20 Castle CT Hillsborough, CA 94010 Active
UPDATED: 09/10/2026 07:16 PM ON SITE: 13 days on site
$12,000,000
7 Beds6.5 Baths5,722 SqFt
Key Details
Property Type Single Family Home
Sub Type Single Family Home
Listing Status Active
Purchase Type For Sale
Square Footage 5,722 sqft
Price per Sqft $2,097
MLS Listing ID ML82059857
Style Contemporary,Modern / High Tech
Bedrooms 7
Full Baths 6
Half Baths 1
Year Built 2026
Lot Size 0.500 Acres
Property Sub-Type Single Family Home
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.
Based on information from the MLSListings MLS as of 09/16/2026 10:56
All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
The data relating to real estate for sale on this display comes in part from the Internet Data Exchange program of the MLSListings Inc. MLS system. Real estate listings held by brokerage firms other than Blok are marked with the Internet Data Exchange and detailed information about them includes the names of the listing brokers and listing agents.
Copyright 2026 MLSListings Inc All rights reserved.
The broker providing this data believes the data to be correct, but advises interested parties to confirm all information before relying on it for a purchase decision. The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at 09/16/2026 10:56
The data relating to real estate for sale on this display comes in part from the Internet Data Exchange program of the MLSListings Inc. MLS system. Real estate listings held by brokerage firms other than Blok are marked with the Internet Data Exchange and detailed information about them includes the names of the listing brokers and listing agents.