Blk 421 Choa Chu Kang Avenue 4
HDB resale prices and live listings at Blk 421 Choa Chu Kang Avenue 4, Singapore 680421, in Choa Chu Kang. 3 resale transactions from 2024-12 to 2026-11.
- Lease commenced
- 1992
- Town
- Choa Chu Kang
- Postal code
- 680421
Estimated value today
| Home | Sale price | Monthly rent |
|---|---|---|
| 4 Room | S$549,000 | S$2,650/mo – S$3,700/mo |
| 5 Room | S$631,000 – S$758,000 | S$2,900/mo – S$3,900/mo |
In the weekly accuracy check of 7 Nov 2026, the range held the actual price for 77.9% of the sales tested for this property type. In the weekly accuracy check of 7 Nov 2026, the range held the actual rent for 81.7% of the leases tested for this property type. There is no single figure because half came within 6.4% of the actual rent, and a single figure needs 5% or less; 68% came within 10% of the actual rent, and a single figure needs 80%.
Based on recorded transactions to Oct 2026. An automated estimate from recorded transactions, not a valuation by a licensed valuer. Do not rely on it for a loan, sale or legal decision.
Resale prices by flat type
| Flat type | Sales | Median price | Range | Median PSF | Latest |
|---|---|---|---|---|---|
| 4 Room | 3 | S$555,000 | S$545,000 – S$574,888 | S$496 | 2026-08 |
Recent resale transactions at Blk 421
| Month | Flat type | Storey | Area (sqm) | Price | Remaining lease |
|---|---|---|---|---|---|
| 2026-08 | 4 Room | 10 TO 12 | 104 | S$555,000 | 64 years 11 months |
| 2026-07 | 4 Room | 04 TO 06 | 104 | S$545,000 | 64 years 11 months |
| 2025-05 | 4 Room | 07 TO 09 | 104 | S$574,888 | 66 years 02 months |