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7 Beds
7 Baths
5,722 sqft

$12,000,000

20 Castle Court, Hillsborough CA, 94010

Price per sqft$2,097.17
Built in2026
Property size5,722 sqft
Property typeResidential
Listed by Phil Chen CA DRE# 01715177 with Christie's International Real Estate Sereno 415-271-1920

Overview

Active

Listed Sep 2, 2026

Updated 3 days ago

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 ADU & pool. 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.

$79,836/mo

Est. mortgage payment based on a $12,000,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
ML82059857

Interior Features

Bedrooms
7
Bathrooms
7
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.5 Acres

Other Property Details

Garage
Yes
View
Yes
Pool
Yes
MLS provider logo

Listed by Phil Chen CA DRE# 01715177 with Christie's International Real Estate Sereno 415-271-1920

Based on information from the California Regional Multiple Listing Service (CRMLS) as of 10/4/2026. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, the Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent. Property locations as displayed on any map are best approximations only and exact locations should be independently verified. Any offer of compensation is made only to participants of the MLS where the listing is filed.

©2026 California Regional Multiple Listing Service (CRMLS) all rights reserved.

Data last updated on 10/4/2026 at 4:20 AM UTC Last Checked: 4:20 AM UTC

 

 

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