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. Across 293 resales on record, 3-Room flats have recently resold around S$395k (S$548 psf, 67 sqm). The lease has approximately 51 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
- Flat model
- New Generation · Adjoined Flat
- Market segment
- RCR
- Median resale
- S$395k
- Last transacted
- Jul 2026
- Remaining lease
- ≈ 51 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 293 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 3-Room | 259 | 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 |
Live now: 16 flats listed for sale at this block (median asking S$415k) — 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 Jul 2026.
What rent and yield does Block 121 Ang Mo Kio Ave 3 get?
Flats at Block 121 Ang Mo Kio Ave 3 have recently sublet for a median of S$2,800/mo, an indicative gross rental yield of about 8.5% (from 24 recent rental contracts).
Median rent
S$2,800/mo
24 recent contracts
Gross rental yield
8.5%
indicative, gross
Annual rent
S$33,600
median × 12 months
| Flat type | Contracts | Median rent |
|---|---|---|
| 3-Room | 24 | S$2,800/mo |
| 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 May 2026. Source: HDB rental (subletting) data.
What has recently sold at Block 121 Ang Mo Kio Ave 3?
Block 121 Ang Mo Kio Ave 3 has 293 recorded resales; the most recent transacted at S$370,000 in Jul 2026 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Jul 2026 | 3-Room | 04 TO 06 | 67 sqm | S$370,000 |
| May 2026 | 3-Room | 10 TO 12 | 67 sqm | S$378,888 |
| May 2026 | 3-Room | 01 TO 03 | 67 sqm | S$385,000 |
| May 2026 | 3-Room | 10 TO 12 | 67 sqm | S$395,000 |
| 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 | 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 of the New Generation / Adjoined Flat model.
Unit stock by flat type, from the HDB property information dataset.
Where is Block 121 Ang Mo Kio Ave 3?
Block 121 Ang Mo Kio Ave 3 is an HDB block in Ang Mo Kio.
Block 121 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 217 residential units based on the HDB property information dataset. Flat types in the block include 3-room, 4-room, 5-room, and executive units.
The address is Block 121 Ang Mo Kio Ave 3, Singapore 560121. 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 672m away, around 10 minutes on foot. Nearby amenities include Jubilee Square for shopping, SHENG SIONG SUPERMARKET PTE LTD for groceries, Blk 724 Ang Mo Kio Ave 6 for food options, Ang Mo Kio Town Garden West for greenery and recreation, Ang Mo Kio Polyclinic for polyclinic services, and Ang Mo Kio Community Centre for community facilities.
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.
Wondering whether it will hold its value? See do HDB flats actually make money? →
Eyeing Block 121 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 121 Ang Mo Kio Ave 3 land close to the town median — fair value, no big premium.
Frequently asked questions about Block 121 Ang Mo Kio Ave 3
How much does a 3-Room flat at Block 121 Ang Mo Kio Ave 3 cost?⌄
3-Room flats at Block 121 Ang Mo Kio Ave 3 have recently resold for a median of about S$395k (S$548 psf), from 293 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.
What are resale prices 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 (median resale, HDB caveats).
Is Block 121 Ang Mo Kio Ave 3 worth buying given its remaining lease?⌄
Block 121 Ang Mo Kio Ave 3 has about 51 years left on its 99-year lease (completed 1978). Below ~60 years, CPF usage and the maximum loan start to taper with the buyer's age, so check financing before committing. The figure is taken from the most recent transacted flat.
What is the rental yield at Block 121 Ang Mo Kio Ave 3?⌄
Gross rental yield at Block 121 Ang Mo Kio Ave 3 is about 8.5%, based on a median subletting rent of about S$2,800/mo against a resale price of about S$395k. 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 121 Ang Mo Kio Ave 3?⌄
For a flat at about S$395k on a 25-year HDB-style loan, you'd need roughly S$3,149/mo in household income, with repayments around S$1,483/mo after a S$99k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.
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.