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Sale Pending at 20 Castle Ct, Hillsborough, CA 94010 | MLS# ML82059857 | Listing updated on 2026-11-04
Photo 1 of Sale Pending at 20 Castle Ct, Hillsborough, CA 94010 | MLS# ML82059857 | Listing updated on 2026-11-04
Photo 2 of Sale Pending at 20 Castle Ct, Hillsborough, CA 94010 | MLS# ML82059857 | Listing updated on 2026-11-04
Photo 3 of Sale Pending at 20 Castle Ct, Hillsborough, CA 94010 | MLS# ML82059857 | Listing updated on 2026-11-04
Photo 4 of Sale Pending at 20 Castle Ct, Hillsborough, CA 94010 | MLS# ML82059857 | Listing updated on 2026-11-04
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Listed by: Phil Chen (415) 271-1920 DRE #01715177, Axis Elite Team DRE #70010248 | Christie's International Real Estate Sereno (650) 844-7373

$12,000,000

Monthly Est:$59,728

  • Beds Icon7 Beds
  • Beds Icon
    7 Baths
  • Beds Icon5,722sqft

20 Castle Ct, Hillsborough, CA 94010

$59,728/moEst:

Get Pre-Approved

  • Single Family Residence

  • Built in 2026

  • $-- HOA

  • 21,787 sqft lot

  • $2,097/sq.ft

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 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.

  • Houzeo last checked: 7 minutes ago
  • Listing updated: November 4, 2026 at 1:05 am
  • Source: California Regional MLS-CA | MLS#: ML82059857 California Regional MLS-CA

Property Details

  • Status

    Pending

  • Type

    Single Family Residence

  • No. of Stories

    2

  • County

    San Mateo County

  • City

    Hillsborough

  • Neighborhood

    --

  • Year Built

    2026

  • HOA Fees

    -

  • Finished Area

    5,722 sqft

  • Lot Size

    21,787 sqft lot

  • Basement Area

    - sqft

  • MLS Name

    California Regional MLS

  • MLS Number

    ML82059857

  • MLS Status

    Pending

  • Days on Market

    64

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Location

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 7

    Bathrooms: 7

Interior

  • Cooling

    Central Air

  • Appliances

    Dishwasher, Freezer, Disposal, Refrigerator, Range Hood

  • Heating

    Heat Pump

  • Interior Features

    Walk In Closets

  • Sewer

    Public Sewer

  • Flooring

    Wood

Construction

  • Year Built

    Year Built: 2026

  • Home type

    Single Family Residence

  • Architectural Style

    Contemporary, Modern

  • Construction Materials

    Concrete, Steel

  • Roof

    Metal

Utilities & Energy

  • Utilities

    Natural Gas Available

  • Pool Features

    In Ground

  • Water Source

    Public

  • Parking Features

    Gated

Price History

DateEventPrice

11/02/2026

Source: mls_logoCalifornia Regional MLS-CA #ML82059857

Pending

$12,000,000

$4,762/sqft

10/13/2026

Source: mls_logoCalifornia Regional MLS-CA #ML82059857

Contingent (Active Under Contract)

$12,000,000

$4,762/sqft

09/02/2026

Source: mls_logoCalifornia Regional MLS-CA #ML82059857

Listed for Sale

$12,000,000 +141076.47%

$4,762/sqft

08/04/2022

Source: mls_logoCalifornia Regional MLS-CA #ML81890768

Price Increased

$8,500 +13.33%

$3/sqft

07/25/2022

Source: mls_logoCalifornia Regional MLS-CA #ML81890768

Price Decreased

$7,500 -99.82%

$3/sqft

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Nearby Homes

Based on information from California Regional Multiple Listing Service, Inc. as of Nov 06, 2026, 05:15PM and /or other sources. 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. 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. This website may not include listings or property addresses of sellers who have directed their listing brokers to withhold their listing or their property address from display on the Internet. © 2026 California Regional Multiple Listing Service. All Rights Reserved.

Advertising Broker: William Johnson DRE #01463271 | William Johnson Brokerage

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