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California Regional Multiple Listing Service

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 viewer's 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 the most recent time synced 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

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East Bay Hills Community

Condos & Apartments in Castro Valley, CA

Welcome to Castro Valley, a large unincorporated community in the hills of Alameda County between Hayward and Dublin, with BART access to San Francisco.

Castro Valley is a large census-designated place in Alameda County, California, set in the hills of the East Bay between Hayward to the west and Dublin and Pleasanton to the east. It is an unincorporated community rather than an incorporated city, and at the 2020 census it ranked as the fourth most populous unincorporated area in California, with about 64,000 residents. Services are provided by Alameda County, giving the community a distinctive governance structure within the Bay Area. The area is named for Don Guillermo Castro, a Mexican-era Californio ranchero and magistrate who held the land grant covering the valley in the mid-1800s. Through the late 19th and early 20th centuries, Castro Valley remained rural, known for its chicken ranches and agriculture. After World War II, returning veterans and new commuters transformed it into a suburban community, and the population grew rapidly as single-family homes spread across the valley floor and into the hills. Today Castro Valley is a mature, family-oriented suburb with a strong school system and abundant open space. Lake Chabot Regional Park, operated by the East Bay Regional Park District, offers boating, fishing, and miles of trails, along with the 18-hole Redwood Canyon Public Golf Course, and is flanked by Anthony Chabot Regional Park and the Don Castro and Cull Canyon swim areas. The Castro Valley Unified School District serves roughly 9,000 students across the community. Transportation is anchored by the Castro Valley BART station on the Blue Line, which runs between Dublin/Pleasanton and Daly City and connects residents to Oakland and downtown San Francisco in about 30 minutes. Interstate 580 and nearby Interstates 238 and 880 provide highway links across the East Bay. This combination of suburban space, good schools, regional parkland, and fast transit access has made Castro Valley an enduringly popular place to live within the Bay Area.

Population 64,392
County Alameda
Active Listings 113
Browse by Listing Type
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homeHouses apartmentCondos & Apartments holiday_villageTownhouses & Duplexes crop_landscapeLots & Land parkFarms & Ranches

Frequently Asked Questions

Is Castro Valley an incorporated city?

Castro Valley is an unincorporated community and census-designated place, not an incorporated city. It is the fourth most populous unincorporated area in California, with services provided by Alameda County rather than a city government.

What county is Castro Valley in?

Castro Valley is in Alameda County, California, in the East Bay region. It sits in the hills between Hayward to the west and Dublin and Pleasanton to the east, along the Interstate 580 corridor.

What school district serves Castro Valley?

Castro Valley is served by the Castro Valley Unified School District, a public preschool-through-adult district with roughly 9,000 students. The district operates several elementary schools, middle schools, and Castro Valley High School.

Does Castro Valley have a BART station?

Yes, Castro Valley has a BART station on the Blue Line, which runs between Dublin/Pleasanton and Daly City. The station connects the community to Oakland and San Francisco, putting downtown San Francisco roughly 30 minutes away by transit.

What is the population of Castro Valley?

Castro Valley's population was 64,392 at the 2020 census, making it a sizable East Bay suburb. The community is named for the 19th-century ranchero Don Guillermo Castro and remains one of California's largest unincorporated areas.

MARKET SNAPSHOT

The Market at a Glance

How homes have been selling here over the last 90 days.

home_work New This Week 11
Went Under Contract 0
trending_down Price Reductions 0
payments Median Sale Price $1,140,000 -5.0%
square_foot Price per Sq Ft $687
schedule Avg Days on Market 25
sell Homes Sold 86
percent Sale-to-List Ratio 105.0%
inventory_2 Months of Inventory 2.8

Price & Sales History

Market data reflects closed sales over the last 90 days and is provided for informational purposes.

BROWSE BY ZIP

Zip Codes

Browse listings by postal code in this area.

