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Contra Costa County, CA Office Buildings for Sale

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Multi-Tenant Office Building
Updated: Aug 13
Multi-Tenant Office Building

3978 Railroad Ave, Pittsburg, CA 94565

$725,000
3,200 sqft 0.25 AC lot
Approximately 3,200 square feet configured as three separate office units
Two units occupied; one updated vacant unit with reception area and private offices
CN zoning supports professional services, retail services, and office uses
17‑stall parking lot on a 0.25‑acre parcel
Front sign, fenced site, public water, and public sewer
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3978 Railroad Ave, Pittsburg, CA 94565

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Multi-Suite Office Building
Updated: Jun 12
Multi-Suite Office Building

116 Washington Avenue, Richmond, CA 94801

$975,000
4,535 sqft 0.07 AC lot
High current (7.0%) and pro forma (8.1%) cap rates offer reliable income and growth potential.
Well‑maintained 4,535 SF office property with a history of strong tenant demand.
Located in the heart of Point Richmond's commercial hub with walkable access to retail and dining.
Comprised of five individual office suites with flexible configurations.
Historically high occupancy rates and low operational costs.
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Mixed-Use Building with Private Driveway
Mixed-Use Building with Private Driveway

2924 Clayton Rd, Concord, CA 94519

$1,495,000
2,712 sqft 0.06 AC lot

Two-level commercial layout includes offices, meeting rooms, a kitchen, utility space, and separate upstairs access.

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Multi-Tenant Office Building
Multi-Tenant Office Building

3978 Railroad Ave, Pittsburg, CA 94565

$725,000
3,200 sqft

Three suites offer separate entrances, including an updated vacant space alongside two occupied units.

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Freestanding Office Building
Freestanding Office Building

6433 Fairmount, El Cerrito, CA 94530

$2,900,000
0.22 AC lot

Commercially zoned office property with covered parking and access to nearby BART and El Cerrito Plaza.

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Historic Office Building
Historic Office Building

2131 San Pablo Avenue, Pinole, CA 94564

$749,000
2,652 sqft 0.14 AC lot

Period architectural details complement a flexible office layout with conference rooms, reception space, and two bathrooms.

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Point Richmond Office Investment Opportunity
Point Richmond Office Investment Opportunity

116 Washington Avenue, Richmond, CA 94801

$975,000
4,535 sqft 0.07 AC lot

Well-maintained office property in Point Richmond with income potential.

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Medical Office Buildings Near Hospitals
Medical Office Buildings Near Hospitals

Walnut Creek, CA 94598

$3,799,999
14,878 sqft

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

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Medical Office Buildings Near Hospitals
Medical Office Buildings Near Hospitals

309-311 Lennon Lane, Walnut Creek, CA 94598

$3,799,999
14,878 sqft

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

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Craftsman Office Building in Downtown
Craftsman Office Building in Downtown

1004 Court St, Martinez, CA 94553

$838,000
1,583 sqft 0.25 AC lot

Iconic Craftsman office building in Downtown Martinez near Courthouses.

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Commercial Office Building with Parking
Commercial Office Building with Parking

2800 Lone Tree Way, Antioch, CA 94509

$799,000
2,128 sqft 0.19 AC lot

Single-story office building with ample parking and flexible layout.

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Multi-Tenant Office Building in Pittsburg
Multi-Tenant Office Building in Pittsburg

3978 Railroad Ave, PITTSBURG, Pittsburg, CA 94565

$750,000
3,200 sqft

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

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Free Standing Office Building Investment
Free Standing Office Building Investment

300 H Street |, Antioch, CA 94509

$1,899,000
10 sqft

High-quality, fully leased office building with income in place.

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Furnished Office Building
Furnished Office Building

3436 Hillcrest Ave Ste 150, Antioch, CA 94531

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5,640 sqft

Two-unit professional property with PD zoning and furnished space for medical or dental practices.

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Concord Office Property for Sale
Concord Office Property for Sale

2520 Stanwell Drive, Concord, CA 94520

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24,602 sqft 1.80 AC lot

24,602 SF office property in Stanwell Business Park.

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Medical Office Building
Medical Office Building

3160 Garrity Way, Richmond, CA 94806

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5,950 sqft

CR zoning and immediate post-closing occupancy support an owner-user strategy.

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Secured Office Building
Secured Office Building

2824 Lone Tree Way, Antioch, CA 94509

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932 sqft

Improved office property with controlled vehicle access and enclosed site security features.

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High-Visibility Building on Major Arterial
High-Visibility Building on Major Arterial

6645 Alhambra Ave, Martinez, CA 94553

$560,000
1,420 sqft

Owner/user or investment opportunity with move-in suite and ample parking.

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Office Building with Dedicated Parking
Office Building with Dedicated Parking

811 San Ramon Valley Blvd, Danville, CA 94526

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7,520 sqft

Owner-user office property with boulevard frontage, existing tenants, and flexible occupancy potential.

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Corner Office Building
Corner Office Building

2395 Willow Pass Rd, Concord, CA 94520

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6,080 sqft

Corner office property with drive-through potential in Downtown Concord near new residential development and BART access.

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Medical/Professional Office Building
Medical/Professional Office Building

2213 Buchanan Rd, Antioch, CA 94509

Contact for pricing
29,489 sqft

Medical, professional, and flex office building offered for sale in Antioch, California.

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Light-Filled Office Building For Sale
Light-Filled Office Building For Sale

54 Railroad Ave, Richmond, CA 94801

$1,350,000
0.09 AC lot

Charming office building with natural light and convenient location.

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Walnut Creek Office Space
Walnut Creek Office Space

1756 Lacassie Ave, Walnut Creek, CA 94596

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7,875 sqft

7,875 SqFt office space available for sale.

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Single-Story Office Building
Single-Story Office Building

56 Mayhew Way, Walnut Creek, CA 94597

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2,704 sqft 0.30 AC lot

Single-story office building with dedicated 10-stall parking lot and easy access to BART and Interstate 680.

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Contra Costa County, CA Office Buildings Market Trends and Statistics

Explore 89 office buildings for sale in Contra Costa County, CA, showcased through 89 active listings on our real estate platform. These investment opportunities span a total of 1,122,665 square feet of properties for sale, with an estimated market value of $41,976,998.

Sale prices for office properties in Contra Costa County, CA start at $530,000, averaging $1,749,041, and reaching up to $7,970,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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