2265 Ralston Avenue Hillsborough, CA ^$ 19,500,000

2265 Ralston Avenue

^$ 19,500,000

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2265 Ralston Avenue

Hillsborough, CA, 94010

^$ 19,500,000

Bedrooms5 Baths5.2 Sq 5,132

Monthly Estimate*

^$ 123,125

Listed by Jenn Gilson, Golden Gate Sotheby's International Realty, jenn@jenngilson.com

2265 Ralston Avenue, Hillsborough, CA 94010 - Image 1

Single Family Home for sale in Hillsborough, CA

for $19,500,000 with 5 bedrooms and 5 full baths, 2 half baths. This 5,132 square foot home was built in 2026 on a lot size of 0.5223.

New construction in progress and will be completed in Mid 2027. This is An exceptional new estate in coveted Lower North Hillsborough.

Single Family Contingent

Price

^$ 19,500,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 0

Style

Lot Size

0.5223

Year Built

2026

Town/City

Hillsborough

County/Region

San Mateo

MLS | Web ID

ML82062674

Days on Market

Features

General

Living Area 5132

Sewer Public Sewer

Cooling None

Roof Shingle

Zoning R10025

Garage Spaces 2

Security Features Fire Sprinkler System

Construction Materials Other

Year Built 2026

Property Subtype Single Family Residence

County San Mateo

New Construction false

Property Type Residential

HOA false

Attached Garage true

Garage Y/N true

Full Baths 5

Special Listing Conditions Standard

Status Active Under Contract

Directions Cross Street: Eucalyptus Ave.

City Hillsborough

High School District Other

MLS Area 699 - Not Defined

Lot Size Units Square Feet

Lot Size Square Feet 22752

Property Attached Y/N false

Standard Status Active Under Contract

Year Built Source Other

Property Sub Type Additional Single Family Residence

Interior

Fireplace Features Family Room Living Room

Total Stories 2

Common Walls No Common Walls

Air Conditioning Y/N true

Heating Y/N true

Fireplace Y/N true

Half Baths 2

Total Bedrooms 5

Total Baths 7

Exterior

Parking Features Guest

Water Source Public

Total Parking 2

Lot Size Area 22752

Lot Size Acres 0.5223

Lot Size Source Other

* Excluded Features

List By

Jenn Gilson

Listing Agent

Golden Gate Sotheby's International Realty

Broker

jenn@jenngilson.com

Affordability Calculator

$123,125

Per Month

Monthly Principal & Interest: $123,125
Monthly Property Taxes: --
Monthly Home Insurance: --

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Loan Term

Interest Rate

Yearly Property Taxes

Yearly Home Insurance

Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Single family listings in Hillsborough, CA

Average List Price ^$13,748,745

Percent of Sale Price 29%

About Hillsborough, CA

11,149 Population

3% Since 2002

^$195,338 Median Income

50.58 Median Age

36% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

4827338 Elementary School

4827337 Middle School

Unknown High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
9/25/2026	$19,500,000		Listed Price

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2265 Ralston Avenue, Hillsborough, CA, 94010 is a Single Family Home for sale at $19,500,000 with 5,132 sqft and a lot size of 0.5223. 2265 Ralston Avenue has 5 bedrooms, 5.2 baths, and was built in 2026. The property's zip code is 94010 which is in Hillsborough, CA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Listing data provided courtesy of the Internet Data Exchange Program of the California Regional Multiple Listing Service, Inc..

Based on information from California Regional Multiple Listing Service, Inc. as of 10/6/2026. 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, 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.

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2265 Ralston Avenue

Single Family Home for sale in Hillsborough, CA

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