Add Listing
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Office
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price range
    $
    $
    Size
    Property size / sq.ft.
    AI Search

    Meet Realmo: The Largest Hub
    of Commercial Real     Estate in the US

    Over 1 million active listings and over 150 million property profiles

    Castro Valley, CA Office Buildings for Sale

    Notify Me
    List
    Map
    Los Angeles, CA Lancaster, CA San Diego, CA
    Castro Valley Mixed-Use Opportunity
    $2,199,000
    10,191 SF

    Castro Valley Mixed-Use Opportunity

    2805 Castro Valley Blvd, Castro Valley, CA 94546

    Mixed-use building with retail, office, and workshop spaces.

    • Prime Location: Castro Valley Boulevard, near Chabot Theatre and Eden Medical Center
    • Mixed‑Use Property: Includes office building, retail storefront, and freestanding workshop
    • High Investment Potential: Enormous Upside Potential!!
    • Huge Lot with Tons of Parking!
    • Features 16 commercial units
    Updated: Sep 25, 2025
    View details
    Castro Valley Office Building
    $850,000
    402 SF

    Castro Valley Office Building

    19693 REDWOOD Road, Castro Valley, CA 94546

    Well-located office building in Castro Valley with high visibility.

    • Prime commercial location on highly visible Redwood Road in Castro Valley.
    • Excellent exposure and accessibility for a variety of professional uses.
    • Easy access to major commuter routes and public transportation.
    • Strategically positioned for strong business visibility throughout the East Bay.
    • Surrounded by established businesses, retail, and dining options.
    Updated: Mar 26
    View details
    Based on your search, we've compiled 64 Potential Opportunities for your consideration. Besides 2 Active listings in Castro Valley, CA, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 54 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Explore Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Hayward Freestanding Office Building
    $615,000
    1,514 SF

    Hayward Freestanding Office Building

    Single-tenant office building in Hayward with functional layout.

    22283 Main St, Hayward, CA 94541
    View details
    Mixed-Use Buildings Near Downtown
    $1,250,000
    2,800 SF

    Mixed-Use Buildings Near Downtown

    Two mixed-use buildings located near downtown San Leandro.

    2242 Washington Ave, San Leandro, CA
    View details
    San Leandro Flex Building For Sale
    Contact for pricing
    6,000 SF

    San Leandro Flex Building For Sale

    6,000 SF flex building with fenced yard near freeway.

    15890 Foothill Blvd, San Leandro, CA 94578
    View details
    Government-Leased Office Property For Sale
    $4,420,000
    19,131 SF

    Government-Leased Office Property For Sale

    Single-tenant office building leased to Alameda County through 2029.

    22225 Foothill Blvd, Hayward, CA 94541
    View details

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Downtown San Jose Commercial Property
    $1,900,000
    7,863 SF

    Downtown San Jose Commercial Property

    Prime location with flexible zoning for diverse commercial uses.

    12 S 15th ST 206, San Jose, CA 95112
    View details
    Vacant Lot in Downtown Vacaville
    $299,000
    0.14 Acres

    Vacant Lot in Downtown Vacaville

    Buildable lot with approved plans for single-story office building.

    Merchant Street, Vacaville, CA 95688
    View details
    Commercial Land in Modesto
    $2,100,000

    Commercial Land in Modesto

    Commercial land available for sale in Stanislaus County.

    924 G Street, Modesto, CA 95356
    View details
    Commercial Lot with Business Potential
    $395,000

    Commercial Lot with Business Potential

    Commercial lot with business potential in a high-traffic area.

    7118 Bowling Drive, Sacramento, CA 95823
    View details

    Explore Off-Market Properties in Castro Valley, CA

    Consider similar Off-Market properties in Castro Valley, CA. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    20995 Redwood Rd

    20995 Redwood Rd

    OFFICE BUILDING • 4,239 SF
    Value Estimation by Request
    20995 Redwood Rd, Castro Valley, CA 94546-5919
    View details
    3603 Jamison Way

    3603 Jamison Way

    OFFICE BUILDING • 3,588 SF
    Value Estimation
    $770,000
    3603 Jamison Way, Castro Valley, CA 94546-4303
    View details
    19693 Redwood Rd

    19693 Redwood Rd

    OFFICE BUILDING • 402 SF
    Value Estimation by Request
    19693 Redwood Rd, Castro Valley, CA 94546-3456
    View details
    20665 Santa Maria Ave

    20665 Santa Maria Ave

    OFFICE BUILDING • 1,721 SF
    Value Estimation
    $1,180,000
    20665 Santa Maria Ave, Castro Valley, CA 94546-5611
    View details
    21977 Redwood Rd

