PropKaki
HDBRCRAng Mo Kio

Block 621 Ang Mo Kio Ave 9

621 Ang Mo Kio Ave 9, Singapore 560621

Reviewed by Nathan TangUpdated 21 June 2026Data through Sept 2025 (HDB)
Quick Summary

Block 621 Ang Mo Kio Ave 9 is an HDB block in Ang Mo Kio, completed in 1979, with 107 dwelling units. 3-Room flats have recently resold around S$428k (68 sqm), from 176 resales on record. The lease has approximately 54 years remaining.

1

What are the key facts about Block 621 Ang Mo Kio Ave 9?

Key Takeaway

Block 621 Ang Mo Kio Ave 9 is an HDB block in Ang Mo Kio, completed in 1979, with 107 dwelling units.

Town
Ang Mo Kio
Planning area
Ang Mo Kio
Completed
1979
Storeys
12
Total units
107
Market segment
RCR
Median resale
S$428k
Last transacted
Sept 2025
Remaining lease
≈ 54 years
2

What are resale prices at Block 621 Ang Mo Kio Ave 9?

Key Takeaway

3-Room flats have recently resold around S$428k (S$506 psf), from 176 resales on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
3-Room146S$350,000recent68 sqmS$463 psf
4-Room29S$432,288recent92 sqmS$437 psf
Executive1S$680,000150 sqmS$421 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 Sept 2025.

3

What has recently sold at Block 621 Ang Mo Kio Ave 9?

Key Takeaway

Block 621 Ang Mo Kio Ave 9 has 176 recorded resales; the most recent transacted at S$455,000 in Sept 2025 (HDB caveat data).

DateFlat typeStoreySizePrice
Sept 20253-Room07 TO 0968 sqmS$455,000
Jul 20254-Room07 TO 0992 sqmS$610,888
Jul 20253-Room07 TO 0968 sqmS$450,000
Jul 20253-Room10 TO 1268 sqmS$428,000
Jun 20253-Room10 TO 1268 sqmS$430,000
Mar 20234-Room04 TO 0692 sqmS$486,000
Oct 20223-Room07 TO 0968 sqmS$370,000
Feb 20223-Room07 TO 0968 sqmS$370,000
Feb 20224-Room07 TO 0992 sqmS$418,000
Oct 20214-Room07 TO 0992 sqmS$432,288
Oct 20214-Room10 TO 1292 sqmS$425,000
Oct 20213-Room10 TO 1268 sqmS$338,800
4

What flat types are in Block 621 Ang Mo Kio Ave 9?

Key Takeaway

Block 621 Ang Mo Kio Ave 9 has 107 units, mostly 3-Room flats.

Unit stock by flat type, from the HDB property information dataset.

3-Room: 824-Room: 225-Room: 2Executive: 1
5

How far is Block 621 Ang Mo Kio Ave 9 from MRT and schools?

Key Takeaway

The nearest MRT/LRT to Block 621 Ang Mo Kio Ave 9 is Yio Chu Kang MRT, about 496 m away (~8 min walk). 4 schools are within 1 km, including 2 primary schools.

Getting around

Schools nearby

Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

  • Anderson Primary SchoolPrimary schoolwithin 1 km · P1 priority159 m
  • Presbyterian High SchoolSecondary schoolwithin 1 km298 m
  • Yio Chu Kang Secondary SchoolSecondary schoolwithin 1 km585 m
  • Mayflower Primary SchoolPrimary schoolwithin 1 km · P1 priority794 m
  • Chij St. Nicholas Girls' SchoolMixed-level school1.3 km
  • Ang Mo Kio Primary SchoolPrimary school1.5 km
  • Anderson Secondary SchoolSecondary school1.5 km
  • Mayflower Secondary SchoolSecondary school1.7 km

Shops, food & parks

Mall: Jubilee Square · 1.5 kmSupermarket: Cold Storage Singapore (1983) Pte Ltd · 994 mHawker centre: Blk 628 Ang Mo Kio Ave 4 · 227 mPark: Yio Chu Kang Gardens Pg · 440 m

Straight-line distances from the block. Source: PropKaki amenities data.

6

What does it cost to buy a flat at Block 621 Ang Mo Kio Ave 9?

Key Takeaway

Buying a flat at Block 621 Ang Mo Kio Ave 9 (~S$428k) needs about S$3,412/mo in income and S$1,607/mo in repayments, after S$7,440 stamp duty and a S$107k downpayment.

Illustrative, for a buyer at the recent median resale price (S$428k) — 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$7,440

BSD, tiered

Downpayment (25%)

S$107k

cash + CPF

Monthly instalment

S$1,607/mo

25y @ 3.5%

Income required

S$3,412/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.

7

Frequently asked questions about Block 621 Ang Mo Kio Ave 9

What is the resale price at Block 621 Ang Mo Kio Ave 9?

3-Room flats at Block 621 Ang Mo Kio Ave 9 have recently resold around S$428k (68 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.

How much are flats at Block 621 Ang Mo Kio Ave 9 by flat type?

3-Room ≈ S$350k; 4-Room ≈ S$432k; Executive ≈ S$680k. Figures are median resale prices from HDB caveats.

How many years are left on the lease at Block 621 Ang Mo Kio Ave 9?

Block 621 Ang Mo Kio Ave 9 has approximately 54 years left on its 99-year lease (completed 1979). This figure is taken from the most recent transacted flat.

How many units are in Block 621 Ang Mo Kio Ave 9?

Block 621 Ang Mo Kio Ave 9 has 107 dwelling units across up to 12 storeys, mostly 3 room flats.

What is the nearest MRT to Block 621 Ang Mo Kio Ave 9?

The nearest MRT/LRT station to Block 621 Ang Mo Kio Ave 9 is Yio Chu Kang MRT, about 496 m away (~8 min walk).

Which primary schools are within 1 km of Block 621 Ang Mo Kio Ave 9?

Anderson Primary School, Mayflower Primary School are within 1 km of Block 621 Ang Mo Kio Ave 9 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

Is Block 621 Ang Mo Kio Ave 9 a good place to buy an HDB resale flat?

Block 621 Ang Mo Kio Ave 9 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.

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