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    Portland, ME
    Flex Space

    Portland, ME Flex Space for Sale

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    South Portland, ME Cape Elizabeth, ME New Portland, ME Chebeague Island, ME Falmouth, ME Scarborough, ME Westbrook, ME Gorham, ME
    Former Auto Shop Development Site
    Updated: Jun 11
    Former Auto Shop Development Site

    189 Anderson Street, Portland, ME 04101

    $745,000
    1,635 sqft 0.19 AC lot
    0.19± AC development site in Portland’s East Bayside neighborhood with immediate access to I‑295
    Includes an existing 1,635± SF steel‑constructed former auto repair shop
    Flexible B‑5 (Urban Commercial) zoning supports commercial, low‑impact industrial, and residential uses
    Site plan approvals in place for a 5,665± SF flex building
    Approved site also could support up to 40 residential apartment units (confirm with City of Portland)
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    Flex Building with Overhead Door
    Updated: Nov 25, 2025
    Flex Building with Overhead Door

    892 Riverside Street, Portland, ME 04103

    $695,000
    4,610 sqft 0.34 AC lot
    4,610± SF flex building on 0.34± acres with office and warehouse space plus an overhead door
    Office layout includes 5–7 private offices, reception area, and kitchenette
    Warehouse has clear‑span space 80' deep and 37' wide with an 8' x 8' overhead door
    On‑site paved parking included
    Year built: 1922; office portion was likely a residence before the warehouse addition
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    Portland Flex Space For Sale
    Portland Flex Space For Sale

    429 Deering Avenue, Portland, ME 04103

    $750,000
    2,764 sqft 0.13 AC lot

    Flex space available for sale in Portland, Maine.

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    Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center
    Based on your search, we've compiled 17 Potential Opportunities for your consideration. Besides 3 Active listings in Portland, ME, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 6 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Flex and Retail Building
    Flex and Retail Building

    1306 Main Street, Sanford, ME 04073

    $1,180,000
    7,288 sqft 1.98 AC lot

    Building includes 1200 sf retail and heated flex space with 12' ceilings plus cold storage and overhead doors.

    View details
    Industrial Building with Office Space
    Industrial Building with Office Space

    328 Rodman Road, Auburn, ME 04210

    $329,000
    2,000 sqft 0.88 AC lot

    Industrial building includes office space, two bathrooms, and one overhead door plus a separate storage building.

    View details
    Versatile Commercial Building with Retail
    Versatile Commercial Building with Retail

    1306 Main Street, Sanford, ME 04073

    $1,180,000
    7,288 sqft 1.98 AC lot

    7288 SF commercial building with retail and flexible space.

    View details
    Auburn Flex/R&D Building For Lease
    Auburn Flex/R&D Building For Lease

    33 Omni Cir, Auburn, ME

    $3,000,000
    32,200 sqft 3.28 AC lot

    Flex/R&D building with upgrades, near airport and I-95.

    View details

    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.

    Commercial Land Parcel on Route 16
    Commercial Land Parcel on Route 16

    829 Route 16, Ossipee, NH 03896

    $299,900
    4.00 AC lot

    Approximate four-acre commercial parcel with strong Route 16 visibility and frontage, requiring subdivision approval and private utilities planning.

    View details
    Industrial-Commercial Development Land
    Industrial-Commercial Development Land

    524R Mammoth Road, Londonderry, NH 03053

    $500,000
    4.53 AC lot

    C-II zoned, level parcel with substantial frontage on NH Route 28 and town sewer available nearby off Mammoth Road.

    View details
    Londonderry Commercial Land Opportunity
    Londonderry Commercial Land Opportunity

    524R Mammoth Rd, Londonderry, NH 03053

    $500,000
    4.53 AC lot

    4.53-acre commercial parcel with development potential in Londonderry, NH.

    View details
    Industrial Land for Sale
    Industrial Land for Sale

    319 North Main St, Middleton, MA 01949

    $2,299,000
    3.38 AC lot

    3.38 acres of M1 zoned land available.

    View details

    Off-Market Properties in Portland, ME

    Consider similar Off-Market properties in Portland, 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.

    265 Marginal Way
    Flex space

    265 Marginal Way, Portland, ME 04101

    Value Estimation by Request
    53,849 sqft
    View details
    52 Alder St
    Flex space

    52 Alder St, Portland, ME 04101

    Value Estimation by Request
    15,446 sqft
    View details
    91 Industrial Way
    Distribution properties

    91 Industrial Way, Portland, ME 04103

    Value Estimation by Request
    17,600 sqft
    View details
    Union Wharf
    Flex space

    0 Union Wharf, Portland, ME 04101

    Value Estimation by Request
    16,000 sqft
    View details
    503-509 Forest Ave
    Flex space

    503-509 Forest Ave, Portland, ME 04101

    Value Estimation by Request
    73,750 sqft
    View details
    10 Manuel Dr
    Flex space

    10 Manuel Dr, Portland, ME 04103

    Value Estimation by Request
    6,000 sqft
    View details

    Portland, ME Flex Space Market Trends and Statistics

    Explore 9 flex space for sale in Portland, ME, showcased through 3 active listings on our real estate platform. These investment opportunities span a total of 9,009 square feet of properties for sale, with an estimated market value of $2,190,000.

    Sale prices for business spaces in Portland, ME start at $695,000, averaging $730,000, and reaching up to $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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Flex space 15
    Distribution centers 2
    Manufacturing properties 1

    Demographics Overview

    Population 119K
    Population Growth (5Y) +15.6%
    Median Household Income $93,177
    College Educated 60.2%

    High-Yield Neighborhoods for Investment

    Identify Portland submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    04103 $838.2K
    04101 $2.5M

    Taxes & Financing

    Tax Rate (average for all types) 1.44%
    Property Tax per SF $9.35 per SF
    Tax Rate vs County Average 0.08 pp below county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Cumberland County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

    For-sale pricing trends across core commercial property types in Cumberland County

    Retail

    Residential Income

    Property Size Breakdown

    The majority of commercial real estate listings in Portland fall within the 25,000 to 50,000 square foot range.

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    Most Searched ZIP Codes in Portland, ME

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