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Block 623 Ang Mo Kio Avenue 9

3 Room · 4 Room · Executive · Built 1980 · 53 years remaining lease · Updated Oct 2026 MOP Cleared

Block 623 Ang Mo Kio Avenue 9 has 17 recorded HDB resale transactions since 2017. Latest sale: $430,888 (Oct 2026, 3 room, floors 10–12). Median $4,565/sqm. Prices up 42.7% over the past five years. Built 1980, 53 years lease remaining.

Blk 623 at $412K sits 5% above Ang Mo Kio's $392K town median, pricier than 55% of its 363 priced blocks. See all HDB prices in Ang Mo Kio →

How this block compares

  • 3 Room$470,888
    +9.5%vs town(+$41k)+7.0%vs national(+$31k)

Median of resales in the 12 months to Oct 2026, compared with town and Singapore medians on the same basis. Flat types with fewer than two sales in the window are omitted.

Latest Sale
$430,888
Oct 2026 · 3 ROOM · Floor 10-12
Median $/sqm
$4,565
Based on 17 transactions
Total Transactions
17
Since Jan 2017
5-Year Trend
▲ +42.7%
Median price change
Median Price ?
Top 45%
#164 / 363 Top 45%
Latest Sale ?
Top 68%
#247 / 363 Top 68%
Value ($/sqm) ?
Top 85%
#308 / 363 Top 85%
5-Year Growth ?
Top 14%
#41 / 287 Top 14%
Price Trend
Source: HDB Resale Flat Prices, data.gov.sg. Updated monthly.
What's Your Unit Worth?
HDB records transactions in 3-storey bands (e.g. 01 TO 03). Pick the band closest to your floor.
Estimated Market Value
--
How we estimate this →
Future Value Projection
▲
Market Appreciation
+7.4%/yr
vs
▼
Lease Decay
−0.67%/yr
Growth assumption
Based on this block’s +42.7% growth over 5 years
Estimated value in --
--
Market appreciation --
Lease decay --
Net effect --
Projection uses Bala's Table (SLA leasehold model) for lease decay and your selected growth rate for appreciation. Lease decay is non-linear and accelerates as remaining lease shortens. Past growth does not guarantee future performance. Not financial advice.
Lease Decay Projection
0 years 53 years remaining 99 years
53 years
Remaining lease
↓ 0.67%/yr
Annual lease decay (Bala's Table)
Based on Bala's Table (SLA leasehold relativity model). At 53 years remaining, decay is gradual (~0.67%/yr). It accelerates significantly below 40 years. Market appreciation (historically 2-4%/yr) currently outpaces lease decay for this block.
Rental & Yield

What this block rents for, and the gross rental yield (annual rent ÷ resale price). Figures are from rentals at this block where available.

Flat type Median rent /mo Gross yield Based on
3-Room $2,850 typically $2,800–$2,900 7.3% 6 rentals here
4-Room $3,400 typically $3,200–$3,600 6.6% Ang Mo Kio avg · block too thin
Executive $4,000 typically $3,900–$4,100 4% Ang Mo Kio avg · block too thin
Gross yield is annual rent before maintenance, property tax, and vacancy, so net return is lower. Renting out a whole HDB flat requires meeting the 5-year Minimum Occupation Period and HDB approval. Rents are owner-declared to HDB and unverified.
Source: HDB Renting Out of Flats, data.gov.sg (Singapore Open Data Licence).
Primary schools nearby

This block is inside the 1 km Primary 1 priority zone for 2 popular schools. When a school is oversubscribed, MOE ballots by home–school distance, and homes within 1 km are drawn first.

Compare homes near all 50 popular schools
Distances are straight-line estimates from this block, indicative only. MOE measures from its own school reference point, so confirm the exact distance before relying on it.
Where this home sits, and its schools
2 schools in the 1 km top-priority zone
  • This home
  • School within 1 km
  • School 1–2 km
  • 1km ring, top priority
  • 2km ring, next tier

Straight-line distances, the basis MOE uses for Home–School Distance priority. Tap a school to open it. Map © OneMap, SLA.

