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    Contra Costa County, CA Office Buildings for Sale

    41 results
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    Historic Pinole Commercial Office Property
    $799,000
    2,652 SF

    Historic Pinole Commercial Office Property

    2131 San Pablo Ave, Pinole, CA 94564

    Unique commercial office in Old Town Pinole with historic charm.

    • Prime location in desirable Old Town Pinole, close to cafes, shopping, and the coastline.
    • Unique historical building, originally one of the area's first churches (built in the late 1800s).
    • Light‑filled interior with high ceilings and large stained glass windows.
    • Functional layout with office and conference rooms, reception area, and two bathrooms.
    • Grand spiral staircase and classical fixtures create a sophisticated ambiance.
    Updated: Oct 15, 2025
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    Multi-Tenant Office Building in Pittsburg
    $750,000
    3,200 SF

    Multi-Tenant Office Building in Pittsburg

    3978 Railroad Ave, Pittsburg, CA 94565

    Multi-tenant office building with income potential in Pittsburg, California.

    • Multi‑tenant office building with income from established tenants.
    • Vacant unit built out as a barber shop, ideal for immediate lease‑up or owner‑user.
    • Flexible layout and zoning supports various professional, retail, or office uses.
    • Good‑sized parking lot with 17 stalls.
    • Nicely maintained 3,200 +/- sf building.
    Updated: Sep 6, 2025
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    Light-Filled Office Building For Sale
    $1,350,000
    3,361 SF

    Light-Filled Office Building For Sale

    Charming office building with private access to gardens and decks.

    54 Railroad Ave, Richmond, CA 94801
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    Light-Filled Office Building For Sale
    $1,350,000
    3,361 SF

    Light-Filled Office Building For Sale

    Charming office building with private garden access in Richmond.

    Railroad Ave, Richmond, CA 94801
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    Historic Downtown Concord Office Building
    $925,000
    2,316 SF

    Historic Downtown Concord Office Building

    Historic building in downtown Concord with commercial mixed-use zoning.

    2080 East St, Concord, CA 94520
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    Concord Office Building For Sale
    Contact for pricing
    19,586 SF

    Concord Office Building For Sale

    Highly visible Concord office building with prime signage placement.

    1410 Monument Blvd, Concord, CA 94520
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    Downtown Pittsburg Office Building
    $1,798,000
    13,806 SF

    Downtown Pittsburg Office Building

    13,806 SF office building in Downtown Pittsburg.

    415 Railroad Ave, Pittsburg, CA 94565
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    Lafayette Owner/User Opportunity
    Contact for pricing
    25,789 SF

    Lafayette Owner/User Opportunity

    25,789 SF office building in Lafayette's downtown core.

    3687 Mt Diablo Blvd, Lafayette, CA 94549
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    Walnut Creek Owner-User Office
    $2,000,000
    2,428 SF

    Walnut Creek Owner-User Office

    Small office building with ground floor flex space.

    1176 Boulevard Way, Walnut Creek, CA 94595
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    Freestanding Building with Dedicated Parking
    Contact for pricing
    9,465 SF

    Freestanding Building with Dedicated Parking

    Freestanding office building with dedicated parking lot in Walnut Creek.

    1630 Mt Diablo Blvd, Walnut Creek, CA 94596
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    Two-Story Office Building For Sale
    Contact for pricing
    44,341 SF

    Two-Story Office Building For Sale

    44,341 SF office building suitable for administrative or medical use.

    375 N Wiget Ln, Walnut Creek, CA 94598
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    El Cerrito Office Building
    $2,000,000
    9,392 SF

    El Cerrito Office Building

    Office building with development potential near BART and shopping.

    1600 Kearney St, El Cerrito, CA 94530
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    Medical/Professional Flex Office Building
    Contact for pricing
    29,489 SF

    Medical/Professional Flex Office Building

    Medical/professional and flex office building in Antioch, California.

    2213 Buchanan Rd, Antioch, CA 94509
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    Concord Office Building For Sale
    $2,299,999
    6,492 SF

    Concord Office Building For Sale

    6,492 SF office building available in Concord, California.

    1844 Clayton Rd, Concord, CA 94520
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    Fully Leased Retail/Office Building
    $8,237,000
    20,198 SF

    Fully Leased Retail/Office Building

    Two-story, 20,198 SF retail/office building in Walnut Creek, CA.

    2099 Mt Diablo Blvd, Walnut Creek, CA 94596
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    Downtown Martinez Office Building
    $999,999
    7,382 SF

    Downtown Martinez Office Building

    Two-story office building in downtown Martinez, approximately 7,382 SF.

    820 Alhambra Ave, Martinez, CA 94553
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    Pinole Office Building with Yard
    Contact for pricing
    1,984 SF

    Pinole Office Building with Yard

    1,984 SF office building with a large fenced yard.

    890 San Pablo Ave, Pinole, CA 94564
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    Downtown Walnut Creek Office Building
    $6,500,000
    12,000 SF

    Downtown Walnut Creek Office Building

    Three-story office building in downtown Walnut Creek with surface parking.

    1601 N California Blvd, Walnut Creek, CA 94596
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    Deer Valley Road Office Building
    $5,375,000
    24,638 SF

    Deer Valley Road Office Building

    Office building for sale on Deer Valley Road.

    5201-5249 Deer Valley Rd, Antioch, CA 94531
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    Martinez Office Building For Sale
    $740,000
    2,952 SF

    Martinez Office Building For Sale

    Single tenant office building with yard/parking near downtown.

    2356 Pacheco Blvd, Martinez, CA 94553
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    Downtown Martinez Craftsman Office Building
    $838,000

    Downtown Martinez Craftsman Office Building

    Iconic Craftsman office building in Downtown Martinez near courthouses.

    1004 Court St, Martinez, CA 94553
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    Medical Office Buildings Near Hospitals
    $3,799,999
    14,878 SF

    Medical Office Buildings Near Hospitals

    Office/medical buildings near Kaiser Permanente & John Muir Medical Offices.

    309-311 Lennon Ln, Walnut Creek, CA 94598
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    High-Visibility Building on Major Arterial
    $720,000

    High-Visibility Building on Major Arterial

    High-visibility building with ample parking and upgraded mechanicals.

    6645 Alhambra Ave, Martinez, CA 94553
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    Remodeled Office Building For Sale
    $1,600,000

    Remodeled Office Building For Sale

    Move-in ready, furnished office building with kitchen and storage.

    418 Wilson Ave, Richmond, CA 94805
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    Contra Costa County, CA Office Buildings Investment Opportunities Market Analysis

    Explore 1209 office buildings for sale in Contra Costa County, CA, showcased through 41 active listings on our real estate platform. These investment opportunities span a total of 15,693,020 square feet of properties for sale, with an estimated market value of $799,789,000.

    Prices for office properties in Contra Costa County, CA start at $60,000, averaging $1,332,981, and reaching up to $26,270,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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    Browse Office buildings for Sale Near Contra Costa, CA

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