20 Castle Court, Hillsborough, CA 94010

it's quick and easy

We'll never post to social networks

Comments
This field is for validation purposes and should be left unchanged.
Name*
First Name Last Name
Phone*
Email*
Password*
*
- I accept the Terms and Confition

Already an account? Log in here

Log in

Please check username or password!

No account yet? Register here

Password forgotten? Reset your password

Reset your password

The email address does not seems to be correct!

Please check your email to reset your password

No account yet? Register here

20 Castle Court, Hillsborough, CA 94010

$12,000,000 (Active)

All pictures

Listed by: Phil Chen - Christie's International Real Estate Sereno

$$12,000,000

Active

est.$12,000,000/month.

Start My Approval

7 beds. 6 baths. 4,924 Sqft.

Get More Info

Start An Offer

Payment Calculator

Home Price

Interest Rate

Down Payment

Term

$/mo

Interest Rate,

This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.

Mortgage Broker

Ray Avanzino
Polaris Capital Partners
Ray@polariscappartners.com
(650) 576-6531
NMLS# 288504
Company NMLS# 01391664

Start My Approval

or Call Now: (650) 576-6531

20 Castle Court, Hillsborough, CA 94010

$12,000,000

Active

est.$12,000,000/month.

Start My Approval

7 beds 6.5 baths 4,924 Sq.ft.

Download Listing As PDF

Generating PDF

Property details for 20 Castle Court, Hillsborough, CA 94010

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 4,924 square feet of refined living space, including an attached JADU. 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.

Broker details: Christie's International Real Estate Sereno

Listed by: Phil Chen
Co-listing Broker: Aspire Homes
Co-listing Agent: Axis Elite Team

Property Description

MLS Information

Listing: ML82059857
Listing Last Modified: 2026-09-24

Property Details

Standard Status: Active
MLS Status: Active
Property style: Contemporary, Modern / High Tech
Built in: 2026
Lot size area: 21787 Square Feet

Geographic Data

County: San Mateo

Features

Interior Features

Flooring: Hardwood, Wood
Bedrooms: 7
Full baths: 6.5
Half baths: 1
Living area: 4924
Interior Features: Vaulted Ceiling(s), Pantry, Walk-In Closet(s), High Ceilings, Double Vanity, Kitchen Island

Exterior Features

Roof type: Metal
Pool: Pool/Spa Combo, In Ground
View: Hills, Neighborhood, Water
Foundation: Concrete Perimeter

Parking

Garage spaces: 3

Utilities

Sewer: Public Sewer
Water: Public
Heating: Heat Pump

Property Information

Rossetti Realty Inc.

20 Castle Court, Hillsborough, CA 94010