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. Across 46 resales on record, 4-Room flats have recently resold around S$650k (S$490 psf, 108 sqm). 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
- Flat model
- Model A · Improved
- 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 |
Live now: 2 flats listed for sale at this block and 2 for rent — search all listings.
“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 rent and yield does Block 423 Ang Mo Kio Ave 3 get?
Flats at Block 423 Ang Mo Kio Ave 3 have recently sublet for a median of S$2,500/mo, an indicative gross rental yield of about 4.6% (from 10 recent rental contracts).
Median rent
S$2,500/mo
10 recent contracts
Gross rental yield
4.6%
indicative, gross
Annual rent
S$30,000
median × 12 months
| Flat type | Contracts | Median rent |
|---|---|---|
| 4-Room | 9 | S$2,500/mo |
HDB subletting requires the flat owner to have met the 5-year Minimum Occupation Period (MOP), so the rental sample per block is small — treat the yield as indicative. Latest contract Mar 2026. Source: HDB rental (subletting) data.
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 of the Model A / Improved model.
Unit stock by flat type, from the HDB property information dataset.
Where is Block 423 Ang Mo Kio Ave 3?
Block 423 Ang Mo Kio Ave 3 is an HDB block in Ang Mo Kio.
Block 423 Ang Mo Kio Ave 3 is an HDB block located along Ang Mo Kio Ave 3. The block is recorded as completed around 1978, with up to 11 storeys. It has an estimated 100 residential units based on the HDB property information dataset. Flat types in the block include 4-room and 5-room units.
The address is Block 423 Ang Mo Kio Ave 3, Singapore 560423. It is part of District 20, Bishan / Ang Mo Kio, the Ang Mo Kio planning area. The block falls within the North-East Region and the RCR market segment.
The nearest rail connection is Ang Mo Kio MRT, approximately 265m away, around 4 minutes on foot. Nearby amenities include AMK Hub for shopping, NTUC Fairprice Co-operative Ltd for groceries, Blk 453A Ang Mo Kio Ave 10 for food options, Ang Mo Kio Town Garden East for greenery and recreation, Ang Mo Kio Polyclinic for polyclinic services, and Cheng San Community Club for community facilities.
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.
Wondering whether it will hold its value? See do HDB flats actually make money? →
Eyeing Block 423 Ang Mo Kio Ave 3? Ask what it's worth.
Recent transacted prices, what's nearby, and whether an asking price is fair.
PropKakiRecent sales at Block 423 Ang Mo Kio Ave 3 land close to the town median — fair value, no big premium.
Frequently asked questions about Block 423 Ang Mo Kio Ave 3
How much does a 4-Room flat at Block 423 Ang Mo Kio Ave 3 cost?⌄
4-Room flats at Block 423 Ang Mo Kio Ave 3 have recently resold for a median of about S$650k (S$490 psf), from 46 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.
What are resale prices at Block 423 Ang Mo Kio Ave 3 by flat type?⌄
4-Room ≈ S$570k; 5-Room ≈ S$420k (median resale, HDB caveats).
Is Block 423 Ang Mo Kio Ave 3 worth buying given its remaining lease?⌄
Block 423 Ang Mo Kio Ave 3 has about 66 years left on its 99-year lease (completed 1978). That's a long runway, so CPF usage and bank financing are generally unrestricted. The figure is taken from the most recent transacted flat.
What is the rental yield at Block 423 Ang Mo Kio Ave 3?⌄
Gross rental yield at Block 423 Ang Mo Kio Ave 3 is about 4.6%, based on a median subletting rent of about S$2,500/mo against a resale price of about S$650k. HDB subletting requires the owner to have met the 5-year MOP, so the per-block sample is small — treat this as indicative.
How much do I need to earn to buy a flat at Block 423 Ang Mo Kio Ave 3?⌄
For a flat at about S$650k on a 25-year HDB-style loan, you'd need roughly S$5,182/mo in household income, with repayments around S$2,441/mo after a S$163k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.
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.