Portland, ME Duplexes for Sale

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South Portland, ME Cape Elizabeth, ME Falmouth, ME New Portland, ME Scarborough, ME Chebeague Island, ME Westbrook, ME Gorham, ME

36 properties

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Updated: Jul 31

Duplex with Walk-Up Attic

605 Washington Avenue, Portland, ME 04103

$550,000

2,612 sqft 0.16 AC lot

Duplex with two 4‑bedroom/1‑bath units, each more than 1,000 square feet
2,612 square feet of property size on a 0.16‑acre lot
Walk‑up attic served by two staircases; added‑unit use requires City of Portland verification
Full basement with washer/dryer hookups, blown insulation, and two newer natural‑gas wall‑hung boilers
Off‑street parking on a nearly completely fenced lot, plus garage storage

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605 Washington Avenue, Portland, ME 04103

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Est. Cap Rate

8.4%
Above avg (5.9%)
Est. NOI

$46K
Annual
Price @ 7% Cap

$659K
Above asking

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Updated: Aug 11

Historic Two-Unit Property

381 Deering Avenue, Portland, ME 04103

$1,349,000

5,003 sqft 0.15 AC lot

5,003 square feet across three finished levels
Two residences with three- and four‑bedroom layouts
First‑floor unit includes 1.5 baths, formal dining room, and sunroom
Upper unit features an updated kitchen and three sun porches
Original trim, built‑ins, hardwood floors, and period architectural details

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Mixed-Use Property with Office Building

522-526 Washington Avenue, Portland, ME 04103

$1,070,000

5,036 sqft 0.33 AC lot

Two adjoining commercial properties combine office space with a two-family building and commercial area.

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Renovated Duplex with Garage

850 Washington Avenue, Portland, ME 04103

$799,000

2,184 sqft 0.53 AC lot

Updated two-unit property with separate utilities, off-street parking, and substantial outdoor space.

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Historic Two-Unit Property

381 Deering Avenue, Portland, ME 04103

$1,349,000

5,003 sqft

Three finished levels contain two separate residences with distinct living, dining, and kitchen areas.

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Two-Unit Property with Garage

14 Devon Street, Portland, ME 04102

$725,000

2,487 sqft 0.27 AC lot

The wood-frame property contains separate apartments, basement access, and a two-car garage.

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Owner-Occupied Duplex with Deck

155 Hartley Street, Portland, ME 04103

$950,000

2,080 sqft 0.16 AC lot

Two-unit residence with updated systems, off-street parking, and public water and sewer service.

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Duplex with Two-Car Garage

14 Devon Street, Portland, ME 04102

$725,000

2,487 sqft 0.28 AC lot

Two-unit New Englander duplex on a large lot with off-street parking and a two-car garage, built in 1900.

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Victorian Duplex with Garage

240 Park Avenue, Portland, ME 04102

$719,000

2,333 sqft 0.08 AC lot

Two separately metered residences with distinct layouts, shared laundry, outdoor spaces, and convenient access to Portland destinations.

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Duplex with Private Courtyard

75 Carleton Street, Portland, ME 04102

$970,000

2,634 sqft 0.05 AC lot

Two-unit property with flexible living arrangements, off-street parking, and a fenced outdoor area in Portland’s West End.

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Updated Duplex with Private Entrance

24 Rowe Avenue, Portland, ME 04102

$650,000

1,749 sqft

Two-unit property with remodeled interiors, dedicated outdoor space, storage, and off-street parking.

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Renovated Two-Unit Duplex

83 Capisic Street, Portland, ME 04102

$950,000

2,432 sqft 0.48 AC lot

Updated townhome-style units offer three bedrooms, modern kitchens, and refreshed building systems in Portland.

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Updated Two-Family Duplex

1538 Congress Street, Portland, ME 04102

$659,000

2,680 sqft 0.11 AC lot

Two three-bedroom units include renovated kitchens and bathrooms, with one unit vacant and the other occupied.

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Updated Two-Unit Duplex

1538 Congress Street, Portland, ME 04102

$659,000

2,680 sqft

Two three-bedroom residences combine renovated interiors with distinct outdoor and flex-space features.

