509c Yishun Avenue 4 763509, Lower Seletar, North Region, Singapore
$800,000
Premium 5-Room HDB | 509C Yishun Avenue 4 | High Floor Greenery Facing • Unblocked greenery view • Excellent privacy, no direct facing • Bright, breezy and naturally well-lit • Efficient and spacious 5-room layout • Ideal for families seeking comfort and tranquility • Well-maintained and move-in ready condition Connectivity • Approx. 900m (10–12 mins walk) to Khatib MRT (North-South Line) • Direct train access to Orchard, Raffles Place and Marina Bay • Convenient access to Seletar Expressway (SLE) Lifestyle & Amenities • Walking distance to Wisteria Mall • Approx. 1.2km to Northpoint City (largest mall in the North) • Supermarkets, dining options, clinics and daily conveniences within the estate Primary Schools within 1km • Naval Base Primary School • Northland Primary School A rare opportunity to secure a high-floor, greenery-facing 5-room unit in a mature and well-connected neighbourhood.
The following locations are within radius of this property, with distance shown in kilometers.
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Total Transactions
0
Average Price
S0
Total Value
S0
No transaction data found. This could be due to:
Calculating fair value from URA transaction data…


License: L3008022J
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Automated Valuation based on 2 HDB resale transactions (data.gov.sg)
Fair Value
S$779,951
S$641 psf
Asking Price
S$800,000
S$658 psf
vs Market
+2.6%
vs Last Done
+6.6%
Tenure
89 yrs
99-year Leasehold · Balance remaining
Confidence
Low
2 comps
Nearest MRT
Khatib
904m away · +2% premium
URA PSF Trendline vs Listing Price
Hedonic Adjustment Breakdown
Base URA PSF
2 comparable transactions
S$599
Floor Premium
0.5% per floor vs median
+0.0%
Tenure Decay
Bala's curve (99yr leasehold)
×1.050
MRT Proximity
Within 500m / 1km
+2%
AI Condition Premium
HELIOS scan of listing description
0%
Adjusted Fair Value PSF
S$641
Recent Comparable Transactions
2 shown · 2 total| Date | Block / Street | Area | Price | PSF | Tenure |
|---|---|---|---|---|---|
Last DoneMar 2026 | Blk 509C YISHUN AVE 4 Floor 10 TO 12 | 1,216sqft | S$750,000 | ▼S$617 -3.7% vs FV | 99yr from 2018 |
Mar 2026 | Blk 509C YISHUN AVE 4 Floor 10 TO 12 | 1,216sqft | S$750,000 | ▼S$617 -3.7% vs FV | 99yr from 2018 |
Jul 2024 | Blk 509C YISHUN AVE 4 Floor 04 TO 06 | 1,216sqft | S$706,888 | ▼S$581 -9.4% vs FV | 99yr from 2018 |
Blk 509C YISHUN AVE 4
Mar 2026 · Floor 10 TO 12
-3.7% vs FV
Blk 509C YISHUN AVE 4
Mar 2026 · Floor 10 TO 12
-3.7% vs FV
Blk 509C YISHUN AVE 4
Jul 2024 · Floor 04 TO 06
-9.4% vs FV
HELIOS AI Analysis
The current valuation of the 5-room HDB property in Yishun stands at approximately $779,951, translating to a price per square foot (PSF) of $641. With a remaining lease of 89 years, this property benefits from a substantial duration before lease expiry, which typically enhances its appeal among potential buyers. However, the estimated value reflects a modest 2.6% difference from the baseline market price, indicating a slight underperformance relative to prevailing market trends.
It is crucial to note that the model confidence for this valuation is categorized as low, primarily due to the limited dataset derived from only two recent HDB resale transactions in the vicinity. This scarcity of comparable sales may contribute to fluctuations in perceived value, highlighting the need for potential investors to exercise caution and conduct further due diligence. As the Yishun district continues to evolve, market dynamics are influenced by various factors including proximity to amenities, transport links, and overall demand for HDB properties in the area.
⚠️ Indicative estimate only. Based on URA resale transaction data. Not a formal valuation. Consult a licensed valuer for financial decisions.