Blk 621 Ang Mo Kio Ave 9
Completed 1979 · 12 storeys · 107 flats · 53 years 05 months remaining · 26 resale transactions on record · adjoined flats on the record · median household income in Ang Mo Kio: $7,500/mo (lowest quartile island-wide)
12 storeys · completed 1979
What the record shows
A 3-room here sold for $435,000 in Jun 2026. The same flat type in this block averaged $350,950 in 2021 - a gain of $84,050 - about $46 a day while the owner slept.
This block crossed 60 years remaining in 2019 - the line where CPF usage rules tighten for buyers. In Ang Mo Kio over the last two years, flats below that line sold at a median 39% below their younger neighbours' PSF (1,549 sales).
Rent check
What flats in this block actually rented for in the last 12 months - official approvals, not listings. If you’re quoted much more, you have a number to negotiate with.
| Type | Block median | Range | Ang Mo Kio median | Gross yield | Rented |
|---|---|---|---|---|---|
| 3-ROOM | $2,200/mo | $2,000–$2,600 | $2,800/mo | - | 3 |
| 4-ROOM | $3,200/mo | $3,200–$3,200 | $3,400/mo | - | 1 |
Price trend
median PSF by year · ━ this block · ╌ Ang Mo Kio · gaps = years with no sales here
Every recent sale HDB official record, latest 26
| Month | Type | Storey | Area (sqm) | Price | PSF | Lease left |
|---|---|---|---|---|---|---|
| Jun 2026 | 3 ROOM | 07 to 09 | 68 | $435,000 | $594 | 53y 05m |
| Sept 2025 | 3 ROOM | 07 to 09 | 68 | $455,000 | $622 | 54y |
| Jul 2025 | 4 ROOM | 07 to 09 | 92 | $610,888 | $617 | 54y 03m |
| Jul 2025 | 3 ROOM | 10 to 12 | 68 | $428,000 | $585 | 54y 02m |
| Jul 2025 | 3 ROOM | 07 to 09 | 68 | $450,000 | $615 | 54y 03m |
| Jun 2025 | 3 ROOM | 10 to 12 | 68 | $430,000 | $587 | 54y 03m |
| Mar 2023 | 4 ROOM | 04 to 06 | 92 | $486,000 | $491 | 56y 07m |
| Oct 2022 | 3 ROOM | 07 to 09 | 68 | $370,000 | $506 | 57y |
| Feb 2022 | 4 ROOM | 07 to 09 | 92 | $418,000 | $422 | 57y 07m |
| Feb 2022 | 3 ROOM | 07 to 09 | 68 | $370,000 | $506 | 57y 08m |
| Oct 2021 | 3 ROOM | 10 to 12 | 68 | $338,800 | $463 | 58y |
| Oct 2021 | 4 ROOM | 10 to 12 | 92 | $425,000 | $429 | 58y |
| Oct 2021 | 4 ROOM | 07 to 09 | 92 | $432,288 | $437 | 58y |
| Mar 2021 | 3 ROOM | 04 to 06 | 82 | $350,000 | $397 | 58y 06m |
| Jan 2021 | EXECUTIVE | 01 to 03 | 150 | $680,000 | $421 | 58y 08m |
| Jan 2021 | 3 ROOM | 04 to 06 | 82 | $345,000 | $391 | 58y 09m |
| Feb 2020 | 4 ROOM | 07 to 09 | 92 | $419,000 | $423 | 59y 07m |
| Feb 2020 | 4 ROOM | 04 to 06 | 92 | $340,888 | $344 | 59y 08m |
| Dec 2019 | 3 ROOM | 10 to 12 | 68 | $290,000 | $396 | 59y 09m |
| Dec 2019 | 3 ROOM | 07 to 09 | 68 | $285,000 | $389 | 59y 09m |
| Oct 2019 | 3 ROOM | 04 to 06 | 68 | $285,000 | $389 | 59y 11m |
| Jul 2019 | 4 ROOM | 07 to 09 | 92 | $418,000 | $422 | 60y 02m |
| Apr 2019 | 3 ROOM | 10 to 12 | 68 | $275,000 | $376 | 60y 05m |
| Apr 2018 | 4 ROOM | 07 to 09 | 92 | $460,000 | $465 | 61y 05m |
| Mar 2018 | 3 ROOM | 04 to 06 | 68 | $298,000 | $407 | 61y 06m |
| Apr 2017 | 3 ROOM | 04 to 06 | 68 | $300,000 | $410 | 62y 05m |
Who lives in Ang Mo Kio
Census of Population 2020 · planning-area aggregates · SingStat via data.gov.sg
The neighbourhood
What sits around this address - distances computed from official OneMap and LTA records.
The neighbourhood, photographed
freely-licensed photographs taken within ~450 m · Wikimedia Commons
Around this block
The nearest blocks by actual distance - street names are postal artifacts, so true neighbours often sit on a different road. Price gaps are median-vs-median on the flat type both blocks actually trade.
built 1979 · same generation
built 2024 · 45 more lease years than this block
3-room median within $5k of this block
built 1980 · same generation
built 1980 · same generation
built 1979 · 13 more lease years than this block
Condos nearby
The private premium, measured: the nearest condo trades at 1.6×this block’s PSF.
Grounded in this block’s own resale record, trend and lease - ask away.