Castle Green
Castle Green is a 99-year condominium in District 26 (Ang Mo Kio) that obtained TOP in 1997, with 664 units across 5 blocks. Across 1,157 transactions on record, units have recently transacted around S$1.37M (S$1,375 psf, ~947 sqft). There are 34 units for sale from S$1.30M to S$2.50M. The lease has approximately 66 years remaining.
| Tenure | 99-year leasehold from 1993 (≈66 years left) |
|---|---|
| TOP year | 1997 |
| Developer | CASTLE GREEN PROPERTY PTE LTD |
| Units | 664 in 5 blocks |
| District and area | District 26 · Ang Mo Kio · OCR |
| Nearest MRT | Lentor MRT, 520 m (~8 min walk) |
| Latest median psf | S$1,375 psf, last 12 URA caveats to Aug 2026 |
What's for sale and for rent at Castle Green?
Castle Green has 34 units listed for sale, asking S$1.30M to S$2.50M (median S$1,546 psf), and 24 units for rent at a median of S$1,400 a month.
For sale
34 listings
S$1.30M – S$2.50M
For rent
24 listings
S$1,050 – S$6,000 a month
| Bedrooms | For sale | Asking price | Median PSF |
|---|---|---|---|
| 1-bedroom | 1 | S$1.42M–S$1.42M | — |
| 2-bedroom | 15 | S$1.30M–S$1.63M | S$1,426 psf |
| 3-bedroom | 12 | S$1.70M–S$1.89M | S$1,546 psf |
| 4-bedroom | 6 | S$2.29M–S$2.50M | S$1,624 psf |
Asking prices of units currently listed on property portals, not transacted prices.
What are the floor plans and unit sizes at Castle Green?
Floor plans for Castle Green aren't in PropKaki's library yet. Across 1,000 URA caveats, units range from 947 sqft to 1,593 sqft, and the middle half are 947 sqft to 1,216 sqft.
| Unit type | Sizes listed for sale | Asking from |
|---|---|---|
| 1-bedroom | 947 sqft | S$1.42M |
| 2-bedroom | 947 sqft to 1,302 sqft | S$1.30M · S$1,426 psf |
| 3-bedroom | 1,151 sqft to 1,216 sqft | S$1.70M · S$1,546 psf |
| 4-bedroom | 1,410 sqft | S$2.29M · S$1,624 psf |
Check the Floor Plan Finder for Castle Green →
Unit sizes from URA caveats. Listed sizes from current property listings.
What is the price and PSF at Castle Green?
Units have recently transacted around S$1.37M (S$1,375 psf), at a gross rental yield of about 2.0% (URA caveat data).
Recent median price
S$1.37M
recent · 1,157 sales on record
Median PSF
S$1,375 psf
recent transactions
Median rent (monthly)
S$2,291
2,302 rentals on record
Gross rental yield
2.0%
indicative, gross
Units currently for sale are asking a median of S$1,546 psf — about 12% above the most recent transacted PSF.
Source: URA caveat data, through Aug 2026.
What has recently sold at Castle Green?
Castle Green has 1157 recorded sales; the most recent transacted at S$1,628,888 in Aug 2026 (URA caveat data).
| Date | Price | Size (sqft) | PSF |
|---|---|---|---|
| Aug 2026 | S$1,628,888 | 1,152 | S$1,414 psf |
| May 2026 | S$2,160,000 | 1,410 | S$1,532 psf |
| Apr 2026 | S$1,300,000 | 947 | S$1,372 psf |
| Apr 2026 | S$1,660,000 | 1,152 | S$1,441 psf |
| Apr 2026 | S$1,560,000 | 1,216 | S$1,283 psf |
| Mar 2026 | S$2,150,000 | 1,410 | S$1,525 psf |
| Mar 2026 | S$1,600,000 | 1,152 | S$1,389 psf |
| Mar 2026 | S$1,370,000 | 947 | S$1,446 psf |
| Feb 2026 | S$1,250,888 | 947 | S$1,321 psf |
| Feb 2026 | S$1,302,000 | 947 | S$1,375 psf |
| Jan 2026 | S$1,260,000 | 947 | S$1,330 psf |
| Jan 2026 | S$1,238,888 | 947 | S$1,308 psf |
1,157 sales and 2,302 rentals on record since Jan 1995. Source: URA.
