Homes Under $900K in Castro Valley, CA

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Thomas O'Leary

Realty.com

Lic. #01840925

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New22Active
$799,000
2 bd · 1 ba · 1,167 sqft
3257 Somerset Ave, Castro Valley, CA
Kenneth Papierniak · Kenneth Papierniak, Broker
Open house Sat, Oct 3 · 1:00 PM31Active
$589,000
2 bd · 3 ba · 1,129 sqft
22093 Betlen Way, Castro Valley, CA
Helen Rahimzadeh · Christie's Intl RE Sereno
Open house Sat, Oct 3 · 1:00 PM43Active
$758,000
2 bd · 1 ba · 969 sqft
16133 Berkshire Dr, Castro Valley, CA
Vanessa Comfort · EXP Realty of California, Inc

Listing data & MLS disclosures

BayEast: Listing information provided by BayEast.
The MLS (CLAW): The multiple listings information is provided by The MLS/CLAW from a copyrighted compilation of listings. The compilation of listings and each individual listing are © 2026 The MLS/CLAW. All Rights Reserved. The information 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. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified.
California Regional Multiple Listing Service (CRMLS): The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional. Based on information from California Regional Multiple Listing Service, Inc. as of 2026-09-30 01:40:30 UTC 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.
Listing information ©2026 California Regional Multiple Listing Service, Inc®. All Rights Reserved. Last Updated: 2026-09-30 01:40:30 UTC
Contra Costa Association of REALTORS: Bay East ©2026. CCAR ©2026. bridgeMLS ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

About Homes Under $900K in Castro Valley, CA

Homes Under $900K in Castro Valley, CA: 71 active listings as of October 2, 2026, 12:55 UTC.

Property types among these 71 listings, by the property type each listing’s MLS reports, spelled as the MLS spells it. Types with fewer than 5 listings, and listings whose MLS reports no type, are not shown, so the shares can total less than 100%.
Property type	Listings	Share
Single Family Residence	40	56.3%
Condominium	18	25.4%
Townhouse	11	15.5%

Castro Valley housing market

August 2026 · This period is still settling

Selling at 100.1% of asking price

Sales here are closing essentially at asking. MLS · 36 sales · as of Aug 31, 2026

Homes that sold · County records, as of Aug 7, 2026

Median sale price: $1,498,000$1,050,000–$1,720,000 typical range
Price per sq. ft.: $676
Sales: 13
Paid in cash: 30.8%

Price trend · Assessor repeat sales, as of Aug 31, 2026

Year-over-year: 9.2%

Castro Valley, CA community profile

Area: 73.9 sq. mi.

Source: HJN community data

Registered offenders on the map

Registered offenders on the map

Registered offenders on the map

Registered offenders on the map

Homes Under $900K in Castro Valley, CA

Homes Under $900K in Castro Valley, CA

Your local brokerage

Listing data & MLS disclosures

About Homes Under $900K in Castro Valley, CA

Castro Valley housing market

Homes that sold · County records, as of Aug 7, 2026

Price trend · Assessor repeat sales, as of Aug 31, 2026

Castro Valley, CA community profile

Explore Castro Valley homes

Listing data & MLS disclosures

Castro Valley, CA community profile

Castro Valley housing market

Homes that sold · County records, as of Aug 7, 2026

Price trend · Assessor repeat sales, as of Aug 31, 2026

Your local brokerage

Your local brokerage