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    Coos County, NH Duplexes for Sale

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    Manchester, NH Berlin, NH Nashua, NH Rochester, NH Dover, NH Laconia, NH Concord, NH Claremont, NH
    28 properties
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    Two-Unit Residential Income Property
    Updated: Jun 10
    Two-Unit Residential Income Property

    78 7Th Street, Berlin, NH 03570

    $188,900
    1,380 sqft 0.31 AC lot
    Two‑unit property built in 1937 with wood siding and shingle roof
    First‑floor unit is currently vacant, offering an owner‑occupied option with rental income from the second‑floor apartment
    Each one‑bedroom unit includes an enclosed porch for additional living space
    Large yard plus an oversized driveway with plenty of parking for tenants and guests
    Rinnai heating system is about 6 years old
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    Two-Unit Residential Income Property
    Updated: May 28
    Two-Unit Residential Income Property

    424 Forbush Avenue, Berlin, NH 03570

    $130,000
    1,463 sqft 0.23 AC lot
    2‑unit property currently set up with a 3‑bedroom first‑floor unit and a 1‑bedroom second‑floor unit
    Year built: 1922 with wood frame construction and vinyl siding
    First‑floor unit includes first‑floor laundry and a spacious living room
    Large yard with front porch and an above‑ground pool that has not been opened in many years
    Garage plus two driveways for additional storage and parking
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    Two-Family Residential with Conversion Potential
    Two-Family Residential with Conversion Potential

    59 Depot Street, Lancaster, NH 03584

    $169,000
    2,379 sqft 0.25 AC lot

    Two-story two-family home with partial improvements and a scheduled first-floor vacancy on August 1, 2026.

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    Two-Family Residence with Renovation
    Two-Family Residence with Renovation

    59 Depot Street, Lancaster, NH 03584

    $179,000
    3,705 sqft

    Two-story duplex with partial improvements and scheduled first-floor vacancy, offering a path to finish or reconfigure.

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    Single-Family with In-Law Apartment
    Single-Family with In-Law Apartment

    265 Norway Street, Berlin, NH 03570

    $239,000
    1,590 sqft 0.23 AC lot

    Remodeled in-law apartment and hardwood floors in the main home create flexible living with 3 bedrooms and 2 full bathrooms.

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    New Construction Two-Unit Duplex
    New Construction Two-Unit Duplex

    64 Evans Street, Gorham, NH 03581

    $629,000
    3,000 sqft 0.34 AC lot

    Newly built duplex configured as two units, with central air and a large 30x40 garage on a small lot.

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    Two-Unit Residential Income Duplex
    Two-Unit Residential Income Duplex

    16 Pine Street, Gorham, NH 03581

    $335,000
    3,276 sqft 0.12 AC lot

    Owner-occupied two-unit duplex with updated kitchen and bath on the first floor, plus a vacant second-floor apartment.

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    Two-Unit Residential Income Duplex
    Two-Unit Residential Income Duplex

    424 Forbush Avenue, Berlin, NH 03570

    $130,000
    2,303 sqft

    Duplex with a 3-bedroom and 1-bedroom layout, plus yard, porch, garage, and two driveways for flexible living or rental.

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    Turnkey Furnished Two-Family Home
    Turnkey Furnished Two-Family Home

    250 E Mason Street, Berlin, NH 03570

    $219,900
    2,096 sqft 0.11 AC lot

    Well-maintained two-family residence with smart home controls, detached 2-car garage, and private deck.

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    Two-Unit Residential Income Property
    Two-Unit Residential Income Property

    723 Second Avenue, Berlin, NH 03570

    $139,000
    2,440 sqft 0.16 AC lot

    Spacious two-unit duplex sold as-is, suitable for cash buyers or rehab loans only.

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    New Construction Duplex with 30x40 Garage
    New Construction Duplex with 30x40 Garage

    64 Evans Street, Gorham, NH 03581

    $629,000
    3,000 sqft

    Brand-new duplex configured as two units, featuring central air and a large 30x40 garage for flexible use.

