Block 644 Ang Mo Kio Ave 4
644 Ang Mo Kio Ave 4, Singapore 560644
Block 644 Ang Mo Kio Ave 4 is an HDB block in Ang Mo Kio, completed in 1980, with 158 dwelling units. 3-Room flats have recently resold around S$445k (75 sqm), from 248 resales on record. The lease has approximately 54 years remaining.
What are the key facts about Block 644 Ang Mo Kio Ave 4?
Block 644 Ang Mo Kio Ave 4 is an HDB block in Ang Mo Kio, completed in 1980, with 158 dwelling units.
- Town
- Ang Mo Kio
- Planning area
- Ang Mo Kio
- Completed
- 1980
- Storeys
- 11
- Total units
- 158
- Market segment
- RCR
- Median resale
- S$445k
- Last transacted
- Nov 2025
- Remaining lease
- ≈ 54 years
What are resale prices at Block 644 Ang Mo Kio Ave 4?
3-Room flats have recently resold around S$445k (S$533 psf), from 248 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 3-Room | 222 | S$430,000recent | 75 sqm | S$533 psf |
| 4-Room | 25 | S$250,000recent | 100 sqm | S$232 psf |
| 5-Room | 1 | S$688,888 | 150 sqm | S$427 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 Nov 2025.
What has recently sold at Block 644 Ang Mo Kio Ave 4?
Block 644 Ang Mo Kio Ave 4 has 248 recorded resales; the most recent transacted at S$525,000 in Nov 2025 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Nov 2025 | 3-Room | 07 TO 09 | 89 sqm | S$525,000 |
| Nov 2025 | 3-Room | 04 TO 06 | 75 sqm | S$440,000 |
| Oct 2025 | 3-Room | 07 TO 09 | 75 sqm | S$458,000 |
| Apr 2025 | 4-Room | 07 TO 09 | 100 sqm | S$568,000 |
| Feb 2025 | 3-Room | 10 TO 12 | 75 sqm | S$450,000 |
| Oct 2024 | 3-Room | 04 TO 06 | 75 sqm | S$430,000 |
| Oct 2024 | 3-Room | 01 TO 03 | 89 sqm | S$480,000 |
| Aug 2024 | 3-Room | 07 TO 09 | 75 sqm | S$465,000 |
| Dec 2023 | 3-Room | 10 TO 12 | 75 sqm | S$430,000 |
| Oct 2023 | 3-Room | 01 TO 03 | 75 sqm | S$388,000 |
| Oct 2023 | 3-Room | 04 TO 06 | 75 sqm | S$380,000 |
| May 2023 | 4-Room | 01 TO 03 | 100 sqm | S$445,000 |
What flat types are in Block 644 Ang Mo Kio Ave 4?
Block 644 Ang Mo Kio Ave 4 has 158 units, mostly 3-Room flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 644 Ang Mo Kio Ave 4 from MRT and schools?
The nearest MRT/LRT to Block 644 Ang Mo Kio Ave 4 is Yio Chu Kang MRT, about 532 m away (~8 min walk). 5 schools are within 1 km, including 2 primary schools.
Getting around
- Yio Chu Kang MRT532 m · ~8 min
- Lentor MRT913 m · ~14 min
- Mayflower MRT983 m · ~15 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Yio Chu Kang Secondary SchoolSecondary schoolwithin 1 km187 m
- Mayflower Primary SchoolPrimary schoolwithin 1 km · P1 priority402 m
- Presbyterian High SchoolSecondary schoolwithin 1 km402 m
- Anderson Primary SchoolPrimary schoolwithin 1 km · P1 priority571 m
- Chij St. Nicholas Girls' SchoolMixed-level schoolwithin 1 km975 m
- Ang Mo Kio Primary SchoolPrimary school1.1 km
- Anderson Secondary SchoolSecondary school1.3 km
- Ang Mo Kio Secondary SchoolSecondary 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 644 Ang Mo Kio Ave 4?
Buying a flat at Block 644 Ang Mo Kio Ave 4 (~S$445k) needs about S$3,547/mo in income and S$1,671/mo in repayments, after S$7,950 stamp duty and a S$111k downpayment.
Illustrative, for a buyer at the recent median resale price (S$445k) — 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$7,950
BSD, tiered
Downpayment (25%)
S$111k
cash + CPF
Monthly instalment
S$1,671/mo
25y @ 3.5%
Income required
S$3,547/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 644 Ang Mo Kio Ave 4
What is the resale price at Block 644 Ang Mo Kio Ave 4?⌄
3-Room flats at Block 644 Ang Mo Kio Ave 4 have recently resold around S$445k (75 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How much are flats at Block 644 Ang Mo Kio Ave 4 by flat type?⌄
3-Room ≈ S$430k; 4-Room ≈ S$250k; 5-Room ≈ S$689k. Figures are median resale prices from HDB caveats.
How many years are left on the lease at Block 644 Ang Mo Kio Ave 4?⌄
Block 644 Ang Mo Kio Ave 4 has approximately 54 years left on its 99-year lease (completed 1980). This figure is taken from the most recent transacted flat.
How many units are in Block 644 Ang Mo Kio Ave 4?⌄
Block 644 Ang Mo Kio Ave 4 has 158 dwelling units across up to 11 storeys, mostly 3 room flats.
What is the nearest MRT to Block 644 Ang Mo Kio Ave 4?⌄
The nearest MRT/LRT station to Block 644 Ang Mo Kio Ave 4 is Yio Chu Kang MRT, about 532 m away (~8 min walk).
Which primary schools are within 1 km of Block 644 Ang Mo Kio Ave 4?⌄
Mayflower Primary School, Anderson Primary School are within 1 km of Block 644 Ang Mo Kio Ave 4 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 644 Ang Mo Kio Ave 4 a good place to buy an HDB resale flat?⌄
Block 644 Ang Mo Kio Ave 4 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 (≈54 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.
