
| Jul 2022 | 5 ROOM | S$671,000 | 1,216 sqft | S$552 | 10 TO 12 | 94 yr 10 mo |
| Jul 2022 | 5 ROOM | S$660,000 | 1,216 sqft | S$543 | 10 TO 12 | 94 yr 10 mo |
| Apr 2022 | 4 ROOM | S$488,000 | 1,001 sqft | S$487 | 04 TO 06 | 95 yr 1 mo |
| Mar 2022 | 5 ROOM | S$645,000 | 1,216 sqft | S$530 | 07 TO 09 | 95 yr 1 mo |
| Mar 2022 | 4 ROOM | S$538,000 | 1,001 sqft | S$537 | 13 TO 15 | 95 yr 2 mo |
| Mar 2022 | 4 ROOM | S$536,000 | 1,001 sqft | S$535 | 10 TO 12 | 95 yr 1 mo |
| Mar 2022 | 4 ROOM | S$522,000 | 1,001 sqft | S$521 | 07 TO 09 | 95 yr 1 mo |
Alternatives
Comparable developments nearby
Within 1.5 km, same segment, with recorded activity in the last 12 months.
Blk 508B Yishun Ave 4
S$617
-1.2%1 sales6.2% yield
Blk 509C Yishun Ave 4
S$627
—4 sales6.3% yield
Blk 509A Yishun Ave 4
S$590
-1.6%4 sales7.1% yield
Blk 512A Yishun St 51
S$589
-5.1%3 sales5.5% yield
Blk 508A Yishun Ave 4
S$676
0.0%6 sales4.6% yield
Blk 507A Yishun Ave 4
S$608
-2.6%4 sales6.2% yield
Blk 506C Yishun Ave 4
S$622
-5.7%4 sales6.3% yield
Blk 506B Yishun Ave 4
S$634
-3.3%6 sales6.5% yield
Important
Property values shown are estimates generated from available transaction and market data and are not official valuations. Actual transaction prices may differ. Data availability and accuracy depend on the underlying source datasets. Users should conduct their own due diligence and seek professional advice where appropriate.