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    Two-Unit Income Duplex
    Two-Unit Income Duplex

    768 Third Avenue, Berlin, NH 03570

    $214,500
    2,680 sqft 0.23 AC lot

    Two-bedroom units with off-street parking, storage, and basement space suited for owner-occupants or rental investors.

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    Two-Family Building with Trail Access
    Two-Family Building with Trail Access

    520 Champlain Street, Berlin, NH 03570

    $134,900
    1,844 sqft 0.11 AC lot

    Two rental units with long-term tenants, conveniently located with direct ATV and snowmachine trail access.

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    Two-Family Residential Property
    Two-Family Residential Property

    59 Depot Street, Lancaster, NH 03584

    $169,000
    2,379 sqft

    Two-story property configured as a spacious two-family home, awaiting completion, with an August 1, 2026 tenant scheduled to vacate.

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    Single-Family Home with Two-Unit Potential
    Single-Family Home with Two-Unit Potential

    534 Champlain Street, Berlin, NH 03570

    $295,000
    3,052 sqft 0.33 AC lot

    Home-based business setup with heated garage bays, separate driveways, and space that can be reconfigured into two units.

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    Two-Unit Residential Income Property
    Two-Unit Residential Income Property

    531 hillsboro Street, Berlin, NH 03570

    $121,000
    1,532 sqft 0.11 AC lot

    Two 2-bedroom units with washer/dryer hookups, off-street parking, and private yard space.

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    Mixed-Use Retail and Apartments
    Mixed-Use Retail and Apartments

    10-14 Exchange Street, Gorham, NH 03581

    $399,500
    2,318 sqft

    Two street-level storefronts and two apartments above, plus an additional rear ground-level space and off-street parking.

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    Two-Unit Wood-Frame Duplex
    Two-Unit Wood-Frame Duplex

    305 coos Street, Berlin, NH 03570

    $184,000
    1,748 sqft 0.11 AC lot

    Two-unit duplex with separate utilities, walkout basement storage, and recent siding, insulation, and window updates.

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    Mixed-Use Property in Downtown Colebrook
    Mixed-Use Property in Downtown Colebrook

    106 Main St, Colebrook, NH 03576

    $214,900
    0.14 AC lot

    Three-unit mixed-use property with commercial and residential spaces.

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

    20 Success Street, Berlin, NH 03570

    $75,000
    2,762 sqft 0.15 AC lot

    Two-unit duplex with a corner-lot 2-car garage and storage above; rehabilitation is needed.

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    Two-Family Home on Large Lot
    Two-Family Home on Large Lot

    116 Sessions ST, Berlin, NH 03570

    $160,000
    2,016 sqft 0.24 AC lot

    Two-unit property with ample parking and yard space.

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    New Gorham Home with Garage
    New Gorham Home with Garage

    64 Evans St, Gorham, NH 03581

    $679,000

    Recently built duplex with large garage in desirable location.

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    Two-Unit Residential Income Duplex
    Two-Unit Residential Income Duplex

    78 7Th St, Berlin, NH 03570

    $188,900

    Two one-bedroom units with enclosed porches, a large yard, and updated heating and hot water systems.

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    Two-Unit Residential Income Property
    Two-Unit Residential Income Property

    723 Second Avenue, Berlin, NH 03570

    $139,000

    Spacious 2-unit residential income property near downtown Berlin, sold as-is for cash buyers or rehab loans only.

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    Coos County, NH Duplexes Market Trends and Statistics

    Explore 28 duplexes for sale in Coos County, NH, showcased through 28 active listings on our real estate platform. These investment opportunities span a total of 46,484 square feet of properties for sale, with an estimated market value of $4,266,100.

    Sale prices for duplexes in Coos County, NH start at $75,000, averaging $213,305, and reaching up to $629,000 — 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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