Portsmouth, NH
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    Portsmouth, NH Duplexes for Sale

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    Rye, NH Greenland, NH North Hampton, NH
    Renovated Duplex with Garage Parking
    $1,485,000
    3,171 SF
    Renovated Duplex with Garage Parking

    978-980 South Street, Portsmouth, NH 03801

    Well-maintained two-unit property with a renovated three-bedroom owner unit, garage parking, and extensive exterior improvements.
    • Multi‑unit property at 978/980 South Street in Portsmouth’s Little Harbor neighborhood (built in 1910).
    • Owner’s unit has 3 bedrooms and 2 bathrooms with three levels of living space.
    • Property includes 7 total bedrooms and 4 bathrooms across the units/rooms listed.
    • Exterior features include garden space and a patio; clapboard exterior and shingle roof.
    • Heating is hot water; public water and public sewer available; cable available.
    Updated: Jun 5
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    Renovated Duplex with Garage Parking
    $1,485,000
    Renovated Duplex with Garage Parking

    978-980 South St, Portsmouth, NH 3801

    Well-maintained duplex offering a renovated owner’s unit, garage parking, and landscaped outdoor grounds.
    • Well‑maintained 1910 multi‑unit property in Portsmouth’s Little Harbor neighborhood
    • Owner’s unit renovated with 3 bedrooms, 2 bathrooms, and three levels of living space
    • Practical layout with garage parking and abundant storage
    • Landscaped outdoor grounds with extensive gardens
    • BikeScore 59 (bikeable) and walkScore 67 (somewhat walkable)
    Updated: Jun 16
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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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    Portsmouth Duplex on Corner Lot
    $849,000
    0.96 Acres
    Portsmouth Duplex on Corner Lot

    Updated duplex in Portsmouth, ideal for investors or owner-occupants.

    184 Echo Ave, Portsmouth, NH 3801

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    Based on your search, we've compiled 8 Potential Opportunities for your consideration. Besides 4 Active listings in Portsmouth, NH, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Historic Multifamily Colonial
    $749,000
    2,750 SF
    Historic Multifamily Colonial

    A charming Colonial with an in-law apartment and residential/commercial zoning, offering flexible income and usage options.

    34 York Street, York, ME 03909

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    Mixed-Use Building with Storefront
    $2,995,000
    5,501 SF
    Mixed-Use Building with Storefront

    Shingle-style mixed-use building with storefront retail spaces and renovated residence with private off-street parking.

    439 York Street, York, ME 03911

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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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    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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    Portsmouth, NH Duplexes Market Trends and Statistics

    Explore 4 duplexes for sale in Portsmouth, NH, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 3,171 square feet of properties for sale, with an estimated market value of $1,485,000.

    Sale prices for duplexes in Portsmouth, NH start at $1,485,000, averaging $1,485,000, and reaching up to $1,485,000 — 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Apartment buildings 6
    Duplexes 4
    Quadplexes 2
    Triplexes 1

    Demographics Overview

    Population 23K
    Population Growth (5Y) +2.9%
    Median Household Income $106,520
    College Educated 17.1%

    High-Yield Neighborhoods for Investment

    Identify Portsmouth submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    03801 $2M

    Taxes & Financing

    Tax Rate (average for all types) 1.49%
    Property Tax per SF $10.47 per SF
    Tax Rate vs County Average 0.23 pp below county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Rockingham County

    New Delisted

    Total CRE Inventory on Market (SF)

    Property Size Breakdown

    The majority of commercial real estate listings in Portsmouth fall within the 100,000+ square foot range.

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