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    Strafford County, NH Duplexes for Sale

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    Manchester, NH Berlin, NH Nashua, NH
    29 results
    Two-Family Duplex with Deck Space
    $559,000
    2,438 SF
    Two-Family Duplex with Deck Space

    2 Lee Street, Somersworth, NH 03878

    Two-unit duplex with updated interiors, private upstairs entrance, and an additional barn-style space for flexible use.
    • 2‑family home with two separate units and privacy features, plus an additional barn‑style space with potential for a studio, office, or workshop
    • Downstairs unit includes a well‑appointed kitchen and an open, light‑filled floor plan
    • Upstairs unit has a private entrance, 2 bedrooms, spacious closets, a bonus room, and in‑unit washer and dryer
    • Upstairs also includes a second‑story deck and two additional rooms for office, yoga, or other uses
    • Year built 1905; wood frame with wood exterior and shingle roof
    Updated: Jun 3
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    Two-Unit Residential Duplex
    $525,000
    2,090 SF
    Two-Unit Residential Duplex

    17 Academy Street, Rochester, NH 03867

    Well-maintained duplex with private deck, 3-season room, and separate 1-bedroom and 3-bedroom units.
    • 2‑family property built in 1906 with wood frame and vinyl siding exterior
    • Main unit: 3 bedrooms and 2 full bathrooms with a bright 3‑season room and additional bonus room
    • Second unit: 1 bedroom and 1 bathroom
    • Heating: forced air with natural gas
    • Utilities include propane; water source is public
    Updated: May 6
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    Updated Duplex with Semi-Fenced Yard
    $589,900
    2,062 SF
    Updated Duplex with Semi-Fenced Yard

    Well-maintained duplex with tenant-paid heat and hot water plus laundry in both units.

    81 Stark Avenue, Dover, NH 03820

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    Duplex with Separate Utilities
    $425,000
    2,387 SF
    Duplex with Separate Utilities

    Duplex with separate utilities and finishes including hardwood floors and tiled bathrooms in downtown Milton.

    545 White Mountain Highway, Milton, NH 03851

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    Clean Duplex with Updated Interiors
    $485,000
    2,324 SF
    Clean Duplex with Updated Interiors

    Two 3-bedroom units with updated kitchens and remodeled baths, separate utilities, and in-unit washer/dryers.

    35 Green Street, Somersworth, NH 03878

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    Centrally Located Multifamily Duplex
    $614,000
    2,610 SF
    Centrally Located Multifamily Duplex

    Two-unit multifamily with private entrance and a mix of bedroom sizes, including a fully leased seven-bedroom unit.

    28 Fifth Street, Dover, NH 03820

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    Two-Unit Duplex
    $399,900
    1,609 SF
    Two-Unit Duplex

    Single-level duplex on 0.53 acres with two occupied 2-bedroom units, each with dedicated parking.

    161 Blackwater Road, Somersworth, NH 03878

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    Two-Unit Duplex with In-Ground Pool
    $429,000
    1,504 SF
    Two-Unit Duplex with In-Ground Pool

    Well-maintained two-family home with one occupied 1-bedroom and one move-in-ready 2-bedroom unit, plus in-ground pool.

    125 Blackwater Road, Rochester, NH 03867

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    Two-Family Residential Income Property
    $474,000
    3,363 SF
    Two-Family Residential Income Property

    Two-unit Dover property with off-street parking and a renovation-required condition for investors and contractors.

    7-9 Durrell Street, Dover, NH 03820

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    Townhouse-Style Duplex With Two 2BR Units
    $549,000
    1,572 SF
    Townhouse-Style Duplex With Two 2BR Units

    Two 2BR/1BA townhouse-style units with updated flooring and kitchen space near historic downtown Dover.

    33-35 St Thomas, Dover, NH 03820

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    Two-Unit Townhouse Duplex
    $389,899
    1,840 SF
    Two-Unit Townhouse Duplex

    Duplex with two townhouse-style units, each offering two bedrooms, with one unit needing work and becoming vacant.

    17-19 Upham Street, Rochester, NH 03867

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    Historic Multifamily Building with Two Units
    $565,000
    2,840 SF
    Historic Multifamily Building with Two Units

    Two fully-leased units in a historic building, offering income-focused residential ownership under RM-U zoning.

    39 New York Street, Dover, NH 03820

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    Two-Family Waterfront Home
    $1,795,000
    1,760 SF
    Two-Family Waterfront Home

    Newer two-unit waterfront residence with in-unit laundry, oversized garage, and flexible occupancy for an owner or investor.

    25 South Mill Street, Portsmouth, NH 03801

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    Single-Level Duplex Income Property
    $399,900
    3,106 SF
    Single-Level Duplex Income Property

    Single-level duplex with two occupied 2-bedroom units, recent hot water heaters, and ample parking.

    161 Blackwater Road, Somersworth, NH 3878

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    Two-Unit Apartment Building
    $450,000
    1,300 SF
    Two-Unit Apartment Building

    Two-unit apartment building offered for sale, with tenant occupancy and limited showing availability based on access.

    2 Barker Court, Rochester, NH 03867

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    Renovated Two-Unit Property in Dover
    $625,000
    Renovated Two-Unit Property in Dover

    Fully renovated two-unit property near hospital, schools, and shopping.

    9 Lowell Ave, Dover, NH 3820

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    Dover Two-Unit Income Property
    $580,000
    Dover Two-Unit Income Property

    Well-maintained two-unit property with income potential in downtown Dover.

    43 Sixth St Unit A and B, Dover, NH 3820

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    Two-Unit Duplex with Private Entrances
    $525,000
    3,156 SF
    Two-Unit Duplex with Private Entrances

    Owner-occupy duplex with private drives, backyards, and updated interiors on both sides for flexible rental income.

    484 Silver Street, Rollinsford, NH 3869

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    Two-Unit Townhouses Near Downtown
    $399,900
    Two-Unit Townhouses Near Downtown

    Duplex with two townhouse-style units, great investment opportunity.

    17-19 Upham St, Rochester, NH 3867

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    Updated Duplex with Private Backyard
    $589,900
    2,549 SF
    Updated Duplex with Private Backyard

    Well-maintained duplex with updated interiors, both units with laundry, and tenant-paid heat and hot water for lower operating costs.

    81 Stark Avenue, Dover, NH 3820

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    Two-Unit Ranch on 1.5 Acres
    $399,900
    1,737 SF
    Two-Unit Ranch on 1.5 Acres

    Two-unit ranch property on 1.5 acres, needs rehabilitation.

    773 Salmon Falls Road, Rochester, NH 3868

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    Somersworth Duplex with Large Backyard
    $399,000
    Somersworth Duplex with Large Backyard

    Two-unit duplex with large backyard in Somersworth, NH.

    21 Hanson St, Somersworth, NH 3878

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    Two-Unit Apartment Building For Sale
    $450,000
    Two-Unit Apartment Building For Sale

    Two-unit apartment building, tenant occupied, in walkable Rochester, NH.

    2 Barker Ct, Rochester, NH 3867

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    Waterfront Two-Family Home
    $1,795,000
    Waterfront Two-Family Home

    Newer construction two-family home in premier waterfront location.

    25 South Mill St, Portsmouth, NH 3801

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    Strafford County, NH Duplexes Investment Opportunities Market Analysis

    Explore 29 duplexes for sale in Strafford County, NH, showcased through 29 active listings on our real estate platform. These investment opportunities span a total of 24,580 square feet of properties for sale, with an estimated market value of $7,107,600.

    Sale prices for duplexes in Strafford County, NH start at $375,000, averaging $592,300, and reaching up to $1,795,000 — 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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