PropKaki
99-yearOCRDistrict 26 (Ang Mo Kio)

Castle Green

Reviewed by Nathan TangUpdated 20 June 2026Data through May 2026 (URA)
Quick Summary

Castle Green is a 99-year condominium in District 26 (Ang Mo Kio) that obtained TOP in 1997, with 664 units across 5 blocks. Units have recently transacted around S$1.31M (S$1,375 psf), from 1,156 sales on record. There are 16 units for sale from S$1.34M to S$2.50M. The lease has approximately 66 years remaining.

1

What are the key facts about Castle Green?

Key Takeaway

Castle Green is a 99-year condominium in District 26 (Ang Mo Kio) that obtained TOP in 1997, with 664 units across 5 blocks.

Tenure
99-year
TOP / Completion
1997
Developer
CASTLE GREEN PROPERTY PTE LTD
Total units
664
Blocks
5
District / Area
District 26 (Ang Mo Kio)
Market segment
OCR
Median PSF
S$1,375 psf
Last transacted
May 2026
Remaining lease
≈ 66 years
2

What is the price and PSF at Castle Green?

Key Takeaway

Units have recently transacted around S$1.31M (S$1,375 psf), at a gross rental yield of about 2.1% (URA caveat data).

Recent median price

S$1.31M

recent · 1,156 sales on record

Median PSF

S$1,375 psf

recent transactions

Median rent (monthly)

S$2,289

2,288 rentals on record

Gross rental yield

2.1%

indicative, gross

Units currently for sale are asking a median of S$1,442 psf — about 5% above the most recent transacted PSF.

Source: URA caveat data, through May 2026.

3

What has recently sold at Castle Green?

Key Takeaway

Castle Green has 1156 recorded sales; the most recent transacted at S$2,160,000 in May 2026 (URA caveat data).

DatePriceSize (sqft)PSF
May 2026S$2,160,0001,410S$1,532 psf
Apr 2026S$1,300,000947S$1,372 psf
Apr 2026S$1,560,0001,216S$1,283 psf
Apr 2026S$1,660,0001,152S$1,441 psf
Mar 2026S$2,150,0001,410S$1,525 psf
Mar 2026S$1,600,0001,152S$1,389 psf
Mar 2026S$1,370,000947S$1,446 psf
Feb 2026S$1,250,888947S$1,321 psf
Feb 2026S$1,302,000947S$1,375 psf
Jan 2026S$1,260,000947S$1,330 psf
Jan 2026S$1,238,888947S$1,308 psf
Dec 2025S$1,308,000947S$1,381 psf

1,156 sales and 2,288 rentals on record since Jan 1995. Source: URA.

4

What bedroom types are available at Castle Green?

Key Takeaway

Castle Green has 16 units listed for sale, spanning 1–4-bedroom layouts.

Based on units currently listed for sale.

BedroomsFor salePrice rangeMedian PSF
1-bedroom2S$1.44M–S$1.70M
2-bedroom7S$1.34M–S$1.69MS$1,415 psf
3-bedroom3S$1.65M–S$1.66MS$1,442 psf
4-bedroom4S$2.23M–S$2.50MS$1,631 psf
5

Where is Castle Green and what's nearby?

Key Takeaway

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.

6

How far is Castle Green from MRT and schools?

Key Takeaway

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

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

Mall: Jubilee Square · 1.8 kmHawker centre: Blk 628 Ang Mo Kio Ave 4 · 568 mPark: Banyan Villas Pg · 216 m

Straight-line distances from the development. Source: PropKaki amenities data.

7

What facilities does Castle Green have?

Key Takeaway

Castle Green has 15 facilities, including Badminton hall, Barbeque Area, Covered car park, Fitness corner, and more.

Badminton hallBarbeque AreaCovered car parkFitness cornerFun poolFunction roomGymnasium roomJogging trackMini golf rangePlaygroundSauna24 hours securitySquash courtSwimming poolTennis courts
8

What does it cost to own a unit at Castle Green?

Key Takeaway

Buying a unit at Castle Green (~S$1.31M) needs about S$9,575/mo in income and S$4,405/mo in repayments, after S$36,920 stamp duty and a S$327k downpayment.

Illustrative, for a Singapore Citizen buying a unit at the recent median price (S$1.31M) 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$36,920

BSD, tiered

Downpayment (25%)

S$327k

cash + CPF

Monthly instalment

S$4,405/mo

30y @ 3.5%

Income required

S$9,575/mo

TDSR @ stress rate

9

Frequently asked questions about Castle Green

What is the price at Castle Green?

Units at Castle Green have recently transacted around S$1.31M (S$1,375 psf), from 1,156 sales on record (URA caveat data).

What is the PSF at Castle Green?

Units for sale at Castle Green are asking a median of about S$1,442 psf.

Is Castle Green freehold or leasehold?

Castle Green is 99-year, with approximately 66 years remaining on the lease.

When was Castle Green built?

Castle Green obtained TOP in 1997, developed by CASTLE GREEN PROPERTY PTE LTD.

How many units are for sale at Castle Green?

There are 16 units for sale at Castle Green, from S$1.34M to S$2.50M.

What is the rental yield at Castle Green?

Gross rental yield at Castle Green is about 2.1%, based on median current rents and prices.

How many units are in Castle Green?

Castle Green has 664 units across 5 blocks.

What facilities does Castle Green have?

Castle Green has 15 facilities, including Badminton hall, Barbeque Area, Covered car park, Fitness corner, Fun pool, Function room, and more.

What is the nearest MRT to Castle Green?

The nearest MRT/LRT station to Castle Green is Lentor MRT, about 520 m away (~8 min walk).

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 qualify for Primary 1 (P1) registration priority.

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