Homes Under $700K in Castro Valley, CA

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3 beds New construction With a pool

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11 Listings

Homes Under $700K in Castro Valley, CA

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11 Listings

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Homes Under $700K in Castro Valley, CA

11 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #01840925

Call Thomas

37Active
$625,000
2 bd · 3 ba · 1,146 sqft
20223 Santa Maria Ave, Castro Valley, CA
Leah Tounger · KW Advisors East Bay
46Active
$449,000
2 bd · 2 ba · 1,100 sqft
21103 Gary 318a, Castro Valley, CA
Tracy Tang · Compass
46Active
$449,000
2 bd · 2 ba · 1,100 sqft
21103 Gary 318a, Castro Valley, CA
Tracy Tang · Compass

Listing data & MLS disclosures

BayEast: Listing information provided by BayEast.
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 2026-09-28 08:30:02 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: 2026-09-28 08:30:02 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.
San Francisco Association of REALTORS MLS: The data relating to real estate for sale on this website comes in part from the Internet Data exchange (IDX) program of the San Francisco Association of REALTORS®. IDX information is provided exclusively 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. Real estate listings held by brokerage firms other than Realty.com are indicated by detailed information about them such as the name of the listing firms. Information deemed reliable but not guaranteed. Copyright © 2026 San Francisco Association of REALTORS®. All Rights Reserved.

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

Castro Valley, CA community profile

Area: 73.9 sq. mi.

Source: HJN community data

Explore Castro Valley homes

Castro Valley, CA community profile

Area: 73.9 sq. mi.

Source: HJN community data

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

Listing data & MLS disclosures

BayEast: Listing information provided by BayEast.
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 2026-09-28 08:30:02 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: 2026-09-28 08:30:02 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.
San Francisco Association of REALTORS MLS: The data relating to real estate for sale on this website comes in part from the Internet Data exchange (IDX) program of the San Francisco Association of REALTORS®. IDX information is provided exclusively 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. Real estate listings held by brokerage firms other than Realty.com are indicated by detailed information about them such as the name of the listing firms. Information deemed reliable but not guaranteed. Copyright © 2026 San Francisco Association of REALTORS®. All Rights Reserved.

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #01840925

Call Thomas

Multi-family homes

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Your local brokerage

Thomas O'Leary

Realty.com

Lic. #01840925

Call Thomas

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Your local brokerage

Listing data & MLS disclosures

Castro Valley housing market

Castro Valley, CA community profile

Explore Castro Valley homes

Castro Valley, CA community profile

Castro Valley housing market

Listing data & MLS disclosures

Your local brokerage

Your local brokerage