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    Lake County, CA Office Spaces for Sale

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    13 properties
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    Geodesic Dome Medical Office
    Updated: Apr 1
    Geodesic Dome Medical Office

    3610 Old Highway 53, Clearlake, CA 95422

    $325,000
    Geodesic dome building with 2,800 square feet of office space
    Includes a 1,000‑square‑foot addition completed in 2008
    Upper level offers 800 square feet with bathroom, shower, office, cooking area, and storage
    Lower level includes a second bathroom, offices, reception, and additional storage
    Operated as an optometry office for the past 30 years
    View details
    Office/Retail Building with Parking
    Updated: Nov 7, 2025
    Office/Retail Building with Parking

    401 S Main, Lakeport, CA 95453

    $385,000
    Over 1/2 acre in downtown Lakeport.
    Existing office/retail building.
    Plenty of parking.
    Three entrance/exit points for ease of access.
    Located on S. Main St.
    View details
    C3-Zoned Flex Space
    C3-Zoned Flex Space

    11270 Clayton Creek Road, Lower Lake, CA 95457

    $999,000

    Commercial building offers office areas, a loading dock, fenced grounds, and room for additional site development.

    View details
    Realmo Analytics Monitor Off-market properties and contact owners who are ready to sell. Many signals applied to make quality leads for you. Get Leads
    Spanish-Style Office Building
    Spanish-Style Office Building

    301 N Forbes St, Lakeport, CA 95453

    $250,000
    1,617 sqft

    Eight offices, a kitchenette, and a bathroom provide a practical professional workspace.

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    Warehouse and Office Space Available
    Warehouse and Office Space Available

    2150 S Main, Lakeport, CA 95453

    $1,300,000
    12,846 sqft

    Office and warehouse space with high ceilings and parking.

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    Mixed-Use Commercial Building
    Mixed-Use Commercial Building

    14092 Lakeshore, Clearlake, CA 95422

    $275,000
    3,404 sqft

    Leased office space with a rear parking lot supporting additional parking or deliveries.

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    Unique Geodesic Dome Office Space
    Unique Geodesic Dome Office Space

    3610 Old Highway 53, Clearlake, CA 95422

    $325,000
    2,800 sqft

    Distinctive Clearlake office building designed by Buckminster Fuller.

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    Downtown Lakeport Commercial Office Building
    Downtown Lakeport Commercial Office Building

    525 N Main, Lakeport, CA 95453

    $550,000
    7,950 sqft

    Commercial office building in downtown Lakeport with approximately 7,950 square feet.

    View details
    Lower Lake Commercial Property
    Lower Lake Commercial Property

    16345 Main St, Lower Lake, CA 95457

    $375,000
    2,640 sqft

    Rare commercial property in Lower Lake's historic business district.

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    Main Street Retail Building Opportunity
    Main Street Retail Building Opportunity

    2570 S Main St, Lakeport, CA 95453

    $2,750,000
    14,000 sqft 7.30 AC lot

    Commercial property with retail, storage, and expansion potential in Lakeport.

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    Versatile Commercial Property Near Main
    Versatile Commercial Property Near Main

    390 N Forbes St, Lakeport, CA 95453

    $325,000

    Commercial property featuring a welcoming lobby and essential amenities.

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    Clearlake Commercial Property on Lakeshore
    Clearlake Commercial Property on Lakeshore

    14832 Lakeshore Drive, Clearlake, CA 95422

    $290,000
    1,820 sqft

    Office, warehouse, and yard space in a prime location.

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    Commercial Parcel with Warehouse/Office Buildings
    Commercial Parcel with Warehouse/Office Buildings

    7070 Old Highway 53, Clearlake, CA 95422

    Contact for pricing
    10,776 sqft 1.00 AC lot

    Acre commercial parcel with three steel warehouse/office buildings.

    View details
    Based on your search, we've compiled 72 Potential Opportunities for your consideration. Besides 13 Active listings in Lake County, CA, we suggest exploring several alternatives: similar 59 Off-Market properties to explore as potential leads

    Off-Market Properties in Lake County, CA

    Consider similar Off-Market properties in Lake County, 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.

    2495 Parallel Dr
    OFFICE BUILDING

    2495 Parallel Dr, Lakeport, CA 95453-9757

    Estimated value:
    $640,000
    4,504 sqft 2.47 AC lot
    View details
    4590 Frye Ave
    OFFICE BUILDING

    4590 Frye Ave, Clearlake, CA 95422

    Estimated value:
    $190,000
    799 sqft 0.12 AC lot
    View details
    13537 Hwy 20
    OFFICE BUILDING

    13537 Hwy 20, Clearlake Oaks, CA 95423

    Estimated value:
    $215,000
    256 sqft 0.67 AC lot
    View details
    370 Main St
    OFFICE BUILDING

    370 Main St, Lakeport, CA 95453-4808

    Estimated value:
    $400,000
    0.14 AC lot
    View details
    1002 11th St
    OFFICE BUILDING

    1002 11th St, Lakeport, CA 95453-4106

    Estimated value:
    $225,000
    1,452 sqft 0.33 AC lot
    View details
    14280 Lakeshore Dr
    OFFICE BUILDING

    14280 Lakeshore Dr, Clearlake, CA 95422-8159

    Estimated value:
    $210,000
    2,121 sqft 0.21 AC lot
    View details
    13280 Hwy 20
    OFFICE BUILDING

    13280 Hwy 20, Clearlake Oaks, CA 95423-8125

    Estimated value:
    $855,000
    2,880 sqft 0.72 AC lot
    View details
    14728 Emory Ave
    OFFICE BUILDING

    14728 Emory Ave, Clearlake, CA 95422

    Estimated value:
    $160,000
    918 sqft 0.12 AC lot
    View details
    333 Armstrong St
    OFFICE BUILDING

    333 Armstrong St, Lakeport, CA 95453-5201

    Estimated value:
    $225,000
    1,984 sqft 0.23 AC lot
    View details
    751 11th St
    OFFICE BUILDING

    751 11th St, Lakeport, CA 95453-3705

    Estimated value: by Request
    3,215 sqft 0.51 AC lot
    View details
    21136 Calistoga Rd
    OFFICE BUILDING

    21136 Calistoga Rd, Middletown, CA 95461

    Estimated value:
    $375,000
    1,000 sqft 0.09 AC lot
    View details

    Lake County, CA Office Spaces Market Trends and Statistics

    Explore 72 office spaces for sale in Lake County, CA, showcased through 13 active listings on our real estate platform. These investment opportunities span a total of 57,853 square feet of properties for sale, with an estimated market value of $8,149,000.

    Sale prices for office properties in Lake County, CA start at $250,000, averaging $679,083, and reaching up to $2,750,000 — 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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    Featured Lake County Real Estate Agencies

    Realmo connects you with licensed Lake County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    City Center Realty
    975 North Main Street Lakeport, CA 95453
    Phone: 17072636911
    citycenterrealty.com
    Noble Realty
    P.O. Box 834, 375 E. Hwy 20 Upper Lake, CA 95485
    Phone: 17072750115
    thenoblerealty.com
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