Block 423 Yishun Ave 11
423 Yishun Ave 11, Singapore 760423
Block 423 Yishun Ave 11 is an HDB block in Yishun, completed in 1987, with 110 dwelling units. Across 184 resales on record, 4-Room flats have recently resold around S$410k (S$448 psf, 84 sqm). The lease has approximately 62 years remaining.
What are the key facts about Block 423 Yishun Ave 11?
Block 423 Yishun Ave 11 is an HDB block in Yishun, completed in 1987, with 110 dwelling units.
- Town
- Yishun
- Planning area
- Yishun
- Completed
- 1987
- Storeys
- 12
- Total units
- 110
- Flat model
- Simplified · Model A
- Market segment
- OCR
- Median resale
- S$410k
- Last transacted
- Feb 2026
- Remaining lease
- ≈ 62 years
What are resale prices at Block 423 Yishun Ave 11?
4-Room flats have recently resold around S$410k (S$448 psf), from 184 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 184 | S$410,000recent | 84 sqm | S$448 psf |
Live now: 7 flats listed for sale at this block (median asking S$515k) — 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 Feb 2026.
What rent and yield does Block 423 Yishun Ave 11 get?
Flats at Block 423 Yishun Ave 11 have recently sublet for a median of S$2,500/mo, an indicative gross rental yield of about 7.3% (from 20 recent rental contracts).
Median rent
S$2,500/mo
20 recent contracts
Gross rental yield
7.3%
indicative, gross
Annual rent
S$30,000
median × 12 months
| Flat type | Contracts | Median rent |
|---|---|---|
| 4-Room | 20 | 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 Jul 2025. Source: HDB rental (subletting) data.
What has recently sold at Block 423 Yishun Ave 11?
Block 423 Yishun Ave 11 has 184 recorded resales; the most recent transacted at S$490,000 in Feb 2026 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Feb 2026 | 4-Room | 07 TO 09 | 84 sqm | S$490,000 |
| Dec 2025 | 4-Room | 07 TO 09 | 104 sqm | S$550,000 |
| Mar 2025 | 4-Room | 01 TO 03 | 84 sqm | S$468,000 |
| Mar 2025 | 4-Room | 10 TO 12 | 84 sqm | S$500,000 |
| Jun 2024 | 4-Room | 07 TO 09 | 84 sqm | S$458,000 |
| May 2023 | 4-Room | 10 TO 12 | 84 sqm | S$410,000 |
| Jan 2023 | 4-Room | 07 TO 09 | 84 sqm | S$405,000 |
| Aug 2022 | 4-Room | 07 TO 09 | 84 sqm | S$325,000 |
| Aug 2022 | 4-Room | 10 TO 12 | 104 sqm | S$445,000 |
| Aug 2022 | 4-Room | 01 TO 03 | 84 sqm | S$375,000 |
| Aug 2021 | 4-Room | 01 TO 03 | 84 sqm | S$349,000 |
| Aug 2021 | 4-Room | 07 TO 09 | 84 sqm | S$395,000 |
What flat types are in Block 423 Yishun Ave 11?
Block 423 Yishun Ave 11 has 110 units, mostly 4-Room flats of the Simplified / Model A model.
Unit stock by flat type, from the HDB property information dataset.
Where is Block 423 Yishun Ave 11?
Block 423 Yishun Ave 11 is an HDB block in Yishun.
Block 423 Yishun Ave 11 is an HDB block located along Yishun Ave 11. The block is recorded as completed around 1987, with up to 12 storeys. It has an estimated 110 residential units based on the HDB property information dataset. Flat types in the block include 4-room units.
The address is Block 423 Yishun Ave 11, Singapore 760423. It is part of District 27, Yishun / Sembawang, the Yishun planning area. The block falls within the North Region and the OCR market segment.
Nearby amenities include Junction 9 for shopping, COLD STORAGE SINGAPORE (1983) PTE LTD for groceries, Yishun Park Hawker Centre for food options, Yishun Pk for greenery and recreation, and Nee Soon Link Community Centre for community facilities.
How far is Block 423 Yishun Ave 11 from MRT and schools?
4 schools are within 1 km, including 3 primary schools.
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Northbrooks Secondary SchoolSecondary schoolwithin 1 km418 m
- North View Primary SchoolPrimary schoolwithin 1 km · P1 priority521 m
- Huamin Primary SchoolPrimary schoolwithin 1 km · P1 priority645 m
- Northland Primary SchoolPrimary schoolwithin 1 km · P1 priority847 m
- Chung Cheng High School (Yishun)Secondary school1.3 km
- Naval Base Primary SchoolPrimary school1.3 km
- Orchid Park Secondary SchoolSecondary school1.4 km
- Yishun Town Secondary SchoolSecondary school1.5 km
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 423 Yishun Ave 11?
Buying a flat at Block 423 Yishun Ave 11 (~S$410k) needs about S$3,268/mo in income and S$1,539/mo in repayments, after S$6,900 stamp duty and a S$103k downpayment.
Illustrative, for a buyer at the recent median resale price (S$410k) — 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$6,900
BSD, tiered
Downpayment (25%)
S$103k
cash + CPF
Monthly instalment
S$1,539/mo
25y @ 3.5%
Income required
S$3,268/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 423 Yishun Ave 11? Ask what it's worth.
Recent transacted prices, what's nearby, and whether an asking price is fair.
PropKakiRecent sales at Block 423 Yishun Ave 11 land close to the town median — fair value, no big premium.
Frequently asked questions about Block 423 Yishun Ave 11
How much does a 4-Room flat at Block 423 Yishun Ave 11 cost?⌄
4-Room flats at Block 423 Yishun Ave 11 have recently resold for a median of about S$410k (S$448 psf), from 184 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.
Is Block 423 Yishun Ave 11 worth buying given its remaining lease?⌄
Block 423 Yishun Ave 11 has about 62 years left on its 99-year lease (completed 1987). That's a long runway, so CPF usage and bank financing are generally unrestricted. The figure is taken from the most recent transacted flat.
What is the rental yield at Block 423 Yishun Ave 11?⌄
Gross rental yield at Block 423 Yishun Ave 11 is about 7.3%, based on a median subletting rent of about S$2,500/mo against a resale price of about S$410k. 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 423 Yishun Ave 11?⌄
For a flat at about S$410k on a 25-year HDB-style loan, you'd need roughly S$3,268/mo in household income, with repayments around S$1,539/mo after a S$103k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.
Which primary schools are within 1 km of Block 423 Yishun Ave 11?⌄
North View Primary School, Huamin Primary School, Northland Primary School are within 1 km of Block 423 Yishun Ave 11 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.