Are prices at Castle Green rising?
The median transacted PSF at Castle Green has risen 64% over the past 9 years (2017–2026), from S$837 psf to S$1,375 psf (URA caveats).
| Year | Median PSF | Median price | Sales | YoY |
|---|---|---|---|---|
| 2026 | S$1,375 psf | S$1.37M | 12 | +4.6% |
| 2025 | S$1,315 psf | S$1.57M | 19 | +1.2% |
| 2024 | S$1,300 psf | S$1.50M | 26 | +9.2% |
| 2023 | S$1,191 psf | S$1.44M | 18 | +12.5% |
| 2022 | S$1,059 psf | S$1.10M | 34 | +11.5% |
| 2021 | S$950 psf | S$1.10M | 39 | +9.1% |
| 2020 | S$871 psf | S$885k | 22 | -0.3% |
| 2019 | S$874 psf | S$950k | 25 | +2.7% |
| 2018 | S$851 psf | S$975k | 33 | +1.7% |
| 2017 | S$837 psf | S$960k | 25 | — |
Yearly median transacted PSF and price; years with at least 2 recorded sales. Source: URA caveat data.
Is Castle Green a good investment?
Of 587 units at Castle Green that were bought and later resold (bought from 1995, resold up to 2026), 77% sold for more than they were bought for, with a median gain of 23% over a median 8.1-year hold (URA caveats, before stamp duty, agent fees and interest). Its gross rental yield is about 2.0%. Units listed now ask about 12% more per square foot than recent sales. Past resale results don't predict future returns, and this is not financial advice.
Sold for more than bought
77%
of 587 resales here
Median gain
23%
gross, before costs
Median hold
8.1 years
bought to resold
Every unit at Castle Green with a purchase and a later resale on record, matched from URA caveats. Check the odds for your unit size and holding period →
Where is Castle Green and what's nearby?
Castle Green is located in Ang Mo Kio, in the North-East Region of Singapore.
Castle Green is a 99-year condominium completed in 1997. It was developed by CASTLE GREEN PROPERTY PTE LTD. The development has 664 residential units. It sits on a land area of 39,151 sqm and has a gross floor area of 83,044 sqm. The plot ratio is 2.1.
CASTLE GREEN is located at 485 Yio Chu Kang Road, Singapore 787056. It is part of District 26, Upper Thomson / Springleaf, Ang Mo Kio. The project falls within the North-East Region and the OCR market segment.
The nearest rail connection is Lentor MRT, approximately 520m away, around 8 minutes on foot. Nearby amenities include Jubilee Square for shopping, Blk 628 Ang Mo Kio Ave 4 for food options, and Banyan Villas Pg for greenery and recreation. Facilities in the development include Badminton hall, Barbeque Area, Covered car park, Fitness corner, Fun pool, and Function room.
How far is Castle Green from MRT and schools?
The nearest MRT/LRT to Castle Green is Lentor MRT, about 520 m away (~8 min walk). 3 schools are within 1 km, including 1 primary school.
Getting around
- Lentor MRT520 m · ~8 min
- Yio Chu Kang MRT699 m · ~11 min
Schools nearby
Homes within 1 km of a primary school qualify for Primary 1 (P1) registration priority.
- Anderson Primary SchoolPrimary schoolwithin 1 km · P1 priority231 m
- Presbyterian High SchoolSecondary schoolwithin 1 km547 m
- Yio Chu Kang Secondary SchoolSecondary schoolwithin 1 km923 m
- Mayflower Primary SchoolPrimary school1.1 km
- Chij St. Nicholas Girls' SchoolMixed-level school1.6 km
- Anderson Secondary SchoolSecondary school1.8 km
- Ang Mo Kio Primary SchoolPrimary school1.9 km
Shops, food & parks
Straight-line distances from the development. Source: PropKaki amenities data.
Who built Castle Green and how big is the development?
