331 River Valley Road 238363, Institution Hill, Central Region, Singapore
$9,300,000
Rare 2-Storey Freehold Penthouse at Yong An Park – 4,297 sqft of Elevated Living! Vacant & Ready for Move-In or Renovation * Freehold in Prime District 9 * Massive 4,297 sqft of internal space – rare in today’s market * Unblocked city skyline views * Terraces on both levels – ideal for outdoor entertaining, gardening, or private retreats * Double volume ceiling enhances light and space * Bright and breezy with full-height windows throughout Functional & Family-Friendly Layout: 1st Storey: * Spacious living & dining area * 2 ensuite bedrooms * Terrace for outdoor dining or relaxing 2nd Storey: * 2 bedrooms + family lounge * Helper’s room + utility/storage * Second terrace with panoramic views * Short walk to Great World MRT & Mall * 5-min drive to Orchard Road & CBD * Full condo facilities: swimming pool, gym, security, and playground A rare penthouse gem with space, light, and freehold status – perfect for crafting your dream home.
D09 - River Valley
Great World MRT · 1 min walk
1 January 1986
Small (288 units)
288 units
5 Blocks
Riverview Development Pte Ltd
Yong An Park has a total of 288 units, from 1 Bed - 2 Bath to 5 Bed - 7 Bath units. There are 26 types of floor plans from 1,001 sqft to 7,739 sqft.
Yong An Park has 5 blocks and up to 0 storey.
Yong An Park is a freehold Generic Condo development located in River Valley, District 9. Completed in 1986, it has a total of 5 blocks within the development and comprises a total of 288 units. It is within walking distance to MRT stations such as Great World MRT and Great World MRT, which provide residents easy access to other areas of Singapore. For young couples or families with children, Yong An Park is also close to schools like River Valley Primary School, River Valley Primary School and The Schoolhouse by Busy Bees (River Valley). If you're wondering about what you can do around the area, residents can head to nearby supermarkets like Cold Storage - Takashimaya and Cold Storage - Triple One Somerset for groceries and household products. Never worry about your health emergencies or regular health checkups with access to nearby clinics such as Dental Clinic. IMedia International Pte Ltd is the nearest post office where you can get your postal services done. For your leisure and entertainment, head down to the local park - Kim Seng Park, to enjoy some fresh air.
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Total Transactions
34
Average Price
S6.3M
Total Value
S214.6M
Calculating fair value from URA transaction data…


License: L3008022J
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Automated Valuation based on 29 URA transactions
Fair Value
S$10.20M
S$2,376 psf
Asking Price
S$9.30M
S$2,165 psf
vs Market
-8.9%
vs Last Done
-3.8%
Tenure
Freehold
No lease decay
Confidence
High
29 comps
Nearest MRT
Somerset
783m away · +1% premium
URA PSF Trendline vs Listing Price
Hedonic Adjustment Breakdown
Base URA PSF
29 comparable transactions
S$2,240
Floor Premium
0.5% per floor vs median
+0.0%
Tenure Decay
Bala's curve (99yr leasehold)
×1.000
MRT Proximity
Within 500m / 1km
+1%
AI Condition Premium
HELIOS scan of listing description
+5%
Adjusted Fair Value PSF
S$2,376
Recent Comparable Transactions
10 shown · 29 total| Date | Block / Street | Area | Price | PSF | Tenure |
|---|---|---|---|---|---|
Last DoneMay 2025 | RIVER VALLEY ROAD Floor 11-15 | 3,111sqft | S$7,000,000 | ▼S$2,250 -5.3% vs FV | Freehold |
May 2025 | RIVER VALLEY ROAD Floor 11-15 | 3,111sqft | S$7,000,000 | ▼S$2,250 -5.3% vs FV | Freehold |
Mar 2025 | RIVER VALLEY ROAD Floor 21-25 | 3,111sqft | S$7,280,000 | ▼S$2,340 -1.5% vs FV | Freehold |
Feb 2025 | RIVER VALLEY ROAD Floor 21-25 | 6,878sqft | S$15,000,000 | ▼S$2,181 -8.2% vs FV | Freehold |
Aug 2024 | RIVER VALLEY ROAD Floor 11-15 | 3,434sqft | S$8,600,000 | ▲S$2,505 +5.4% vs FV | Freehold |
Jun 2024 | RIVER VALLEY ROAD Floor 16-20 | 3,111sqft | S$6,900,000 | ▼S$2,218 -6.6% vs FV | Freehold |
Apr 2024 | RIVER VALLEY ROAD Floor 11-15 | 3,434sqft | S$8,480,000 | ▲S$2,470 +4.0% vs FV | Freehold |
Feb 2024 | RIVER VALLEY ROAD Floor 06-10 | 1,765sqft | S$4,200,000 | ▲S$2,379 +0.1% vs FV | Freehold |
Nov 2023 | RIVER VALLEY ROAD Floor 16-20 | 3,434sqft | S$8,300,000 | ▲S$2,417 +1.7% vs FV | Freehold |
May 2023 | RIVER VALLEY ROAD Floor 01-05 | 7,718sqft | S$14,080,000 | ▼S$1,824 -23.2% vs FV | Freehold |
Apr 2023 | RIVER VALLEY ROAD Floor 06-10 | 3,434sqft | S$8,100,000 | ▼S$2,359 -0.7% vs FV | Freehold |
RIVER VALLEY ROAD
May 2025 · Floor 11-15
-5.3% vs FV
RIVER VALLEY ROAD
May 2025 · Floor 11-15
-5.3% vs FV
RIVER VALLEY ROAD
Mar 2025 · Floor 21-25
-1.5% vs FV
RIVER VALLEY ROAD
Feb 2025 · Floor 21-25
-8.2% vs FV
RIVER VALLEY ROAD
Aug 2024 · Floor 11-15
+5.4% vs FV
RIVER VALLEY ROAD
Jun 2024 · Floor 16-20
-6.6% vs FV
RIVER VALLEY ROAD
Apr 2024 · Floor 11-15
+4.0% vs FV
RIVER VALLEY ROAD
Feb 2024 · Floor 06-10
+0.1% vs FV
RIVER VALLEY ROAD
Nov 2023 · Floor 16-20
+1.7% vs FV
RIVER VALLEY ROAD
May 2023 · Floor 01-05
-23.2% vs FV
RIVER VALLEY ROAD
Apr 2023 · Floor 06-10
-0.7% vs FV
HELIOS AI-Detected Boosters
HELIOS AI Analysis
⚠️ Indicative estimate only. Based on URA resale transaction data. Not a formal valuation. Consult a licensed valuer for financial decisions.