Block 523 Serangoon Nth Ave 4
523 Serangoon Nth Ave 4, Singapore 550523
Block 523 Serangoon Nth Ave 4 is an HDB block in Serangoon, completed in 1990, with 88 dwelling units. Across 118 resales on record, 5-Room flats have recently resold around S$580k (S$465 psf, 104 sqm). The lease has approximately 66 years remaining.
What are the key facts about Block 523 Serangoon Nth Ave 4?
Block 523 Serangoon Nth Ave 4 is an HDB block in Serangoon, completed in 1990, with 88 dwelling units.
- Town
- Serangoon
- Planning area
- Serangoon
- Completed
- 1990
- Storeys
- 12
- Total units
- 88
- Flat model
- Improved · Model A
- Market segment
- OCR
- Median resale
- S$580k
- Last transacted
- Dec 2025
- Remaining lease
- ≈ 66 years
What are resale prices at Block 523 Serangoon Nth Ave 4?
5-Room flats have recently resold around S$580k (S$465 psf), from 118 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 54 | S$460,000recent | 104 sqm | S$411 psf |
| 5-Room | 64 | S$528,000recent | 122 sqm | S$402 psf |
Live now: 5 flats listed for sale at this block (median asking S$830k) and 5 for rent (median S$900/mo) — 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 Dec 2025.
What rent and yield does Block 523 Serangoon Nth Ave 4 get?
Flats at Block 523 Serangoon Nth Ave 4 have recently sublet for a median of S$3,400/mo, an indicative gross rental yield of about 7.0% (from 10 recent rental contracts).
Median rent
S$3,400/mo
10 recent contracts
Gross rental yield
7.0%
indicative, gross
Annual rent
S$40,800
median × 12 months
| Flat type | Contracts | Median rent |
|---|---|---|
| 5-Room | 3 | S$3,700/mo |
| 4-Room | 7 | S$3,350/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 523 Serangoon Nth Ave 4?
Block 523 Serangoon Nth Ave 4 has 118 recorded resales; the most recent transacted at S$825,000 in Dec 2025 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Dec 2025 | 5-Room | 04 TO 06 | 122 sqm | S$825,000 |
| Aug 2025 | 4-Room | 10 TO 12 | 104 sqm | S$670,000 |
| Jun 2025 | 5-Room | 04 TO 06 | 122 sqm | S$830,000 |
| Apr 2025 | 5-Room | 07 TO 09 | 122 sqm | S$830,888 |
| Nov 2023 | 5-Room | 01 TO 03 | 122 sqm | S$667,000 |
| Mar 2023 | 5-Room | 01 TO 03 | 122 sqm | S$650,000 |
| Mar 2023 | 4-Room | 07 TO 09 | 104 sqm | S$520,000 |
| Jul 2022 | 4-Room | 07 TO 09 | 104 sqm | S$500,000 |
| Nov 2021 | 4-Room | 10 TO 12 | 104 sqm | S$488,000 |
| Nov 2021 | 4-Room | 01 TO 03 | 104 sqm | S$520,000 |
| Jun 2021 | 5-Room | 07 TO 09 | 122 sqm | S$580,000 |
| Apr 2021 | 4-Room | 04 TO 06 | 104 sqm | S$475,000 |
What flat types are in Block 523 Serangoon Nth Ave 4?
Block 523 Serangoon Nth Ave 4 has 88 units, mostly 4-Room flats of the Improved / Model A model.
Unit stock by flat type, from the HDB property information dataset.
Where is Block 523 Serangoon Nth Ave 4?
Block 523 Serangoon Nth Ave 4 is an HDB block in Serangoon.
Block 523 Serangoon Nth Ave 4 is an HDB block located along Serangoon Nth Ave 4. The block is recorded as completed around 1990, with up to 12 storeys. It has an estimated 88 residential units based on the HDB property information dataset. Flat types in the block include 4-room and 5-room units.
The address is Block 523 Serangoon Nth Ave 4, Singapore 550523. It is part of District 19, Serangoon Garden / Hougang / Punggol, the Serangoon planning area. The block falls within the North-East Region and the OCR market segment.
Nearby amenities include Hougang 1 for shopping, PRIME SUPERMARKET (1996) PTE LTD for groceries, Ang Mo Kio Linear Pk (Plot 2) for greenery and recreation, and Hwi Yoh Community Centre for community facilities.
How far is Block 523 Serangoon Nth Ave 4 from MRT and schools?
3 schools are within 1 km, including 1 primary school.
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Rosyth SchoolPrimary schoolwithin 1 km · P1 priority237 m
- Serangoon Garden Secondary SchoolSecondary schoolwithin 1 km573 m
- Bowen Secondary SchoolSecondary schoolwithin 1 km608 m
- Hougang Primary SchoolPrimary school1.0 km
- Xinmin Secondary SchoolSecondary school1.1 km
- Xinmin Primary SchoolPrimary school1.1 km
- Hougang Secondary SchoolSecondary school1.2 km
- Zhonghua Primary SchoolPrimary 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 523 Serangoon Nth Ave 4?
Buying a flat at Block 523 Serangoon Nth Ave 4 (~S$580k) needs about S$4,624/mo in income and S$2,178/mo in repayments, after S$12,000 stamp duty and a S$145k downpayment.
Illustrative, for a buyer at the recent median resale price (S$580k) — 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$12,000
BSD, tiered
Downpayment (25%)
S$145k
cash + CPF
Monthly instalment
S$2,178/mo
25y @ 3.5%
Income required
S$4,624/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 523 Serangoon Nth Ave 4? Ask what it's worth.
Recent transacted prices, what's nearby, and whether an asking price is fair.
PropKakiRecent sales at Block 523 Serangoon Nth Ave 4 land close to the town median — fair value, no big premium.
Frequently asked questions about Block 523 Serangoon Nth Ave 4
How much does a 5-Room flat at Block 523 Serangoon Nth Ave 4 cost?⌄
5-Room flats at Block 523 Serangoon Nth Ave 4 have recently resold for a median of about S$580k (S$465 psf), from 118 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.
What are resale prices at Block 523 Serangoon Nth Ave 4 by flat type?⌄
4-Room ≈ S$460k; 5-Room ≈ S$528k (median resale, HDB caveats).
Is Block 523 Serangoon Nth Ave 4 worth buying given its remaining lease?⌄
Block 523 Serangoon Nth Ave 4 has about 66 years left on its 99-year lease (completed 1990). 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 523 Serangoon Nth Ave 4?⌄
Gross rental yield at Block 523 Serangoon Nth Ave 4 is about 7.0%, based on a median subletting rent of about S$3,400/mo against a resale price of about S$580k. 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 523 Serangoon Nth Ave 4?⌄
For a flat at about S$580k on a 25-year HDB-style loan, you'd need roughly S$4,624/mo in household income, with repayments around S$2,178/mo after a S$145k 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 523 Serangoon Nth Ave 4?⌄
Rosyth School is within 1 km of Block 523 Serangoon Nth Ave 4 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.