Block 423 Ang Mo Kio Ave 3
423 Ang Mo Kio Ave 3, Singapore 560423
Block 423 Ang Mo Kio Ave 3 is an HDB block in Ang Mo Kio, completed in 1978, with 100 dwelling units. 4-Room flats have recently resold around S$650k (108 sqm), from 46 resales on record. The lease has approximately 66 years remaining.
What are the key facts about Block 423 Ang Mo Kio Ave 3?
Block 423 Ang Mo Kio Ave 3 is an HDB block in Ang Mo Kio, completed in 1978, with 100 dwelling units.
- Town
- Ang Mo Kio
- Planning area
- Ang Mo Kio
- Completed
- 1978
- Storeys
- 11
- Total units
- 100
- Market segment
- RCR
- Median resale
- S$650k
- Last transacted
- Dec 2025
- Remaining lease
- ≈ 66 years
What are resale prices at Block 423 Ang Mo Kio Ave 3?
4-Room flats have recently resold around S$650k (S$490 psf), from 46 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 38 | S$570,000recent | 108 sqm | S$490 psf |
| 5-Room | 8 | S$420,000recent | 133 sqm | S$293 psf |
“Recent” medians use the latest transactions; for older blocks the all-time median spans 30+ years and understates today’s price. Source: HDB resale caveats, through Dec 2025.
What has recently sold at Block 423 Ang Mo Kio Ave 3?
Block 423 Ang Mo Kio Ave 3 has 46 recorded resales; the most recent transacted at S$780,000 in Dec 2025 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Dec 2025 | 4-Room | 04 TO 06 | 109 sqm | S$780,000 |
| Sept 2025 | 4-Room | 04 TO 06 | 108 sqm | S$748,888 |
| Feb 2025 | 4-Room | 04 TO 06 | 108 sqm | S$670,000 |
| Sept 2024 | 4-Room | 07 TO 09 | 108 sqm | S$728,000 |
| Aug 2021 | 5-Room | 01 TO 03 | 133 sqm | S$640,000 |
| Jan 2021 | 5-Room | 01 TO 03 | 133 sqm | S$680,000 |
| Jul 2020 | 5-Room | 01 TO 03 | 133 sqm | S$650,000 |
| Jul 2020 | 4-Room | 04 TO 06 | 109 sqm | S$580,000 |
| May 2020 | 4-Room | 04 TO 06 | 108 sqm | S$540,000 |
| Jan 2020 | 5-Room | 01 TO 03 | 133 sqm | S$700,000 |
| Mar 2016 | 4-Room | 10 TO 12 | 108 sqm | S$585,000 |
| Nov 2012 | 4-Room | 10 TO 12 | 108 sqm | S$570,000 |
What flat types are in Block 423 Ang Mo Kio Ave 3?
Block 423 Ang Mo Kio Ave 3 has 100 units, mostly 4-Room flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 423 Ang Mo Kio Ave 3 from MRT and schools?
The nearest MRT/LRT to Block 423 Ang Mo Kio Ave 3 is Ang Mo Kio MRT, about 265 m away (~4 min walk). 5 schools are within 1 km, including 3 primary schools.
Getting around
- Ang Mo Kio MRT265 m · ~4 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Deyi Secondary SchoolSecondary schoolwithin 1 km321 m
- Teck Ghee Primary SchoolPrimary schoolwithin 1 km · P1 priority357 m
- Jing Shan Primary SchoolPrimary schoolwithin 1 km · P1 priority393 m
- Anderson Secondary SchoolSecondary schoolwithin 1 km624 m
- Townsville Primary SchoolPrimary schoolwithin 1 km · P1 priority998 m
- Ang Mo Kio Secondary SchoolSecondary school1.1 km
- Mayflower Primary SchoolPrimary school1.3 km
- Ang Mo Kio Primary SchoolPrimary school1.3 km
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 423 Ang Mo Kio Ave 3?
Buying a flat at Block 423 Ang Mo Kio Ave 3 (~S$650k) needs about S$5,182/mo in income and S$2,441/mo in repayments, after S$14,100 stamp duty and a S$163k downpayment.
Illustrative, for a buyer at the recent median resale price (S$650k) — 25% downpayment (bank-loan basis), 25-year loan at 3.5% p.a. Rates as of May 2026. Run it for your own profile →
Buyer's Stamp Duty
S$14,100
BSD, tiered
Downpayment (25%)
S$163k
cash + CPF
Monthly instalment
S$2,441/mo
25y @ 3.5%
Income required
S$5,182/mo
MSR/TDSR @ stress rate
First-time HDB buyers pay no Additional Buyer’s Stamp Duty (ABSD) and may qualify for CPF Housing Grants of up to S$80,000+, which lower the cash required — these are not included above. An HDB concessionary loan also allows a smaller downpayment.
Frequently asked questions about Block 423 Ang Mo Kio Ave 3
What is the resale price at Block 423 Ang Mo Kio Ave 3?⌄
4-Room flats at Block 423 Ang Mo Kio Ave 3 have recently resold around S$650k (108 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How much are flats at Block 423 Ang Mo Kio Ave 3 by flat type?⌄
4-Room ≈ S$570k; 5-Room ≈ S$420k. Figures are median resale prices from HDB caveats.
How many years are left on the lease at Block 423 Ang Mo Kio Ave 3?⌄
Block 423 Ang Mo Kio Ave 3 has approximately 66 years left on its 99-year lease (completed 1978). This figure is taken from the most recent transacted flat.
How many units are in Block 423 Ang Mo Kio Ave 3?⌄
Block 423 Ang Mo Kio Ave 3 has 100 dwelling units across up to 11 storeys, mostly 4 room flats.
What is the nearest MRT to Block 423 Ang Mo Kio Ave 3?⌄
The nearest MRT/LRT station to Block 423 Ang Mo Kio Ave 3 is Ang Mo Kio MRT, about 265 m away (~4 min walk).
Which primary schools are within 1 km of Block 423 Ang Mo Kio Ave 3?⌄
Teck Ghee Primary School, Jing Shan Primary School, Townsville Primary School are within 1 km of Block 423 Ang Mo Kio Ave 3 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 423 Ang Mo Kio Ave 3 a good place to buy an HDB resale flat?⌄
Block 423 Ang Mo Kio Ave 3 sits in Ang Mo Kio, in the Ang Mo Kio planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈66 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.
