Blk 421 Choa Chu Kang Ave 4
Not shown
Fewer than 3 resales of any one flat type in the 12 months to September 2026, so no median
$555,000
Latest resale, August 2026: 4-room, storeys 10 to 12, 104 sqm
18
Resales since June 2018
Blk 421 Choa Chu Kang Ave 4 in Choa Chu Kang has had 18 resales registered since June 2018. The latest, in August 2026, was a 4-room on storeys 10 to 12 (104 sqm) at $555,000. Fewer than 3 resales of any one flat type here in the 12 months to September 2026, so no block median is shown.
- Completed 1990
- Lease from 1992
- 12 storeys
- 88 flats
HDB's count of flats in the block, sold flats: 66 4-room, 22 5-room.
What's my flat worth? A free estimate from registered resales.
Value my flatLast 12 months by flat type
| Flat type | Median here | Choa Chu Kang median | Resales here |
|---|---|---|---|
| 4-room | fewer than 3 | $555,000 | 2 |
Resales registered from October 2025 to September 2026. A median needs at least 3 resales.
Every resale since June 2018
Storeys are HDB's published storey ranges. Unit numbers are never shown. Remaining lease is as HDB published it at the time of sale. Month is the month the resale was registered.
| Month | Price | Flat type | Storeys | Floor area | Remaining lease | Model | Lease from |
|---|---|---|---|---|---|---|---|
| Aug 2026 | $555,000 | 4-room | 10 to 12 | 104 sqm | 64 years 11 months | Model A | 1992 |
| Jul 2026 | $545,000 | 4-room | 04 to 06 | 104 sqm | 64 years 11 months | Model A | 1992 |
| May 2025 | $574,888 | 4-room | 07 to 09 | 104 sqm | 66 years 02 months | Model A | 1992 |
| Jul 2024 | $525,000 | 4-room | 01 to 03 | 104 sqm | 66 years 11 months | Model A | 1992 |
| Mar 2024 | $620,000 | 5-room | 10 to 12 | 132 sqm | 67 years 05 months | Model A | 1992 |
| Mar 2024 | $532,000 | 4-room | 10 to 12 | 104 sqm | 67 years 05 months | Model A | 1992 |
| Jan 2024 | $504,888 | 4-room | 07 to 09 | 104 sqm | 67 years 07 months | Model A | 1992 |
| Dec 2023 | $510,000 | 4-room | 10 to 12 | 104 sqm | 67 years 09 months | Model A | 1992 |
| Apr 2023 | $630,000 | 5-room | 04 to 06 | 132 sqm | 68 years 03 months | Model A | 1992 |
| Apr 2023 | $496,000 | 4-room | 10 to 12 | 104 sqm | 68 years 03 months | Model A | 1992 |
| Aug 2021 | $435,000 | 4-room | 10 to 12 | 104 sqm | 69 years 11 months | Model A | 1992 |
| Sep 2020 | $300,000 | 4-room | 01 to 03 | 104 sqm | 70 years 11 months | Model A | 1992 |
| Oct 2019 | $315,000 | 4-room | 01 to 03 | 104 sqm | 71 years 09 months | Model A | 1992 |
| Aug 2019 | $360,000 | 4-room | 10 to 12 | 104 sqm | 72 years | Model A | 1992 |
| Jun 2019 | $364,000 | 4-room | 07 to 09 | 104 sqm | 72 years 01 month | Model A | 1992 |
| Nov 2018 | $400,000 | 5-room | 04 to 06 | 132 sqm | 72 years 08 months | Model A | 1992 |
| Sep 2018 | $325,000 | 4-room | 10 to 12 | 104 sqm | 72 years 10 months | Model A | 1992 |
| Jun 2018 | $405,000 | 5-room | 07 to 09 | 132 sqm | 72 years 11 months | Model A | 1992 |