Castle Green was developed by CASTLE GREEN PROPERTY PTE LTD, with 664 units over up to 13 storeys.
- Developer
- CASTLE GREEN PROPERTY PTE LTD
- Floors
- 13 storeys
- Blocks
- 5
- Land area
- 39,151 sqm (421,417 sqft)
- Gross floor area
- 83,044 sqm (893,877 sqft)
- Plot ratio
- 2.10
What facilities does Castle Green have?
Castle Green has 15 facilities, including Badminton hall, Barbeque Area, Covered car park, Fitness corner, and more.
What does it cost to own a unit at Castle Green?
Buying a unit at Castle Green (~S$1.37M) needs about S$10,029/mo in income and S$4,614/mo in repayments, after S$39,400 stamp duty and a S$343k downpayment.
Illustrative, for a Singapore Citizen buying a unit at the recent median price (S$1.37M) as their first home — 25% down, 30-year loan at 3.5% p.a. Rates as of May 2026. Run it for your own profile →
Buyer's Stamp Duty
S$39,400
BSD, tiered
Downpayment (25%)
S$343k
cash + CPF
Monthly instalment
S$4,614/mo
30y @ 3.5%
Income required
S$10,029/mo
TDSR @ stress rate
How many property agents are active around Castle Green?
3,526 CEA-registered agents closed at least one recorded deal in District 26 — where Castle Green sits — in the last 12 months, across all property types.
Active agents · 12mo
3,526
District 26 · closed ≥1 deal
Deals on record
8,382
all-time · all property types
Source: CEA public transaction records, attributed to District 26 across HDB, condo and landed (agent activity isn't published at project level). Browse the agent directory or compare every market segment.
Thinking about Castle Green? Ask before you commit.
A fair-value read, recent comps and what a unit really costs — from Castle Green's own transactions.
PropKakiRecent units at Castle Green sold close to their fair value — solid, no obvious overpay.
Frequently asked questions about Castle Green
Is Castle Green freehold?⌄
No. Castle Green is on a 99-year lease that started in 1993, with about 66 years left.
How old is Castle Green?⌄
Castle Green was completed (obtained TOP) in 1997, so it is about 29 years old.
Is Castle Green a good investment?⌄
Of 587 units at Castle Green that were bought and later resold (bought from 1995, resold up to 2026), 77% sold for more than they were bought for, with a median gain of 23% over a median 8.1-year hold (URA caveats, before stamp duty, agent fees and interest). Its gross rental yield is about 2.0%. Units listed now ask about 12% more per square foot than recent sales. Past resale results don't predict future returns, and this is not financial advice.
Is Castle Green an EC?⌄
No. Castle Green is a private condominium, not an executive condominium (EC).
Who is the developer of Castle Green?⌄
Castle Green was developed by CASTLE GREEN PROPERTY PTE LTD.
What is the price of a condo at Castle Green?⌄
Units at Castle Green have recently sold for around S$1.37M (S$1,375 psf), the median of the last 12 URA caveats to Aug 2026. The price depends on size, floor and facing. 34 units are listed for sale from S$1.30M to S$2.50M.
Where is Castle Green located?⌄
Castle Green is at 485 Yio Chu Kang Road, Singapore 787056, in Ang Mo Kio (District 26). The nearest MRT station is Lentor MRT, about 520 m away.
How many units are there in Castle Green?⌄
Castle Green has 664 units in 5 blocks, up to 13 storeys high.
How much do I need to earn to buy at Castle Green?⌄
For a unit around S$1.37M as a first home, you'd need roughly S$10,029/mo in income (assessed at the stress-test rate), with repayments near S$4,614/mo after a S$343k (25%) downpayment and S$39,400 Buyer's Stamp Duty.
Are prices at Castle Green going up?⌄
The median price per square foot at Castle Green has risen about 64% between 2017 and 2026, based on URA caveats. The year-by-year figures are in the price-trend table above.
Which primary schools are within 1 km of Castle Green?⌄
Anderson Primary School is within 1 km of Castle Green. Homes within 1 km of a primary school get priority in Primary 1 (P1) registration.