Portland, ME Duplexes for Sale

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

50 properties

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Updated: Oct 13

Mixed-Use Property with Office Space

9, 13-15 Waverly Street, Portland, ME 04103

$1,800,000

7,172 sqft 0.36 AC lot

7,172‑square‑foot mixed‑use property on 0.36 acres
Office space occupies the first two floors at 9 Waverly Street, with 1,733 square feet per floor
Third‑floor apartment at 9 Waverly Street has two bedrooms
Townhouse‑style duplex built in 1987; each unit has two or three bedrooms, 1.5 baths and a full basement
Separate utilities and natural gas heat

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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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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 Parking

1148-1150 Forest Avenue, Portland, ME 04103

$699,000

2,136 sqft 0.09 AC lot

Tenant-occupied duplex in a Multi Use Commercial zone with public utilities and a paved off-street parking area.

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Victorian Duplex with Two-Unit Potential

77 Carleton Street, Portland, ME 04102

$1,349,000

3,030 sqft 0.07 AC lot

Separate kitchens and laundry areas support a possible two-unit layout.

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Historic Duplex with Barn

70 Winter Street, Portland, ME 04102

$850,000

2,456 sqft 0.10 AC lot

Two distinct residences include a spacious owner’s unit and a separately entered one-bedroom apartment.

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Duplex with Private Outdoor Spaces

106 Sherman Street, Portland, ME 04101

$875,000

2,535 sqft

Two-unit property with a private garden, rooftop deck, and distinct outdoor areas for each residence.

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Duplex with Third-Floor Bonus Room

35 Clinton Street, Portland, ME 04103

$749,000

3,210 sqft 0.12 AC lot

Both residences have front and rear porches, along with updated kitchens and bathrooms.

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Two-Unit Ranch Duplex

18-20 Dingley Court, Portland, ME 04103

$675,000

1,864 sqft 0.25 AC lot

Two distinct floor plans include a three-bedroom residence and a separate two-bedroom unit.

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Duplex with Off-Street Parking

1148-1150 Forest Ave, Portland, ME 04103

$699,000

2,136 sqft

Tenant-occupied duplex in a Multi-Use Commercial zone with basement storage and laundry.

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Duplex with Walk-Up Attic

605 Washington Avenue, Portland, ME 04103

$550,000

2,612 sqft 0.16 AC lot

Two four-bedroom apartments include period details, basement utility space, and off-street parking on a fenced lot.

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Duplex with Separate Utilities

13 Wellington Road, Portland, ME 04103

$725,000

1,808 sqft 0.12 AC lot

Each residence has two bedrooms, one bathroom, and its own utilities, with off-street parking serving the property.

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Townhouse-Style Duplex

5961 59-61 Maggie Ln, Portland, ME 04103

$599,900

1,872 sqft 0.49 AC lot

Two residences offer updated interiors, basement storage, private outdoor space, and paved off-street parking.

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Duplex with Private Courtyard

75 Carleton Street, Portland, ME 04102

$945,000

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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Renovated Duplex with Large Yard

83 Capisic Street, Portland, ME 04102

$895,000

2,432 sqft 0.48 AC lot

Two townhome-style units offer updated interiors, separate living spaces, and public water and sewer service.

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Two-Unit Ranch Duplex

1820 18-20 Dingley Ct, Portland, ME 04103

$685,000

1,864 sqft

Occupied two-unit property with distinct layouts, outdoor space, and a residential setting near schools and city amenities.

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Owner-Occupant Duplex with Deck

24 Rowe Avenue, Portland, ME 04102

$624,999

1,749 sqft 0.13 AC lot

Colonial two-unit home with private entry, off-street parking, updated interiors, and basement storage.

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Renovated Two-Unit Duplex

850 Washington Ave, Portland, ME 04103

$799,000

2,184 sqft 0.50 AC lot

Turnkey two-bedroom units with in-unit laundry, updated systems, detached garage, and ample off-street parking on a large lot.

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Two-Unit Duplex with Fenced Yard

1747 Forest Avenue, Portland, ME 04103

$645,000

1,840 sqft

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

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Duplex with Unfinished Basement

11481150 1148-1150 Forest Ave, Portland, ME 04103

$699,000

2,136 sqft

The two residences have separate electric meters and individual water heaters.

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Two-Unit Duplex for Rehabilitation

15 Russell Street, Portland, ME 04102

$350,000

2,209 sqft 0.06 AC lot

A 1910 wood-frame property has public water and sewer service and no designated parking.

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Duplex with Third-Floor Bonus Space

35 Clinton St, Portland, ME 04103

$749,000

3,210 sqft

The property includes updated kitchen and bath areas, a walk-out basement, and a masonry garage.

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Two-Unit Duplex with Off-Street Parking

526 Washington Avenue, Portland, ME 04103

$480,000

1,866 sqft 0.16 AC lot

The property includes off-street parking and sits near the Roux Institute campus, downtown Portland, and I-295.

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Portland, ME Duplexes Market Trends and Statistics

Explore 50 duplexes for sale in Portland, ME, showcased through 50 active listings on our real estate platform. These investment opportunities span a total of 127,760 square feet of properties for sale, with an estimated market value of $40,405,899.

Sale prices for two-family homes in Portland, ME start at $350,000, averaging $824,610, and reaching up to $1,875,000 — 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
South Portland - 04106	$574K
Portland - 04101	$803.9K

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.

How Realmo verifies these figures

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Portland, ME Duplexes for Sale

9, 13-15 Waverly Street, Portland, ME 04103

381 Deering Avenue, Portland, ME 04103

850 Washington Avenue, Portland, ME 04103

381 Deering Avenue, Portland, ME 04103

1148-1150 Forest Avenue, Portland, ME 04103

77 Carleton Street, Portland, ME 04102

70 Winter Street, Portland, ME 04102

106 Sherman Street, Portland, ME 04101

35 Clinton Street, Portland, ME 04103

18-20 Dingley Court, Portland, ME 04103

1148-1150 Forest Ave, Portland, ME 04103

605 Washington Avenue, Portland, ME 04103

13 Wellington Road, Portland, ME 04103

5961 59-61 Maggie Ln, Portland, ME 04103

75 Carleton Street, Portland, ME 04102

83 Capisic Street, Portland, ME 04102

1820 18-20 Dingley Ct, Portland, ME 04103

24 Rowe Avenue, Portland, ME 04102

850 Washington Ave, Portland, ME 04103

1747 Forest Avenue, Portland, ME 04103

11481150 1148-1150 Forest Ave, Portland, ME 04103

15 Russell Street, Portland, ME 04102

35 Clinton St, Portland, ME 04103

526 Washington Avenue, 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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