Lake County, CA Office buildings for sale

Updated: Aug 13

Office Building With Private Offices

390 North Forbes Street, Lakeport, CA 95453

$325,000

0.12 AC lot

Three private offices plus a lobby, reception office, and conference room
Conference room features large windows
Kitchenette and bathroom included
Four off‑street parking spaces
Located one block from Main St.

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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.

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Multi-Use Downtown Office Building

1101 Main, Lakeport, CA 95453

$575,000

3,000 sqft

Turn-key stucco office building with flexible interior space and off-street parking, currently leased for office use.

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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

525 N Main St, Lakeport, CA 95453

$550,000

7,950 sqft

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

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Based on your search, we've compiled 72 Potential Opportunities for your consideration. Besides 5 Active listings in Lake County, CA, we suggest exploring several alternatives: similar 67 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.

OFFICE BUILDING

2495 Parallel Dr, Lakeport, CA 95453-9757

$640,000

Estimated value

4,504 sqft 2.47 AC lot

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OFFICE BUILDING

4590 Frye Ave, Clearlake, CA 95422

$190,000

Estimated value

799 sqft 0.12 AC lot

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OFFICE BUILDING

13537 Hwy 20, Clearlake Oaks, CA 95423

$215,000

Estimated value

256 sqft 0.67 AC lot

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OFFICE BUILDING

370 Main St, Lakeport, CA 95453-4808

$400,000

Estimated value

0.14 AC lot

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OFFICE BUILDING

1002 11th St, Lakeport, CA 95453-4106

$225,000

Estimated value

1,452 sqft 0.33 AC lot

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OFFICE BUILDING

14280 Lakeshore Dr, Clearlake, CA 95422-8159

$210,000

Estimated value

2,121 sqft 0.21 AC lot

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OFFICE BUILDING

13280 Hwy 20, Clearlake Oaks, CA 95423-8125

$855,000

Estimated value

2,880 sqft 0.72 AC lot

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OFFICE BUILDING

14728 Emory Ave, Clearlake, CA 95422

$160,000

Estimated value

918 sqft 0.12 AC lot

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OFFICE BUILDING

333 Armstrong St, Lakeport, CA 95453-5201

$225,000

Estimated value

1,984 sqft 0.23 AC lot

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OFFICE BUILDING

751 11th St, Lakeport, CA 95453-3705

Value Estimation by Request

3,215 sqft 0.51 AC lot

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OFFICE BUILDING

21136 Calistoga Rd, Middletown, CA 95461

$375,000

Estimated value

1,000 sqft 0.09 AC lot

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OFFICE BUILDING

801 11th St, Lakeport, CA 95453-4100

$490,000

Estimated value

3,268 sqft 0.23 AC lot

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OFFICE BUILDING

1904 Big Vly Rd, Finley, CA 95435-8900

$275,000

Estimated value

651 sqft 0.21 AC lot

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OFFICE BUILDING

800 Main St, Lakeport, CA 95453-5511

$475,000

Estimated value

2,277 sqft 0.08 AC lot

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OFFICE BUILDING

12858 Hwy 20, Clearlake Oaks, CA 95423-9325

$175,000

Estimated value

728 sqft 0.11 AC lot

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OFFICE BUILDING

200 Lakeport Blvd, Lakeport, CA 95453-5425

$215,000

Estimated value

1,120 sqft 0.18 AC lot

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OFFICE BUILDING

14454 Olympic Dr, Clearlake, CA 95422-8809

$235,000

Estimated value

1,765 sqft 0.17 AC lot

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OFFICE BUILDING

16540 Hwy 175, Cobb, CA 95426

$115,000

Estimated value

717 sqft 12.88 AC lot

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OFFICE BUILDING

55 1st St, Lakeport, CA 95453-4839

$1,155,000

Estimated value

1.13 AC lot

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Lake County, CA Office Buildings Market Trends and Statistics

Explore 72 office buildings for sale in Lake County, CA, showcased through 5 active listings on our real estate platform. These investment opportunities span a total of 13,750 square feet of properties for sale, with an estimated market value of $2,160,000.

Sale prices for office properties in Lake County, CA start at $325,000, averaging $432,000, and reaching up to $575,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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