Block 121 Ang Mo Kio Ave 3
121 Ang Mo Kio Ave 3, Singapore 560121
Block 121 Ang Mo Kio Ave 3 is an HDB block in Ang Mo Kio, completed in 1978, with 217 dwelling units. 3-Room flats have recently resold around S$395k (67 sqm), from 292 resales on record. The lease has approximately 52 years remaining.
What are the key facts about Block 121 Ang Mo Kio Ave 3?
Block 121 Ang Mo Kio Ave 3 is an HDB block in Ang Mo Kio, completed in 1978, with 217 dwelling units.
- Town
- Ang Mo Kio
- Planning area
- Ang Mo Kio
- Completed
- 1978
- Storeys
- 11
- Total units
- 217
- Market segment
- RCR
- Median resale
- S$395k
- Last transacted
- May 2026
- Remaining lease
- ≈ 52 years
What are resale prices at Block 121 Ang Mo Kio Ave 3?
3-Room flats have recently resold around S$395k (S$548 psf), from 292 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 3-Room | 258 | S$395,000recent | 67 sqm | S$548 psf |
| 4-Room | 30 | S$428,000recent | 92 sqm | S$432 psf |
| 5-Room | 1 | S$713,000 | 134 sqm | S$494 psf |
| Executive | 3 | S$580,000 | 162 sqm | S$333 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 May 2026.
What has recently sold at Block 121 Ang Mo Kio Ave 3?
Block 121 Ang Mo Kio Ave 3 has 292 recorded resales; the most recent transacted at S$385,000 in May 2026 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| May 2026 | 3-Room | 01 TO 03 | 67 sqm | S$385,000 |
| May 2026 | 3-Room | 10 TO 12 | 67 sqm | S$395,000 |
| May 2026 | 3-Room | 10 TO 12 | 67 sqm | S$378,888 |
| Apr 2026 | 3-Room | 01 TO 03 | 67 sqm | S$360,000 |
| Mar 2026 | 3-Room | 04 TO 06 | 67 sqm | S$405,000 |
| Sept 2025 | 3-Room | 04 TO 06 | 67 sqm | S$432,000 |
| Sept 2025 | 3-Room | 04 TO 06 | 67 sqm | S$418,888 |
| Jul 2025 | 3-Room | 04 TO 06 | 67 sqm | S$420,000 |
| Dec 2024 | 3-Room | 01 TO 03 | 67 sqm | S$400,000 |
| Aug 2024 | 3-Room | 01 TO 03 | 67 sqm | S$355,000 |
| Jul 2024 | 3-Room | 01 TO 03 | 67 sqm | S$378,000 |
| Jul 2024 | 3-Room | 10 TO 12 | 67 sqm | S$395,000 |
What flat types are in Block 121 Ang Mo Kio Ave 3?
Block 121 Ang Mo Kio Ave 3 has 217 units, mostly 3-Room flats.
Unit stock by flat type, from the HDB property information dataset.
How far is Block 121 Ang Mo Kio Ave 3 from MRT and schools?
The nearest MRT/LRT to Block 121 Ang Mo Kio Ave 3 is Ang Mo Kio MRT, about 672 m away (~11 min walk). 8 schools are within 1 km, including 4 primary schools.
Getting around
- Ang Mo Kio MRT672 m · ~11 min
- Mayflower MRT797 m · ~12 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Ang Mo Kio Secondary SchoolSecondary schoolwithin 1 km304 m
- Ang Mo Kio Primary SchoolPrimary schoolwithin 1 km · P1 priority434 m
- Mayflower Primary SchoolPrimary schoolwithin 1 km · P1 priority742 m
- Eunoia Junior CollegeJunior collegewithin 1 km877 m
- Mayflower Secondary SchoolSecondary schoolwithin 1 km921 m
- Yio Chu Kang Secondary SchoolSecondary schoolwithin 1 km932 m
- Teck Ghee Primary SchoolPrimary schoolwithin 1 km · P1 priority946 m
- Jing Shan Primary SchoolPrimary schoolwithin 1 km · P1 priority998 m
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 121 Ang Mo Kio Ave 3?
Buying a flat at Block 121 Ang Mo Kio Ave 3 (~S$395k) needs about S$3,149/mo in income and S$1,483/mo in repayments, after S$6,450 stamp duty and a S$99k downpayment.
Illustrative, for a buyer at the recent median resale price (S$395k) — 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$6,450
BSD, tiered
Downpayment (25%)
S$99k
cash + CPF
Monthly instalment
S$1,483/mo
25y @ 3.5%
Income required
S$3,149/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 121 Ang Mo Kio Ave 3
What is the resale price at Block 121 Ang Mo Kio Ave 3?⌄
3-Room flats at Block 121 Ang Mo Kio Ave 3 have recently resold around S$395k (67 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.
How much are flats at Block 121 Ang Mo Kio Ave 3 by flat type?⌄
3-Room ≈ S$395k; 4-Room ≈ S$428k; 5-Room ≈ S$713k; Executive ≈ S$580k. Figures are median resale prices from HDB caveats.
How many years are left on the lease at Block 121 Ang Mo Kio Ave 3?⌄
Block 121 Ang Mo Kio Ave 3 has approximately 52 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 121 Ang Mo Kio Ave 3?⌄
Block 121 Ang Mo Kio Ave 3 has 217 dwelling units across up to 11 storeys, mostly 3 room flats.
What is the nearest MRT to Block 121 Ang Mo Kio Ave 3?⌄
The nearest MRT/LRT station to Block 121 Ang Mo Kio Ave 3 is Ang Mo Kio MRT, about 672 m away (~11 min walk).
Which primary schools are within 1 km of Block 121 Ang Mo Kio Ave 3?⌄
Ang Mo Kio Primary School, Mayflower Primary School, Teck Ghee Primary School, Jing Shan Primary School are within 1 km of Block 121 Ang Mo Kio Ave 3 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
Is Block 121 Ang Mo Kio Ave 3 a good place to buy an HDB resale flat?⌄
Block 121 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 (≈52 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.