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Colonial 2-Unit Duplex

24 Rowe Avenue, Portland, ME 04102

$650,000

1,749 sqft 0.13 AC lot

Two residential units offer separate entrances, updated interior spaces, storage, and convenient off-street parking.

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Up-to-Date Turnkey Duplex

59-61 Maggie Lane, Portland, ME 04103

$599,900

1,872 sqft 0.49 AC lot

Up-to-date two-bedroom, one-bath duplex with daylight basements, zoned RN-3, on a 0.49-acre lot at a quiet cul-de-sac.

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Duplex with Walk-Up Attic

605 Washington Ave, Portland, ME 04103

$550,000

2,612 sqft

Two four-bedroom, one-bath units include flexible layouts, basement utility space, and off-street parking.

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Two-Unit Duplex with Fenced Yard

1747 Forest Avenue, Portland, ME 04103

$665,000

1,840 sqft

Well-maintained residential income property with two-bedroom units, off-street parking, and a corner-lot setting.

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Renovated Mixed-Use Property

522-526 Washington Avenue, Portland, ME 04103

$1,070,000

5,036 sqft

Two adjoining properties combine office space with a two-family building and commercial space.

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Duplex With Double-Width Driveway

115 Woodford Street, Portland, ME 04103

$825,000

2,840 sqft 0.11 AC lot

Woodfords Corner area duplex with off-street parking, porch, and public utilities.

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Turnkey Renovated Duplex Property

83 Capisic Street, Portland, ME 04102

$950,000

2,432 sqft 0.48 AC lot

Completely renovated two-unit duplex with new kitchens, updated flooring, and major system upgrades, plus a brand-new driveway.

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Mixed-Use Property with Parking

526 Washington Avenue, Portland, ME 04103

$480,000

1,866 sqft 0.16 AC lot

Two residential units accompany commercial space and off-street parking along Washington Avenue.

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Two-Unit Residential Income Property

240 Park Avenue, Portland, ME 04102

$719,000

2,333 sqft

Two separately metered units with shared basement laundry and a garage, positioned across from Seadogs Stadium and Portland Expo Center.

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Multi-Family, Portland, ME

13 Wellington Road, Portland, ME 04103

$949,000

1,808 sqft 0.24 AC lot

Duplexes · 1,808 SF

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Portland, ME Duplexes Market Trends and Statistics

Explore 36 duplexes for sale in Portland, ME, showcased through 36 active listings on our real estate platform. These investment opportunities span a total of 97,629 square feet of properties for sale, with an estimated market value of $25,846,900.

Sale prices for duplexes in Portland, ME start at $480,000, averaging $807,715, and reaching up to $1,349,000 — 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

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
04101	$680K
04103	$775.4K
04102	$824.2K

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

Office

Residential Income

Property Size Breakdown

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

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Portland, ME Duplexes for Sale

605 Washington Avenue, Portland, ME 04103

381 Deering Avenue, Portland, ME 04103

522-526 Washington Avenue, Portland, ME 04103

850 Washington Avenue, Portland, ME 04103

381 Deering Avenue, Portland, ME 04103

14 Devon Street, Portland, ME 04102

155 Hartley Street, Portland, ME 04103

14 Devon Street, Portland, ME 04102

240 Park Avenue, Portland, ME 04102

75 Carleton Street, Portland, ME 04102

24 Rowe Avenue, Portland, ME 04102

83 Capisic Street, Portland, ME 04102

1538 Congress Street, Portland, ME 04102

1538 Congress Street, Portland, ME 04102

24 Rowe Avenue, Portland, ME 04102

59-61 Maggie Lane, Portland, ME 04103

605 Washington Ave, Portland, ME 04103

1747 Forest Avenue, Portland, ME 04103

522-526 Washington Avenue, Portland, ME 04103

115 Woodford Street, Portland, ME 04103

83 Capisic Street, Portland, ME 04102

526 Washington Avenue, Portland, ME 04103

240 Park Avenue, Portland, ME 04102

13 Wellington Road, Portland, ME 04103

Portland, ME Duplexes Market Trends and Statistics

Top Commercial Asset Segments

Demographics Overview

High-Yield Neighborhoods for Investment

Taxes & Financing

Listings Trend

Total CRE Inventory on Market (SF)

Average Property Price per SF

Retail

Office

Residential Income

Property Size Breakdown

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