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    Knox County, ME Storefront Properties for Sale

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    Portland, ME Lewiston, ME Augusta, ME
    Rockland Mixed-Use Commercial Building
    $459,000
    2,556 SF

    Rockland Mixed-Use Commercial Building

    367 Main Street, Rockland, ME 04841

    Two-story mixed-use building in downtown Rockland, Maine.

    • Prime downtown Rockland location, just a block from the waterfront and Buoy Park.
    • Mixed‑use zoning offers flexibility.
    • Major renovations completed: new roof, windows, doors, framing, insulation, floor leveling, foundation, drainage, electric, plumbing, and heating.
    • Engineering study completed for potential addition of two stories.
    • Blank canvas interior ready for customization.
    Updated: Sep 21, 2025
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    Established Antique Shop on Highway
    $250,000
    1,500 SF

    Established Antique Shop on Highway

    2856 Atlantic Highway, Warren, ME 04864

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

    • High‑visibility location on a heavily traveled road.
    • Established antique shop with included inventory.
    • Well‑constructed barn with two levels of retail space.
    • Picturesque 2‑acre parcel.
    • Additional extensions for extra display areas.
    Updated: Jan 26
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    Rockport Commercial Building on Acreage
    $100,000
    2,160 SF

    Rockport Commercial Building on Acreage

    Commercial building on .64 acres with high visibility and access.

    407 West Street, Rockport, ME 04856
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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 2 acres.

    2856 Atlantic Highway, Warren, ME 04864
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    Commercial Building in Prime Location
    $389,000
    1,520 SF

    Commercial Building in Prime Location

    Mixed-use property with commercial space and residential apartment.

    145 Main Street, Thomaston, ME 04861
    View details
    Based on your search, we've compiled 11 Potential Opportunities for your consideration. Besides 5 Active listings in Knox County, ME, we suggest exploring several alternatives: similar 2 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    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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    Land For Sale, Castine, ME
    $795,000
    1.00 Acre

    Land For Sale, Castine, ME

    One acre of land for sale in Castine, Maine.

    M17 L15 Perkins Street, Castine, ME 04421
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    Augusta Land with River Views
    Contact for pricing
    0.22 Acres

    Augusta Land with River Views

    0.22-acre lot in Augusta, KBD2 zone, with Kennebec River views.

    Arsenal Street, Augusta, ME 04330
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    Improved Lot in Unity, Maine
    $70,000
    54,450.00 Acres

    Improved Lot in Unity, Maine

    1.25 acre lot with power, water, and septic design.

    M12 L31-3 Stage Coach Road, Unity, ME 04988
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    Explore Off-Market Properties in Knox County, ME

    Consider similar Off-Market properties in Knox County, ME. 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.

    749 Heald Hwy

    749 Heald Hwy

    Individual retail properties • 18,300 SF
    Value Estimation by Request
    749 Heald Hwy, Union, ME 04862
    View details
    1960 Heald Hwy

    1960 Heald Hwy

    STORE, RETAIL OUTLET • 6.83 Acres
    Value Estimation by Request
    1960 Heald Hwy, Union, ME 04862-4800
    View details

    Knox County, ME Storefront Properties Investment Opportunities Market Analysis

    Explore 7 storefront properties for sale in Knox County, ME, showcased through 5 active listings on our real estate platform. These investment opportunities span a total of 9,236 square feet of properties for sale, with an estimated market value of $1,448,000.

    Sale prices for retail units in Knox County, ME start at $100,000, averaging $289,600, and reaching up to $459,000 — 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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