FOR SALE
$12,000,000

20 Castle Court
Hillsborough, CA 94010

7
Bedrooms
6.5
Baths
5,722
Sqft
0
Acres
15
Days on Market
3 Cars
Garage
$2,098
Price Per Sqft.
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Property Description

Offered as a rare presale opportunity with the ability to personalize select finishes, this modern architectural masterpiece is estimated for completion in q3 2027. Privately situated on a level half-acre cul-de-sac lot, the residence offers approximately 5,722 square feet of refined living space, including an attached jadu and detached adu. a dramatic double-height foyer with a full-height porcelain slab feature wall and statement chandelier creates a striking first impression. Soaring ceilings, premium engineered oak flooring, a dramatic floating staircase, and walls of glass create a striking sense of scale and effortless indoor-outdoor living. The showpiece kitchen features custom European-inspired cabinetry with warm natural wood finishes, natural quartzite surfaces, a waterfall island, and premium Miele appliances. a private balcony, spa-inspired primary bath, custom wine display, Control4 automation, and beautifully landscaped grounds complete the residence. Buy early for preferred pricing and design personalization.

20 Castle Court is a property for sale for $12,000,000 in Hillsborough, CA 94010 and is part of San Mateo County, CA . This home is 5,722 square feet and features 7 bedrooms and 6.5 bathrooms with a 3 car garage.

Nearby schools include Other School, Other School, and Burlingame School.

Listing Provided By: Phil Chen, Christie's International Real Estate Sereno (650) 844-7373 Source: Trestle - CRMLS (California) MLS#: ML82059857

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School Information

Other School
Elementary School
Other School
Middle School
Burlingame School
High School

*School Boundaries are deemed reliable, but is not guaranteed and should be independently verified.

Property Information
Stories Total
2
View
Hills, Neighborhood, Water
In Ground Pool
Zip Code
94010
Water
Public
Year Built
2026
Roof
Metal
Zoning
R10025
Location Information
State
CA
County
San Mateo County
City
Hillsborough
Building Information
7 Bedrooms
6 Full Bathrooms
1 Half Bathroom
Living Area
5, 722 sqft
Construction Materials
Concrete, Steel
Architectural Style
Contemporary, Modern
Interior Features
Dishwasher
Freezer
Disposal
Refrigerator
Range Hood
Floor Types
Wood
Walk-In Closet(s)
General Information
Total Living Square Footage
5, 722
Exterior Features
Spa
In Ground
Garage & Parking Information
Parking Information
3 Total spaces, Gated
Utility Information
Cooling
Central Air
Heating Type
Heat Pump
Sewer
Public Sewer
Utilities Available
Natural Gas Available
Additional Features
Special Conditions
Standard
Rooms Information
Bathrooms
7
Kitchen
Kitchen Island
Other Features
Walk-In Closet(s)

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20 Castle Court
Hillsborough, CA 94010

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20 Castle Court is a property for sale for $12,000,000 in Hillsborough, CA 94010 and is part of San Mateo County, CA . This home is 5,722 square feet and features 7 bedrooms and 6.5 bathrooms with a 3 car garage. Nearby schools include Other School, Other School, and Burlingame School. This address can also be written as 20 Castle Court, Hillsborough, CA 94010. This home has been listed on BoldPorch since Sep 02, 2026 BoldPorch last checked and updated this listing on Sep 10, 2026 at 8:11pm UTC .