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Listed by Phil Chen • Christie's International Real Estate Sereno
$ 12,000,000
Est. payment /mo
New
20 Castle Court Hillsborough, CA 94010
7 Beds
7 Baths
5,722 SqFt
UPDATED:
Key Details
Property Type Single Family Home
Sub Type Detached
Listing Status Active
Purchase Type For Sale
Square Footage 5,722 sqft
Price per Sqft $2,097
MLS Listing ID ML82059857
Bedrooms 7
Full Baths 6
HOA Y/N No
Year Built 2026
Lot Size 0.500 Acres
Property Sub-Type Detached
Source Datashare MLSListings
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 Thermador 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.
Location
State CA
County San Mateo
Interior
Heating Heat Pump
Cooling Central Air
Flooring Hardwood, Wood
Fireplaces Type Other
Fireplace Yes
Appliance Dishwasher
Exterior
Garage Spaces 3.0
View Hills, Water
Private Pool true
Building
Story 2
Water Public
Architectural Style Contemporary
Schools
School District San Mateo Union High, Hillsborough City Elementary
© 2026 BEAR, CCAR, bridgeMLS. This information is deemed reliable but not verified or guaranteed. This information is being provided by the Bay East MLS or Contra Costa MLS or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website.
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