039 homes for saleMedian sale$295K1 sale in the last 90 days
0000021 homes for saleMedian sale$370KPer sq ft$199 sales in the last 90 days
100231 home for saleMedian sale$1M2 sales in the last 90 days
111111 home for saleMedian sale$295K
123451 home for saleMedian sale$295K
218501 home for saleMedian sale$145KPer sq ft$1275 sales in the last 90 days
227132 homes for saleMedian sale$565KPer sq ft$2744 sales in the last 90 days
227401 home for saleMedian sale$315KPer sq ft$2643 sales in the last 90 days
483121 home for saleMedian sale$317KPer sq ft$166133 sales in the last 90 days
759641 home for saleMedian sale$205KPer sq ft$1151 sale in the last 90 days
760631 home for saleMedian sale$495KPer sq ft$190254 sales in the last 90 days
777601 home for saleMedian sale$129.4KPer sq ft$3101 sale in the last 90 days
View All Zip Codes
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3767 Castro Valley Blvd. For Sale
$1,099,000
3767 Castro Valley Blvd.Castro Valley, CA 94546
  • 3 bd
  • 2.5 ba
  • 1705 sqft
  • Built 2025
  • 41145015
EXP Realty of California, Inc
3824 Norbridge Ave For Sale
$1,159,000
3824 Norbridge AveCastro Valley, CA 94546
  • 4 bd
  • 4 ba
  • 1714 sqft
  • Built 2025
  • 41144840
EXP Realty of California, Inc
3832 Norbridge Ave For Sale
$1,149,000
3832 Norbridge AveCastro Valley, CA 94546
  • 4 bd
  • 4 ba
  • 1714 sqft
  • Built 2025
  • 41144862
EXP Realty of California, Inc
3818 Norbridge Ave For Sale
$1,139,000
3818 Norbridge AveCastro Valley, CA 94546
  • 4 bd
  • 4 ba
  • 1714 sqft
  • Built 2025
  • 41144856
EXP Realty of California, Inc
3810 Norbridge Ave For Rent
$5,500
3810 Norbridge AveCastro Valley, CA 94546
  • 3 bd
  • 3 ba
  • 1423 sqft
  • Built 2026
  • 41144457
Winco Realty
20061 Santa Maria Ave For Sale
$998,000
20061 Santa Maria AveCastro Valley, CA 94546
  • 3 bd
  • 2.5 ba
  • 1918 sqft
  • Built 1980
  • 41144103
Coldwell Banker Realty
3765 Castro Valley Blvd For Sale
$1,249,900
3765 Castro Valley BlvdCastro Valley, CA 94546
  • 4 bd
  • 3.5 ba
  • 2062 sqft
  • Built 2025
  • 41142792
Coldwell Banker Realty
20278 Forest Ave #4 For Sale
$499,000
20278 Forest Ave #4Castro Valley, CA 94546
  • 2 bd
  • 1.5 ba
  • 1014 sqft
  • Built 1981
  • 41142316
KW Advisors East Bay
2505 Miramar Ave #114 For Sale
$429,000
2505 Miramar Ave #114Castro Valley, CA 94546
  • 2 bd
  • 2 ba
  • 899 sqft
  • Built 1988
  • 41138557
Twin Oaks Real Estate Inc
5389 San Simeon Place For Sale
$888,000
5389 San Simeon PlaceCastro Valley, CA 94552
  • 3 bd
  • 2.5 ba
  • 1640 sqft
  • Built 1981
  • ML82049670
Realty Executives SV Inc.
21239 Gary #206 For Sale
$470,000
21239 Gary #206Castro Valley, CA 94546
  • 2 bd
  • 2 ba
  • 1393 sqft
  • Built 1992
  • PW26101712
Circle Real Estate
3525 Teeling Court For Sale
$1,049,888
3525 Teeling CourtCastro Valley, CA 94546
  • 3 bd
  • 2.5 ba
  • 1684 sqft
  • Built 2019
  • ML82046020
Christie's International Real Estate Sereno
19100 Crest Ave #66 For Sale
$485,000
19100 Crest Ave #66Castro Valley, CA 94546
  • 2 bd
  • 2 ba
  • 1328 sqft
  • Built 1973
  • 41133005
Evolve Real Estate
19100 Crest Ave #24 For Sale
$425,000
19100 Crest Ave #24Castro Valley, CA 94546
  • 2 bd
  • 1 ba
  • 1190 sqft
  • Built 1969
  • 41129688
Berkshire Hathaway Home Services
14

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