Block 521 Hougang Ave 6
521 Hougang Ave 6, Singapore 530521
Block 521 Hougang Ave 6 is an HDB block in Hougang, completed in 1986, with 136 dwelling units. Across 109 resales on record, 5-Room flats have recently resold around S$560k (S$446 psf, 121 sqm). The lease has approximately 61 years remaining.
What are the key facts about Block 521 Hougang Ave 6?
Block 521 Hougang Ave 6 is an HDB block in Hougang, completed in 1986, with 136 dwelling units.
- Town
- Hougang
- Planning area
- Hougang
- Completed
- 1986
- Storeys
- 12
- Total units
- 136
- Flat model
- Simplified · Improved
- Market segment
- OCR
- Median resale
- S$560k
- Last transacted
- Dec 2025
- Remaining lease
- ≈ 61 years
What are resale prices at Block 521 Hougang Ave 6?
5-Room flats have recently resold around S$560k (S$446 psf), from 109 resales on record (HDB caveat data).
| Flat type | Resales | Median price | Size | PSF |
|---|---|---|---|---|
| 4-Room | 60 | S$380,000recent | 84 sqm | S$420 psf |
| 5-Room | 49 | S$560,000recent | 121 sqm | S$430 psf |
Live now: 3 flats listed for sale at this block (median asking S$999k) and 1 for rent — 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 521 Hougang Ave 6 get?
Flats at Block 521 Hougang Ave 6 have recently sublet for a median of S$3,200/mo, an indicative gross rental yield of about 6.9% (from 20 recent rental contracts).
Median rent
S$3,200/mo
20 recent contracts
Gross rental yield
6.9%
indicative, gross
Annual rent
S$38,400
median × 12 months
| Flat type | Contracts | Median rent |
|---|---|---|
| 5-Room | 13 | S$3,200/mo |
| 4-Room | 7 | S$3,500/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 Jan 2026. Source: HDB rental (subletting) data.
What has recently sold at Block 521 Hougang Ave 6?
Block 521 Hougang Ave 6 has 109 recorded resales; the most recent transacted at S$945,000 in Dec 2025 (HDB caveat data).
| Date | Flat type | Storey | Size | Price |
|---|---|---|---|---|
| Dec 2025 | 5-Room | 10 TO 12 | 121 sqm | S$945,000 |
| Nov 2024 | 4-Room | 10 TO 12 | 103 sqm | S$698,000 |
| Oct 2024 | 5-Room | 04 TO 06 | 121 sqm | S$740,000 |
| Jan 2024 | 5-Room | 10 TO 12 | 121 sqm | S$800,000 |
| Nov 2023 | 5-Room | 01 TO 03 | 121 sqm | S$600,000 |
| Sept 2021 | 4-Room | 01 TO 03 | 84 sqm | S$403,000 |
| Jul 2021 | 5-Room | 01 TO 03 | 121 sqm | S$588,888 |
| Jun 2020 | 5-Room | 04 TO 06 | 121 sqm | S$550,000 |
| Oct 2019 | 4-Room | 01 TO 03 | 84 sqm | S$325,000 |
| Dec 2018 | 4-Room | 01 TO 03 | 84 sqm | S$350,000 |
| Aug 2017 | 5-Room | 07 TO 09 | 121 sqm | S$560,000 |
| Mar 2016 | 4-Room | 04 TO 06 | 84 sqm | S$375,000 |
What flat types are in Block 521 Hougang Ave 6?
Block 521 Hougang Ave 6 has 136 units, mostly 4-Room flats of the Simplified / Improved model.
Unit stock by flat type, from the HDB property information dataset.
Where is Block 521 Hougang Ave 6?
Block 521 Hougang Ave 6 is an HDB block in Hougang.
Block 521 Hougang Ave 6 is an HDB block located along Hougang Ave 6. The block is recorded as completed around 1986, with up to 12 storeys. It has an estimated 136 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 521 Hougang Ave 6, Singapore 530521. It is part of District 19, Serangoon Garden / Hougang / Punggol, the Hougang planning area. The block falls within the North-East Region and the OCR market segment.
