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    Portland, ME Duplexes for Sale

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    Falmouth, ME South Portland, ME Long Island, ME
    10 results
    Portland Mixed-Use Investment Opportunity
    $1,190,000
    5,036 SF

    Portland Mixed-Use Investment Opportunity

    522-526 Washington Avenue, Portland, ME 04103

    Two adjoining properties with income potential near downtown Portland.

    • Two adjoining properties on high‑visibility Washington Avenue.
    • Renovated commercial office building and mixed‑use 2‑family with commercial space.
    • Expansive combined parking footprint rare near downtown.
    • Strong existing income with additional upside potential.
    • Easy access to I‑295, Back Cove, and the Roux Institute campus.
    Updated: May 29
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    West End Income Property
    $990,000
    2,634 SF

    West End Income Property

    75 Carleton Street, Portland, ME 04102

    Charming two-unit property in Portland's West End.

    • Prime West End location, close to restaurants, shops, hospitals, and the waterfront.
    • Proven income‑generating property currently operating as a successful Airbnb.
    • Versatile two‑unit property suitable for investors, owner‑occupants, or multi‑generational living.
    • Spacious primary unit with 4 bedrooms, an office, and 3 bathrooms featuring updated custom kitchen, cathedral ceilings, exposed beams, and skylights.
    • Rare city amenities including a private courtyard, space for a city garden, and off‑street parking.
    Updated: May 25
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    Portland Duplex with Attic Potential
    $625,000
    2,612 SF

    Portland Duplex with Attic Potential

    Investment opportunity: spacious units, attic potential, convenient location.

    605 Washington Avenue, Portland, ME 04103
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    Deering Neighborhood Two-Unit Multifamily Property
    $750,000
    2,424 SF

    Deering Neighborhood Two-Unit Multifamily Property

    Well-maintained two-unit property in desirable Portland neighborhood.

    31 Alba Street, Portland, ME 04103
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    Updated Two-Unit Near Baxter Woods
    $950,000
    2,080 SF

    Updated Two-Unit Near Baxter Woods

    Updated two-unit property in desirable Deering Center location.

    155 Hartley Street, Portland, ME 04103
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    Two-Unit Condo with ADU Potential
    $679,998
    965 SF

    Two-Unit Condo with ADU Potential

    Modern two-unit condo with flexible ADU, ideal for investors.

    1 Firefly Street, Portland, ME 04101
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    Updated Two-Family Near Woodfords Corner
    $849,000
    2,650 SF

    Updated Two-Family Near Woodfords Corner

    Updated two-family near shops, restaurants, and Heseltine Park.

    60-62 Ocean Avenue, Portland, ME 4103
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    Portland Mixed-Use Investment Opportunity
    $1,190,000

    Portland Mixed-Use Investment Opportunity

    Two adjoining properties with income and upside potential near downtown.

    522 Washington Ave, Portland, ME 4103
    View details
    Portland Mixed-Use Investment Opportunity
    $1,190,000
    5,036 SF

    Portland Mixed-Use Investment Opportunity

    Two adjoining properties with commercial and residential income potential.

    522-526 Washington Avenue, Portland, ME 4103
    View details
    Turnkey Historic Two-Family Home
    $399,000
    2,592 SF

    Turnkey Historic Two-Family Home

    Updated two-family home in North Deering, close to amenities.

    1155 Washington Avenue, Portland, ME 4103
    View details
    Based on your search, we've compiled 14 Potential Opportunities for your consideration. Besides 10 Active listings in Portland, ME, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Opportunities in Nearby Cities

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

    Saco Riverfront Multi-Family Property
    $2,265,000
    4,026 SF

    Saco Riverfront Multi-Family Property

    Remodeled multi-family property on 4.32 acres with river views.

    38 Pine Ridge Road, Saco, ME 04072
    View details
    Saco Multifamily with Development Potential
    $699,000
    2,314 SF

    Saco Multifamily with Development Potential

    Two-unit property with potential for expansion in a convenient location.

    7 Garfield Street, Saco, ME 04072
    View details
    Versatile Old Orchard Beach Property
    $850,000
    3,931 SF

    Versatile Old Orchard Beach Property

    Duplex plus cottage near the beach with income potential.

    62 Evergreen Avenue, Old Orchard Beach, ME 04064
    View details
    Old Orchard Beach Duplex Investment
    $449,000
    2,272 SF

    Old Orchard Beach Duplex Investment

    Duplex near Old Orchard Beach with income potential.

    37 Evergreen Avenue, Old Orchard Beach, ME 04064
    View details

    Portland, ME Duplexes Investment Opportunities Market Analysis

    Explore 10 duplexes for sale in Portland, ME, showcased through 10 active listings on our real estate platform. These investment opportunities span a total of 29,149 square feet of properties for sale, with an estimated market value of $8,471,998.

    Sale prices for duplexes in Portland, ME start at $399,000, averaging $847,199, and reaching up to $1,190,000 — 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

    Apartment buildings 13
    Duplexes 10
    Triplexes 10
    Quadplexes 7
    Short term rental properties 2

    Property Size Breakdown

    The majority of commercial real estate listings in Portland fall within the 100,000+ square foot range.

    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 median listing prices of real estate assets

    Neighborhood Average Price
    04101 $680K
    04103 $769.4K
    04102 $1.1M

    Taxes & Financing

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

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    Most Searched ZIP Codes in Portland, ME

    • 04103
    • 04101

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