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    Strafford County, NH Duplexes for Sale

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    Manchester, NH Berlin, NH Dover, NH Laconia, NH Nashua, NH Portsmouth, NH Keene, NH Gilford, NH
    44 properties
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    Duplex with Three-Story Barn
    Updated: Oct 7
    Duplex with Three-Story Barn

    46 BACK RIVER Road, Dover, NH 03820

    $997,900
    4,556 sqft 0.45 AC lot
    Two residences: a 4‑bedroom, 3‑bathroom main home and an attached 2‑bedroom, 1‑bathroom unit
    4,556‑square‑foot property on 0.45 acres
    Separate three‑story barn with garage space and two upper levels
    The attached unit has separate utilities, a four‑season sunroom, and private patio
    Built in 1790; Colonial architectural style
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    Duplex with Separate One-Bedroom Apartment
    Updated: Oct 14
    Duplex with Separate One-Bedroom Apartment

    50-52 Fisher Street, Dover, NH 03820

    $699,000
    3,450 sqft 0.36 AC lot
    Separate one‑bedroom apartment with private entrance and parking
    3,450 square feet on a 0.36‑acre lot
    Built in 1840 with original doors and hardware, exposed beams, and wood floors
    Updated kitchen with cherry cabinetry, stainless steel appliances, and honed granite countertops
    Finished third floor with skylights; full unfinished basement with workshop space
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    Duplex with Separate Entrances
    Duplex with Separate Entrances

    18 Maple Street, Dover, NH 03820

    $530,000
    1,727 sqft 0.23 AC lot

    The two residences have independent utilities, entrances, and laundry facilities.

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    Two-Unit Duplex
    Two-Unit Duplex

    18 Maple St, Dover, NH 03820

    $530,000
    1,727 sqft

    Separate utilities and entrances serve two distinct residences, with off-street parking and private laundry for each unit.

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    Updated Duplex with River Rights
    Updated Duplex with River Rights

    219 Washington Street, Dover, NH 03820

    $799,999
    2,720 sqft 0.27 AC lot

    Two renovated apartments offer separate utilities, private entrances, individual driveways, and shared riverfront outdoor space.

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    Duplex-Style Ranch with Garage
    Duplex-Style Ranch with Garage

    143 Long Hill Road, Dover, NH 03820

    $574,900
    2,404 sqft 1.00 AC lot

    Flexible lower-level configuration, refreshed interiors, and outdoor space support residential income or extended-living use.

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    Two-Unit Duplex with Detached Garage
    Two-Unit Duplex with Detached Garage

    3 Mt Vernon Street, Dover, NH 03820

    $520,000
    1,421 sqft 0.12 AC lot

    RM-U-zoned duplex with covered porches, private laundry, and off-street parking.

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    Duplex with Separate Utilities
    Duplex with Separate Utilities

    545 & 547 White Mountain Highway, Milton, NH 03851

    $1,099,800
    5,237 sqft

    Two-unit income property with split utilities and easy-maintenance finishes, currently described with an 11.8% cap rate.

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    Colonial Duplex with Patio
    Colonial Duplex with Patio

    9 Franklin Street, Rollinsford, NH 03869

    $525,000
    2,520 sqft 0.14 AC lot

    Two separately configured four-bedroom residences with updated interior features and shared outdoor space.

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    Mixed-Use Building with Apartment
    Mixed-Use Building with Apartment

    80 Chestnut Hill Road, Rochester, NH 03867

    $375,000
    2,254 sqft 0.40 AC lot

    Neighborhood Mixed Use property combines street-facing commercial space with a rented two-bedroom apartment.

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    Duplex with Separate Entrances
    Duplex with Separate Entrances

    18 Maple Street, Dover, NH 03820

    $530,000
    1,727 sqft

    Separate utilities and private entrances serve two distinct units, each with its own laundry setup.