    21977 Redwood Rd

    OFFICE BUILDING • 1,200 SF
    Value Estimation
    $635,000
    21977 Redwood Rd, Castro Valley, CA 94546-6437
    View details
    20401 Santa Maria Ave

    20401 Santa Maria Ave

    OFFICE BUILDING • 1,600 SF
    Value Estimation
    $695,000
    20401 Santa Maria Ave, Castro Valley, CA 94546-5609
    View details
    20345 Santa Maria Ave

    20345 Santa Maria Ave

    OFFICE BUILDING • 2,080 SF
    Value Estimation by Request
    20345 Santa Maria Ave, Castro Valley, CA 94546-4207
    View details
    20880 Baker Rd

    20880 Baker Rd

    OFFICE BUILDING • 2,976 SF
    Value Estimation
    $750,000
    20880 Baker Rd, Castro Valley, CA 94546-5729
    View details
    1700 Norbridge Ave

    1700 Norbridge Ave

    OFFICE BUILDING • 2,560 SF
    Value Estimation by Request
    1700 Norbridge Ave, Castro Valley, CA 94546-5700
    View details
    21666 Redwood Rd

    21666 Redwood Rd

    OFFICE BUILDING • 4,218 SF
    Value Estimation
    $1,575,000
    21666 Redwood Rd, Castro Valley, CA 94546-6440
    View details
    20990 Redwood Rd

    20990 Redwood Rd

    OFFICE BUILDING • 34,488 SF
    Value Estimation
    $10,125,000
    20990 Redwood Rd, Castro Valley, CA 94546-5918
    View details
    21715 Redwood Rd

    21715 Redwood Rd

    OFFICE BUILDING • 1,464 SF
    Value Estimation
    $635,000
    21715 Redwood Rd, Castro Valley, CA 94546-6433
    View details
    20880 Redwood Rd

    20880 Redwood Rd

    OFFICE BUILDING • 1,728 SF
    Value Estimation
    $760,000
    20880 Redwood Rd, Castro Valley, CA 94546-5916
    View details
    20574 Wisteria St

    20574 Wisteria St

    OFFICE BUILDING • 2,060 SF
    Value Estimation
    $630,000
    20574 Wisteria St, Castro Valley, CA 94546-5523
    View details
    4545 Crow Cyn Pl

    4545 Crow Cyn Pl

    OFFICE BUILDING • 6,621 SF
    Value Estimation
    $1,520,000
    4545 Crow Cyn Pl, Castro Valley, CA 94552-4803
    View details
    21060 Redwood Rd

    21060 Redwood Rd

    OFFICE BUILDING • 18,453 SF
    Value Estimation
    $4,030,000
    21060 Redwood Rd, Castro Valley, CA 94546-5931
    View details
    20638 Patio Dr

    20638 Patio Dr

    OFFICE BUILDING • 2,305 SF
    Value Estimation
    $530,000
    20638 Patio Dr, Castro Valley, CA 94546-5606
    View details
    3636 Castro Vly Blvd

    3636 Castro Vly Blvd

    OFFICE BUILDING • 6,000 SF
    Value Estimation
    $505,000
    3636 Castro Vly Blvd, Castro Valley, CA 94546-4460
    View details
    3553 Castro Vly Blvd

    3553 Castro Vly Blvd

    OFFICE BUILDING • 9,576 SF
    Value Estimation
    $2,250,000
    3553 Castro Vly Blvd, Castro Valley, CA 94546-4400
    View details
    21981 Redwood Rd

    21981 Redwood Rd

    OFFICE BUILDING • 1,498 SF
    Value Estimation
    $685,000
    21981 Redwood Rd, Castro Valley, CA 94546-6437
    View details
    20416 San Miguel Ave

    20416 San Miguel Ave

    OFFICE BUILDING • 1,056 SF
    Value Estimation
    $720,000
    20416 San Miguel Ave, Castro Valley, CA 94546-5518
    View details
    3563 Castro Vly Blvd

    3563 Castro Vly Blvd

    OFFICE BUILDING • 8,224 SF
    Value Estimation
    $1,890,000
    3563 Castro Vly Blvd, Castro Valley, CA 94546-4401
    View details

    Castro Valley, CA Office Buildings Investment Opportunities Market Analysis

    Explore 56 office buildings for sale in Castro Valley, CA on our real estate platform. These investment opportunities span a total of 434,558 square feet of properties for sale, with an estimated market value of $29,970,000.

    Sale prices for office properties in Castro Valley, CA start at $80,000, averaging $908,181, and reaching up to $10,130,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

    List
    Map

    Browse Office buildings for Sale Near Castro Valley, CA

    Popular Searches in Castro Valley, CA

    Popular Categories

    Most Searched ZIP Codes in Castro Valley, CA

    • 94546

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!