Kennebec County, ME Duplexes for Sale

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Portland, ME Lewiston, ME Auburn, ME Bangor, ME Augusta, ME Waterville, ME Biddeford, ME Rockland, ME

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Updated: Feb 22

Renovated Two-Unit Duplex

63 Summer Street, Waterville, ME 04901

$225,000

1,838 sqft

Two separate 2‑bedroom, 1‑bath units within a 1,838‑square‑foot duplex
First‑floor unit renovated with updated bathroom and modern kitchen
New stainless‑steel appliances and heat pumps in the renovated unit
New roof and full basement with interior and walk‑out access
Paved off‑street parking on a corner lot

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63 Summer Street, Waterville, ME 04901

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Est. Cap Rate

9.1%
Above avg (5.9%)
Est. NOI

$21K
Annual
Price @ 7% Cap

$293K
Above asking
Property Type

Duplex
Built 1910

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Updated: Jul 15

Updated Duplex with Garage

154 Seaward Mills Road, Vassalboro, ME 04989

$595,000

4,000 sqft 4.64 AC lot

Two‑unit duplex with 4,000 square feet of property space
Set on 4.64 acres in a rural setting
Built in 2002 with a new family room and fresh interior paint in several areas
Newly installed heat pumps provide heating and cooling
Each unit has its own septic system and leach field

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Stone Duplex with In-Law Apartment

16 Davis Point Road, Wayne, ME 04284

$820,000

6,649 sqft 7.51 AC lot

Ranch-style property with a separate guest apartment, extensive storage, outdoor patios, and lake frontage.

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Residential Income Property with Bank Barn

57 Oxford Street, Augusta, ME 04330

$2,757,000

1,753 sqft 7.30 AC lot

Two-unit farmhouse plus a three-story bank barn with concrete-floored basement/garage designed for utility support.

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Updated Two-Unit Duplex

154 Seaward Mills Rd, Vassalboro, ME 04989

$595,000

4,000 sqft

Two residential units feature individual septic systems, a garage, paved driveway, and recent interior improvements.

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Duplex with Bank Barn Conversion Potential

57 Oxford Street, Augusta, ME 04330

$2,757,000

2,752 sqft 7.30 AC lot

Residential rental duplex on public water and public sewer with substantial developable land and an on-site bank barn structure.

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Victorian Duplex

9 - 11 Summer Street, Hallowell, ME 04347

$690,000

3,620 sqft 0.60 AC lot

Two residential units feature private entrances, porches, and separately metered building systems.

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Medical Office Building with Apartments

166 Silver Street, Waterville, ME 04901

$374,900

4,664 sqft 0.23 AC lot

Well-maintained medical office with upstairs apartments and private deck, plus ample onsite parking.

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Three-Story Bank Barn Redevelopment

57 Oxford Street, Augusta, ME 04330

$2,757,000

1,753 sqft

Three-story framed bank barn over full basement/garage with concrete floor, plus existing two-unit farmhouse rental.

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Mixed-Use Bar and Restaurant Building

45 Water Street, Waterville, ME 04901

$175,000

13,793 sqft 0.24 AC lot

Downtown mixed-use building with ground-floor commercial space and two apartment units above, zoned CC.

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Two-Unit Multifamily Property

1 Mount Pleasant Street, Waterville, ME 04901

$299,900

2,031 sqft 0.37 AC lot

Duplex with distinct residential units, public utilities, and a basement for additional property function.

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Two-Unit Duplex

1 Mount Pleasant St, Waterville, ME 04901

$299,900

2,031 sqft

Two residential units offer distinct one- to two-bedroom layouts, each with one bathroom.

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Two-Unit Colonial Duplex with Walk-Out Basement

121 Clinton Avenue, Winslow, ME 04901

$349,000

2,352 sqft 0.24 AC lot

Two-unit Colonial duplex on 0.24-acre lot with public water and sewer, deck, and daylight walk-out basement.

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Cape Cod Duplex With Porch

2 Central Avenue, Waterville, ME 04901

$270,000

1,847 sqft 0.21 AC lot

Cape Cod duplex on a 0.21-acre lot with a porch, off-street parking, and RB zoning with public water and sewer.

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Updated Three-Bedroom Duplex

31 High St, Waterville, ME 04901

$249,900

2,628 sqft

Each residence includes a kitchen, living room, and full bathroom, with additional features in both units.

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Two-Unit Ranch Duplex

1015 Watson Pond Road, Rome, ME 04963

$359,000

1,945 sqft 2.50 AC lot

Rural two-unit property with separate living arrangements, outdoor space, and accessibility features near regional recreation.

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Two-Unit Duplex with In-Law Apartment

6 High Street, Waterville, ME 04901

$325,000

1,815 sqft 0.20 AC lot

Separate living quarters offer flexibility for rental use, household privacy, or additional guest accommodation.

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Two-Unit Duplex with Updated Systems

9 Morton Pl, Augusta, ME 04330

$299,000

2,100 sqft

One apartment is vacant, while the other has long-standing tenants and management is already in place.

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Tenant-Occupied Duplex with Porch

36 King Street, Waterville, ME 04901

$305,000

2,411 sqft 0.18 AC lot

Two-unit Cape Cod offering separate living spaces, private access options, and a full unfinished basement.

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Duplex with Spacious Backyard

27 Windsor St, Randolph, ME 04346

$199,000

1,672 sqft

Two-unit property with parking, outdoor space, and prior Airbnb use in the downtown area.

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Two-Unit Duplex with Office Space

11 Church Street, Oakland, ME 04963

$299,900

2,600 sqft 0.07 AC lot

Separate utilities, public services, and supplemental office area support flexible residential use.

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Victorian Duplex with Period Details

911 9-11 Summer St, Hallowell, ME 04347

$795,000

3,600 sqft

Two separate residences combine historic character with updated kitchens and baths.

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Duplex with Heat Pumps

22 Ash Street, Waterville, ME 04901

$295,000

2,395 sqft 0.13 AC lot

Two-bedroom-per-unit duplex in RC zoning with in-unit washer/dryers, heat pumps, and off-street parking.

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Two-Unit Colonial Duplex

9 Morton Place, Augusta, ME 04330

$289,000

2,100 sqft 0.10 AC lot

Wood-frame income property with updated mechanical systems, a porch, and public water and sewer service.

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Kennebec County, ME Duplexes Market Trends and Statistics

Explore 54 duplexes for sale in Kennebec County, ME, showcased through 54 active listings on our real estate platform. These investment opportunities span a total of 137,218 square feet of properties for sale, with an estimated market value of $23,032,800.

Sale prices for duplexes in Kennebec County, ME start at $161,000, averaging $479,850, and reaching up to $2,757,000 — 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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