Nearby comparable homes

Other HDB blocks closest to Block 623 Ang Mo Kio Avenue 9 in Ang Mo Kio, with their median resale price. Useful for comparing what a flat here costs against its immediate neighbours.

See all HDB blocks in Ang Mo Kio
Distances are straight-line estimates from this home, indicative only. Prices are medians of recorded resale transactions, not asking prices.
All Transactions
Date Floor Type Area Price $/sqm
Oct 2026 10 TO 12 3 ROOM 68 sqm $430,888 $6,337
Oct 2026 04 TO 06 3 ROOM 68 sqm $470,888 $6,925
Aug 2026 07 TO 09 3 ROOM 82 sqm $502,888 $6,133
Dec 2024 01 TO 03 3 ROOM 68 sqm $425,000 $6,250
Feb 2024 01 TO 03 4 ROOM 92 sqm $475,000 $5,163
Sep 2022 10 TO 12 3 ROOM 68 sqm $390,000 $5,735
Nov 2021 04 TO 06 3 ROOM 68 sqm $330,000 $4,853
Sep 2020 10 TO 12 4 ROOM 92 sqm $418,000 $4,543
Aug 2020 10 TO 12 3 ROOM 82 sqm $355,000 $4,329
Jun 2020 01 TO 03 3 ROOM 68 sqm $235,000 $3,456
Mar 2020 10 TO 12 4 ROOM 92 sqm $420,000 $4,565
Jan 2020 07 TO 09 EXECUTIVE 150 sqm $623,000 $4,153
Oct 2019 10 TO 12 3 ROOM 68 sqm $280,000 $4,118
Sep 2018 01 TO 03 4 ROOM 92 sqm $411,888 $4,477
Aug 2018 01 TO 03 3 ROOM 68 sqm $260,000 $3,824
Jul 2017 07 TO 09 3 ROOM 68 sqm $310,000 $4,559
Jun 2017 04 TO 06 3 ROOM 68 sqm $316,000 $4,647
Showing 17 of 17 transactions
Source: HDB Resale Flat Prices, data.gov.sg (Singapore Open Data Licence).

About Block 623 Ang Mo Kio Avenue 9

Block 623 Ang Mo Kio Avenue 9 in Ang Mo Kio dates to 1980 and now has roughly 53 years of lease remaining, which makes lease decay the central consideration for buyers. Its $411,888 median tracks close to the Ang Mo Kio town median. It has a relatively light resale record, with 17 transactions since 2017 across 3 room, 4 room, executive flats priced from $235,000 to $623,000. The most recent transaction was a 3 room flat on storeys 10 TO 12 at $430,888 in Oct 2026, and the median works out to $4,565/sqm. Higher floors carry a premium, with the 10 TO 12 band trading roughly 43% above the 01 TO 03 band. Over five years, prices here are up about 42.7%. All transaction data is sourced from data.gov.sg and updated monthly.

Frequently Asked Questions

How much is an HDB flat at Block 623 Ang Mo Kio Avenue 9 worth?

The most recent resale transaction at Block 623 Ang Mo Kio Avenue 9 was $430,888 for a 3 room flat in 2026-10. The median price per square metre across all flat types is $4,565, based on 17 transactions since January 2017. Data sourced from data.gov.sg.

What is the remaining lease for Block 623 Ang Mo Kio Avenue 9?

Block 623 Ang Mo Kio Avenue 9 was built in 1980 and has approximately 53 years remaining on its 99-year lease. Under Bala's Table (the SLA leasehold valuation model), the annual lease decay rate is 0.67%, meaning the leasehold value decreases by approximately 0.67% per year at the current remaining lease.

What flat types are available at Block 623 Ang Mo Kio Avenue 9?

Block 623 Ang Mo Kio Avenue 9 in Ang Mo Kio contains 3 room, 4 room, executive flats. Resale prices range from $235,000 to $623,000 based on historical transaction records from data.gov.sg.

Have HDB prices at Block 623 Ang Mo Kio Avenue 9 gone up or down?

Resale prices at Block 623 Ang Mo Kio Avenue 9 have increased by approximately 42.7% over the past five years. The current median price is $411,888, with the most recent sale at $430,888 in 2026-10.

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