The nearest rail connection is Hougang MRT, approximately 282m away, around 4 minutes on foot. Nearby amenities include Hougang Mall for shopping, NTUC Fairprice Co-operative Ltd for groceries, Ci Yuan Hawker Centre for food options, Jln Naung Pg for greenery and recreation, Hougang Polyclinic for polyclinic services, and Punggol Community Club for community facilities.
How far is Block 521 Hougang Ave 6 from MRT and schools?
The nearest MRT/LRT to Block 521 Hougang Ave 6 is Hougang MRT, about 282 m away (~4 min walk). 9 schools are within 1 km, including 6 primary schools.
Getting around
- Hougang MRT282 m · ~4 min
Schools nearby
Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Montfort Junior SchoolPrimary schoolwithin 1 km · P1 priority191 m
- Montfort Secondary SchoolSecondary schoolwithin 1 km236 m
- Punggol Primary SchoolPrimary schoolwithin 1 km · P1 priority627 m
- Holy Innocents' High SchoolSecondary schoolwithin 1 km637 m
- Chij Our Lady Of The NativityPrimary schoolwithin 1 km · P1 priority734 m
- Yio Chu Kang Primary SchoolPrimary schoolwithin 1 km · P1 priority778 m
- Holy Innocents' Primary SchoolPrimary schoolwithin 1 km · P1 priority799 m
- Xinmin Secondary SchoolSecondary schoolwithin 1 km886 m
Shops, food & parks
Straight-line distances from the block. Source: PropKaki amenities data.
What does it cost to buy a flat at Block 521 Hougang Ave 6?
Buying a flat at Block 521 Hougang Ave 6 (~S$560k) needs about S$4,464/mo in income and S$2,103/mo in repayments, after S$11,400 stamp duty and a S$140k downpayment.
Illustrative, for a buyer at the recent median resale price (S$560k) — 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$11,400
BSD, tiered
Downpayment (25%)
S$140k
cash + CPF
Monthly instalment
S$2,103/mo
25y @ 3.5%
Income required
S$4,464/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 521 Hougang Ave 6? Ask what it's worth.
Recent transacted prices, what's nearby, and whether an asking price is fair.
PropKakiRecent sales at Block 521 Hougang Ave 6 land close to the town median — fair value, no big premium.
Frequently asked questions about Block 521 Hougang Ave 6
How much does a 5-Room flat at Block 521 Hougang Ave 6 cost?⌄
5-Room flats at Block 521 Hougang Ave 6 have recently resold for a median of about S$560k (S$446 psf), from 109 resales on record (HDB caveats). The exact price depends on the flat type, floor and remaining lease.
What are resale prices at Block 521 Hougang Ave 6 by flat type?⌄
4-Room ≈ S$380k; 5-Room ≈ S$560k (median resale, HDB caveats).
Is Block 521 Hougang Ave 6 worth buying given its remaining lease?⌄
Block 521 Hougang Ave 6 has about 61 years left on its 99-year lease (completed 1986). 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 521 Hougang Ave 6?⌄
Gross rental yield at Block 521 Hougang Ave 6 is about 6.9%, based on a median subletting rent of about S$3,200/mo against a resale price of about S$560k. 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 521 Hougang Ave 6?⌄
For a flat at about S$560k on a 25-year HDB-style loan, you'd need roughly S$4,464/mo in household income, with repayments around S$2,103/mo after a S$140k downpayment. First-timer grants of up to S$80,000+ (not included) lower the cash needed.
What is the nearest MRT to Block 521 Hougang Ave 6?⌄
The nearest MRT/LRT station to Block 521 Hougang Ave 6 is Hougang MRT, about 282 m away (~4 min walk).
Which primary schools are within 1 km of Block 521 Hougang Ave 6?⌄
Montfort Junior School, Punggol Primary School, Chij Our Lady Of The Nativity, Yio Chu Kang Primary School are within 1 km of Block 521 Hougang Ave 6 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.