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    Knox County, ME Commercial Real Estate for Sale

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    Portland, ME Lewiston, ME Augusta, ME
    69 listings
    Flexible Office Building with Meeting Rooms
    $995,000
    8,619 SF
    Flexible Office Building with Meeting Rooms

    10 Knowlton Street, Camden, ME 04843

    Built in 2001 with two wings, multiple private offices, and meeting space, plus outdoor decks and covered entry.
    • Built in 2001 with an approximately 6,633 SF versatile commercial building on slab foundation
    • B‑1 zoning with space suited for professional, medical, educational, childcare, nonprofit, restaurant, hotel and inn uses
    • Flexible layout with two distinct wings, each featuring a large meeting/conference room and multiple private offices
    • Restrooms include two separate two‑stall restrooms in one wing plus an additional restroom in the other
    • Dry fire sprinkler system spans the entire building; heating includes central oil‑fired system plus four heat pumps
    Updated: Jun 4
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    Versatile Mixed-Use Rockland Opportunity
    $874,000
    16,281 SF
    Versatile Mixed-Use Rockland Opportunity

    342-344 Park Street, Rockland, ME 04841

    Mixed-use property with commercial building and residential home.
    • Rare mixed‑use property featuring a 13,710 sq ft commercial building and a separate 2,571 sq ft residential home on 1.82± acres.
    • Commercial building is suitable for manufacturing, light industrial, storage, or distribution, and includes a warehouse, production space, offices, and break room.
    • Spacious 3‑bedroom, 2‑bath residential home with barn provides options for owner occupancy, employee housing, or rental income.
    • Ample acreage allows for parking, outdoor storage, equipment, and future expansion.
    • Convenient Rockland location provides easy access to local services, transportation, and the Midcoast region.
    Updated: May 7
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    Rockland Commercial Space on Route One
    $1,225,000
    8,241 SF
    Rockland Commercial Space on Route One

    Versatile 8900+ sq ft commercial space with brewery setup.

    5 Payne Avenue, Rockland, ME 04841

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    Downtown Rockland Commercial Building For Sale
    $965,000
    10,066 SF
    Downtown Rockland Commercial Building For Sale

    Profitable retail business with additional rental units in vibrant location.

    464 Main Street, Rockland, ME 04841

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    Route 17 Commercial Opportunity
    $499,999
    3,697 SF
    Route 17 Commercial Opportunity

    Commercial building on 4 acres with excellent visibility and flexibility.

    43 Augusta Road, Washington, ME 04574

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    Spacious Inn with Period Details
    $1,750,000
    11,751 SF
    Spacious Inn with Period Details

    Turnkey inn featuring 11 guest rooms and owner's quarters.

    82 Elm Street, Camden, ME 04843

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    Retail Opportunity in Camden, Maine
    $1,700,000
    8,623 SF
    Retail Opportunity in Camden, Maine

    Retail property for sale in Camden, Maine.

    10 Mechanic Street, Camden, ME 04843

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    Downtown Thomaston Mixed-Use Investment
    $697,500
    4,498 SF
    Downtown Thomaston Mixed-Use Investment

    Mixed-use property with commercial tenants and conversion potential.

    189 Main Street, Thomaston, ME 04861

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    Renovated Office-to-Residence Building
    $1,500,000
    7,184 SF
    Renovated Office-to-Residence Building

    Renovated two-story property with a first-floor configuration and second-floor apartment, plus on-site parking and yard space.

    48 Washington Street, Camden, ME 04843

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    Versatile Commercial Site with Buildings
    $925,000
    29,882 SF
    Versatile Commercial Site with Buildings

    10-acre commercial property with 30,000 sq ft buildings.

    1023 Eastern Road, Warren, ME 04864

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    Rockland Commercial Property For Sale
    $450,000
    2,512 SF
    Rockland Commercial Property For Sale

    Commercial property in a desirable location with paved parking.

    43 Glen Street, Rockland, ME 04841

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    Historic Camden Mixed-Use Property
    $1,350,000
    5,875 SF
    Historic Camden Mixed-Use Property

    Versatile property in the heart of Camden, Maine.

    84 Elm Street, Camden, ME 04843

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    Thomaston Commercial Property on Route One
    $250,000
    2,100 SF
    Thomaston Commercial Property on Route One

    Commercial property with Route One visibility, suitable for various uses.

    2 Atlantic Highway, Thomaston, ME 04861

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    Rockland Brewing Facility and Restaurant
    $1,375,000
    8,241 SF
    Rockland Brewing Facility and Restaurant

    Versatile space with brewing setup, dining, and outdoor patio.

    5 Payne Avenue, Rockland, ME 04841

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    Rockland Commercial Condo with Cove View
    $349,000
    2,254 SF
    Rockland Commercial Condo with Cove View

    Versatile commercial condo with Main Street access and cove views.

    453 Main Street, Rockland, ME 04841

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    Live-Work Commercial Building
    $379,000
    1,520 SF
    Live-Work Commercial Building

    A commercial building with an upstairs 2-bedroom apartment, offering on-site flexibility under Village Commercial zoning.

    145 Main Street, Thomaston, ME 04861

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    Prime Commercial Lot on Main
    $149,000
    1,450 SF
    Prime Commercial Lot on Main

    Rare 0.56 acre corner lot with development potential.

    76 Fish Street, Thomaston, ME 04861

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    Mixed-Use Building with Private Backyard
    $995,000
    2,454 SF
    Mixed-Use Building with Private Backyard

    Three-unit mixed-use building in Camden with two driveways and a private backyard, currently offering two residences and office space.

    13 Wood Street, Camden, ME 04843

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    Mixed-Use Village Building with Backyard
    $995,000
    2,454 SF
    Mixed-Use Village Building with Backyard

    Three-unit village building combining residential and office space, with private backyard and two driveways.

    13 Wood Street, Camden, ME 04843

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    Historic Grist Mill with Water Rights
    $340,000
    3,285 SF
    Historic Grist Mill with Water Rights

    Historic grist mill with water rights in East Union Village.

    168 Payson Road, Union, ME 04862

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    Rockport Oceanfront Hospitality Portfolio
    $10,500,000
    9,561 SF
    Rockport Oceanfront Hospitality Portfolio

    Income-producing hospitality portfolio on 11 acres with ocean views.

    886 Commercial Street, Rockport, ME 04856

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    Rockland Harbor Waterfront Redevelopment Opportunity
    $5,200,000
    2.92 Acres
    Rockland Harbor Waterfront Redevelopment Opportunity

    2.75 acres on Rockland Harbor with redevelopment potential.

    779 Main Street, Rockland, ME 04841

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    Established Antique Shop on Highway
    $250,000
    1,500 SF
    Established Antique Shop on Highway

    Well-established antique shop with retail space on a 2-acre lot.

    2856 Atlantic Highway, Warren, ME 04864

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    Downtown Rockland Multi-Use Commercial Building
    $1,895,000
    8,083 SF
    Downtown Rockland Multi-Use Commercial Building

    Multi-use commercial building in downtown Rockland with retail and residential spaces.

    410 Main Street, Rockland, ME 04841

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    Knox County, ME Commercial Real Estate Investment Opportunities Market Analysis

    Explore 72 commercial real estate for sale in Knox County, ME, showcased through 69 active listings on our real estate platform. These investment opportunities span a total of 341,700 square feet of properties for sale, with an estimated market value of $59,423,499.

    Sale prices for business properties in Knox County, ME start at $100,000, averaging $1,320,522, and reaching up to $10,500,000 — 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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