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    Two-Unit Duplex with Separate Meters
    Two-Unit Duplex with Separate Meters

    10 School Street, Rochester, NH 03867

    $499,900
    2,361 sqft 0.09 AC lot

    Updated kitchens, bathrooms, and flooring accompany active leases extending into the coming winter.

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    Two-Unit Duplex with Fenced Yard
    Two-Unit Duplex with Fenced Yard

    9 Lincoln Street, Rochester, NH 03867

    $469,000
    2,576 sqft 0.18 AC lot

    Separate utilities, off-street parking, and storage support the property’s two-unit configuration.

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    Updated Duplex with Garage
    Updated Duplex with Garage

    3 Mt Vernon Street, Dover, NH 03820

    $520,000
    1,421 sqft

    Two occupied units feature private covered porches, in-unit laundry, and separate outdoor space.

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    Duplex with Detached Garage
    Duplex with Detached Garage

    120 Durham Road, Dover, NH 03820

    $749,000
    3,566 sqft 0.71 AC lot

    Two residential units offer separate kitchens, laundry facilities, driveways, and outdoor areas on a level Dover parcel.

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    Duplex With Spacious Units
    Duplex With Spacious Units

    545 White Mountain Highway, Milton, NH 03851

    $399,900
    2,387 sqft 0.20 AC lot

    Two residential units feature separate utilities, hardwood flooring, tiled bathrooms, and generous room layouts.

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    8-Bedroom Duplex
    8-Bedroom Duplex

    9 Franklin St, Rollinsford, NH 03869

    $525,000
    2,520 sqft

    Two spacious four-bedroom units provide a substantial residential configuration with updated interior spaces.

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    Duplex with Attached Barn
    Duplex with Attached Barn

    18 Morton Avenue, Rochester, NH 03867

    $340,000
    1,678 sqft 0.11 AC lot

    Two distinct apartment layouts include a sunroom in the lower unit and shared access to the barn.

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    Multifamily Property with Renovated Baths
    Multifamily Property with Renovated Baths

    28 Fifth St, Dover, NH 03820

    $550,000
    2,610 sqft

    Two-unit residential income property with updated kitchen flooring, private entry, and access to downtown Dover.

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    Three-Level Mixed-Use Property
    Three-Level Mixed-Use Property

    20-22 5Th Street, Dover, NH 03820

    $725,000
    0.23 AC lot

    Flexible three-level layout supports duplex, three-unit, or office configurations with off-street parking and recent building-system updates.

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    Updated Duplex-Style Property
    Updated Duplex-Style Property

    143 Long Hill Rd, Dover, NH 03820

    $574,900
    2,404 sqft

    Flexible residential layout with refreshed interiors, an attached garage, and outdoor space near shopping, dining, and major highways.

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    Two-Unit Duplex with Garage
    Two-Unit Duplex with Garage

    17 Academy Street, Rochester, NH 03867

    $499,000
    2,090 sqft 0.24 AC lot

    R2-zoned property combines flexible living areas with outdoor space and on-site parking.

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    Pizza and Sub Shop with Apartment
    Pizza and Sub Shop with Apartment

    65 Henry Law Avenue, Dover, NH 03820

    $849,900
    3,338 sqft

    First-floor pizza and sub shop features interior seating plus an outdoor deck, with upstairs apartment space included.

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    2-Unit Duplex
    2-Unit Duplex

    161 Blackwater Road, Somersworth, NH 03878

    $349,900
    1,609 sqft 0.53 AC lot

    Both apartments are tenant-occupied, with two bedrooms and one bathroom in each.

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    Strafford County, NH Duplexes Market Trends and Statistics

    Explore 44 duplexes for sale in Strafford County, NH, showcased through 44 active listings on our real estate platform. These investment opportunities span a total of 89,209 square feet of properties for sale, with an estimated market value of $24,701,698.

    Sale prices for two-family homes in Strafford County, NH start at $319,900, averaging $561,402, and reaching up to $1,099,800 — 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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