Strafford County, NH Duplexes for Sale

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Manchester, NH Berlin, NH Laconia, NH Nashua, NH Keene, NH Portsmouth, NH Dover, NH Rochester, NH

30 properties

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Updated: Aug 24

Duplex-Style Ranch with Garage

143 Long Hill Road, Dover, NH 03820

$595,000

2,404 sqft 1.00 AC lot

2,404 SF ranch‑style property on 1 acre
Duplex‑style layout with lower‑level extended‑living flexibility
Two updated bathrooms, fresh paint, and new flooring
Attached garage with direct entry plus driveway parking
Three‑season room, covered porch, shed, and backyard

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Updated: Jul 23

Two-Unit Duplex with Off-Street Parking

48 New York Street, Dover, NH 03820

$549,000

1,820 sqft 0.06 AC lot

Two‑unit duplex with 1,820 square feet of building area
Each unit has 2 bedrooms, 1 full bathroom, and a bonus room
Both units are currently occupied
Off‑street parking for two vehicles
0.06‑acre lot with a basement

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Eight-Bedroom Duplex

9 Franklin Street, Rollinsford, NH 03869

$599,900

2,520 sqft 0.14 AC lot

Two four-bedroom units provide substantial residential space within a classic Colonial-style property.

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See what stands out in Strafford County

We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

We check every listing here. A few are worth a second look.

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NOI available after sign in

Local Demand available after sign in

New Two-Family Residential Property

300 Middleton Road, Milton, NH 03851

$525,000

2,128 sqft 6.54 AC lot

Well-maintained two-family home built three years ago with efficient mini-split heating and cooling and vinyl plank flooring.

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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 Detached Garage

120 Durham Road, Dover, NH 03820

$779,000

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

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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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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Duplex with In-Ground Pool

125 Blackwater Road, Rochester, NH 03867

$429,000

1,504 sqft 0.46 AC lot

Two-unit ranch property with one occupied residence, a vacant upgraded unit, and private outdoor recreation space.

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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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Fully Occupied Duplex

48 New York Street, Dover, NH 03820

$549,000

1,820 sqft

Two residential units offer matching layouts, bonus rooms, tenant-paid utilities, and off-street parking.

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Two-Unit Duplex with Garage

41 Union Street, Somersworth, NH 03878

$369,900

2,022 sqft 0.16 AC lot

R3-zoned residential property with separate utilities and flexible owner-occupancy or rental use.

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Duplex Property with Mixed-Use Building

18 & 20 Wakefield Street, Rochester, NH 03867

$400,000

1,300 sqft 0.07 AC lot

Two Wakefield Street buildings offer residential units, a mixed-use configuration, and substantial rehabilitation needs.

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Updated Duplex-Style Property

143 Long Hill Rd, Dover, NH 03820

$595,000

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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Duplex With Enclosed Porch

28 Fifth Street, Dover, NH 03820

$550,000

2,610 sqft 0.04 AC lot

Two-unit property with separate entrances, a spacious kitchen, renovated bathrooms, and a mix of hardwood and vinyl flooring.

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Single-Level Duplex with Parking

161 Blackwater Road, Somersworth, NH 03878

$379,900

1,609 sqft 0.53 AC lot

Two leased units each provide two bedrooms and one bathroom in a compact residential configuration.

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Duplex with Detached Two-Car Garage

120 Durham Road, Dover, NH 03820

$779,000

3,566 sqft

Two-unit duplex features separate driveways and private access, supported by in-unit laundry and a detached two-car garage.

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Two-Family Residential Income Property

125 Blackwater Road, Rochester, NH 03867

$429,000

1,504 sqft

A well-maintained two-unit home with one occupied 1-bedroom unit and one move-in-ready 2-bedroom unit.

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Duplex with Fenced Yard

53-53a Chestnut St, Rochester, NH 03867

$419,900

2,053 sqft

Each residence offers a two-bedroom, one-bath layout with separate utilities and shared outdoor amenities.

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Duplex with Separate Utilities

545 White Mountain Highway, Milton, NH 03851

$399,900

2,387 sqft

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

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Spacious Two-Family Property

17 Academy Street, Rochester, NH 03867

$499,000

2,090 sqft

Well-maintained two-family property with rental income potential.

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Two-Unit Apartment Building For Sale

2 Barker Court, Rochester, NH 03867

$400,000

1,300 sqft

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

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Updated Duplex with Investment Potential

35 Green ST, Somersworth, NH 03878

$485,000

2,324 sqft 0.22 AC lot

Clean, updated duplex with strong income potential in convenient location.

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Side-by-Side Duplex

8 Patricia St, Somersworth, NH 03878

$500,000

2,220 sqft

Two occupied units offer separate heating, private driveways, and individual basement space.

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Strafford County, NH Duplexes Market Trends and Statistics

Explore 30 duplexes for sale in Strafford County, NH, showcased through 30 active listings on our real estate platform. These investment opportunities span a total of 55,231 square feet of properties for sale, with an estimated market value of $14,716,300.

Sale prices for duplexes in Strafford County, NH start at $340,000, averaging $507,458, and reaching up to $950,000 — 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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