Block 509 Choa Chu Kang St 51
509 Choa Chu Kang St 51, Singapore 680509
Block 509 Choa Chu Kang St 51 is an HDB block in Choa Chu Kang, completed in 1993, with 54 dwelling units. Across 46 resales on record, 5-Room flats have recently resold around S$528k (S$370 psf, 132 sqm). The lease has approximately 68 years remaining.
What are the key facts about Block 509 Choa Chu Kang St 51?
Block 509 Choa Chu Kang St 51 is an HDB block in Choa Chu Kang, completed in 1993, with 54 dwelling units.
- Town
- Choa Chu Kang
- Planning area
- Choa Chu Kang
- Completed
- 1993
- Storeys
- 14
- Total units
- 54
- Flat model
- Model A
- Market segment
- OCR
- Median resale
- S$528k
- Last transacted
- Jul 2026
- Remaining lease
- ≈ 68 years
What are resale prices at Block 509 Choa Chu Kang St 51?
5-Room flats have recently resold around S$528k (S$370 psf), from 46 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 5-Room | 46 | S$528,000recent | 133 sqm | S$370 psf |
Live now: 2 flats listed for sale at this block — 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 Jul 2026.
What rent and yield does Block 509 Choa Chu Kang St 51 get?
Flats at Block 509 Choa Chu Kang St 51 have recently sublet for a median of S$3,100/mo, an indicative gross rental yield of about 7.0% (from 12 recent rental contracts).
Median rent
S$3,100/mo
12 recent contracts
Gross rental yield
7.0%
indicative, gross
Annual rent
S$37,200
median × 12 months
| Flat type | Contracts | Median rent |
|---|---|---|
| 5-Room | 12 | S$3,100/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 509 Choa Chu Kang St 51?
Block 509 Choa Chu Kang St 51 has 46 recorded resales; the most recent transacted at S$700,000 in Jul 2026 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Jul 2026 | 5-Room | 13 TO 15 | 133 sqm | S$700,000 |
| Jan 2025 | 5-Room | 13 TO 15 | 137 sqm | S$710,000 |
| Oct 2022 | 5-Room | 04 TO 06 | 136 sqm | S$590,000 |
| Feb 2022 | 5-Room | 04 TO 06 | 131 sqm | S$550,000 |
| Feb 2022 | 5-Room | 01 TO 03 | 132 sqm | S$528,000 |
| Nov 2021 | 5-Room | 13 TO 15 | 133 sqm | S$530,000 |
| Aug 2018 | 5-Room | 04 TO 06 | 131 sqm | S$420,000 |
| Nov 2015 | 5-Room | 04 TO 06 | 131 sqm | S$468,000 |
| Jan 2015 | 5-Room | 13 TO 15 | 133 sqm | S$442,500 |
| Sept 2014 | 5-Room | 04 TO 06 | 136 sqm | S$462,000 |
| Jul 2013 | 5-Room | 10 TO 12 | 131 sqm | S$547,000 |
| Nov 2012 | 5-Room | 01 TO 03 | 132 sqm | S$508,000 |
What flat types are in Block 509 Choa Chu Kang St 51?
Block 509 Choa Chu Kang St 51 has 54 units, mostly 5-Room flats of the Model A model.
Unit stock by flat type, from the HDB property information dataset.
Where is Block 509 Choa Chu Kang St 51?
Block 509 Choa Chu Kang St 51 is an HDB block in Choa Chu Kang.
Block 509 Choa Chu Kang St 51 is an HDB block located along Choa Chu Kang St 51. The block is recorded as completed around 1993, with up to 14 storeys. It has an estimated 54 residential units based on the HDB property information dataset. Flat types in the block include 5-room units.
The address is Block 509 Choa Chu Kang St 51, Singapore 680509. It is part of District 23, Hillview / Dairy Farm / Bukit Panjang / Choa Chu Kang, the Choa Chu Kang planning area. The block falls within the West Region and the OCR market segment.
The nearest rail connection is Choa Chu Kang LRT, approximately 471m away, around 7 minutes on foot. Nearby amenities include Lot One for shopping, NTUC Fairprice Co-operative Ltd for groceries, Choa Chu Kang Pk for greenery and recreation, and Keat Hong Community Club for community facilities.
How far is Block 509 Choa Chu Kang St 51 from MRT and schools?
The nearest MRT/LRT to Block 509 Choa Chu Kang St 51 is Choa Chu Kang LRT, about 471 m away (~7 min walk). 5 schools are within 1 km, including 3 primary schools.
Getting around
- Choa Chu Kang LRT471 m · ~7 min
- South View LRT939 m · ~15 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Kranji Secondary SchoolSecondary schoolwithin 1 km239 m
- Bukit Panjang Govt. High SchoolSecondary schoolwithin 1 km747 m
- De La Salle SchoolPrimary schoolwithin 1 km · P1 priority762 m
- South View Primary SchoolPrimary schoolwithin 1 km · P1 priority861 m
- Kranji Primary SchoolPrimary schoolwithin 1 km · P1 priority873 m
- Concord Primary SchoolPrimary school1.1 km
- Chua Chu Kang Primary SchoolPrimary school1.1 km
- Regent Secondary SchoolSecondary school1.2 km
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 509 Choa Chu Kang St 51?
Buying a flat at Block 509 Choa Chu Kang St 51 (~S$528k) needs about S$4,209/mo in income and S$1,982/mo in repayments, after S$10,440 stamp duty and a S$132k downpayment.
Illustrative, for a buyer at the recent median resale price (S$528k) — 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$10,440
BSD, tiered
Downpayment (25%)
S$132k
cash + CPF
Monthly instalment
S$1,982/mo
25y @ 3.5%
Income required
S$4,209/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 509 Choa Chu Kang St 51? Ask what it's worth.
Recent transacted prices, what's nearby, and whether an asking price is fair.
Recent sales at Block 509 Choa Chu Kang St 51 land close to the town median — fair value, no big premium.
Frequently asked questions about Block 509 Choa Chu Kang St 51
How much does a 5-Room flat at Block 509 Choa Chu Kang St 51 cost?⌄
5-Room flats at Block 509 Choa Chu Kang St 51 have recently resold for a median of about S$528k (S$370 psf), from 46 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.
Is Block 509 Choa Chu Kang St 51 worth buying given its remaining lease?⌄
Block 509 Choa Chu Kang St 51 has about 68 years left on its 99-year lease (completed 1993). 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 509 Choa Chu Kang St 51?⌄
Gross rental yield at Block 509 Choa Chu Kang St 51 is about 7.0%, based on a median subletting rent of about S$3,100/mo against a resale price of about S$528k. 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 509 Choa Chu Kang St 51?⌄
For a flat at about S$528k on a 25-year HDB-style loan, you'd need roughly S$4,209/mo in household income, with repayments around S$1,982/mo after a S$132k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.
What is the nearest MRT to Block 509 Choa Chu Kang St 51?⌄
The nearest MRT/LRT station to Block 509 Choa Chu Kang St 51 is Choa Chu Kang LRT, about 471 m away (~7 min walk).
Which primary schools are within 1 km of Block 509 Choa Chu Kang St 51?⌄
De La Salle School, South View Primary School, Kranji Primary School are within 1 km of Block 509 Choa Chu Kang St 51 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
