Advertise
    Portsmouth, NH
    Duplex

    Portsmouth, NH Duplexes for Sale

    Notify Me
    List
    Map
    Rye, NH Greenland, NH Hampton, NH North Hampton, NH Stratham, NH Kittery, ME Newington, NH Eliot, ME
    Updated Duplex with Studio
    Updated: Aug 21
    Updated Duplex with Studio

    491 Marcy St, Portsmouth, NH 03801

    $1,325,000
    1,800 sqft
    Legal two‑unit property at 491 Marcy St, Portsmouth, NH 03801
    1,800 SF residential property built in 1750
    Flexible layout: single‑family home, side‑by‑side duplex, or home with 2‑room studio apartment
    2025 exterior renovations include new roof, four skylights, windows, siding, and blown‑in insulation
    Studio has a private entrance, private sauna, and separate patio
    View details
    Well-Maintained Two-Unit Duplex
    Updated: Jun 7
    Well-Maintained Two-Unit Duplex

    648 Kearsarge Way, Portsmouth, NH 03801

    $859,900
    684 sqft
    Well‑maintained duplex built in 1917 in Portsmouth’s Atlantic Heights neighborhood
    Two units, each with 2 bedrooms and 1 bathroom
    Main systems updated within the last 5 years
    Interior updates include wood floors, fresh paint, and updated kitchen countertops
    Located minutes from historic downtown Portsmouth, Portsmouth Naval Shipyard, shopping, restaurants, schools, and major commuter routes
    View details
    Updated Duplex with Vacant Units
    Updated Duplex with Vacant Units

    184 Echo Ave, Portsmouth, NH 03081

    $950,000
    2,240 sqft

    Two refreshed residences provide immediate occupancy flexibility for investors or owner-occupants.

    View details
    Realmo Analytics Monitor Off-market properties and contact owners who are ready to sell. Many signals applied to make quality leads for you. Get Leads
    3 active listings match your search: Duplex for sale in Portsmouth, NH. Based on your search, we've also compiled 4 Potential Opportunities for your consideration: 4 properties in nearby cities.

    Opportunities in Nearby Cities

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

    Duplex with Detached Barn
    Duplex with Detached Barn

    859 Goodwin Road, Eliot, ME 03903

    $575,000
    2,364 sqft 0.83 AC lot

    A ranch-style residence pairs a town-recognized apartment with garage and barn space for storage or work use.

    View details
    Historic Duplex with In-Law Apartment
    Historic Duplex with In-Law Apartment

    88 York Street, York, ME 03909

    $1,095,000
    3,001 sqft 0.32 AC lot

    1880 residence with a separate two-bedroom apartment, central air, heated garage, and landscaped outdoor areas.

    View details
    Historic Duplex with Attached Apartment
    Historic Duplex with Attached Apartment

    88 York Street, York, ME 03909

    $1,095,000
    3,001 sqft

    A separate apartment, attached garage, and central air complement the primary residence.

    View details
    Duplex with Private Deck
    Duplex with Private Deck

    15 Cedar Road, Eliot, ME 03903

    $725,000
    3,246 sqft

    Two residences offer distinct layouts, including a four-bedroom, two-bath home and a separate two-bedroom, one-bath unit.

    View details

    Portsmouth, NH Duplexes Market Trends and Statistics

    Explore 3 duplexes for sale in Portsmouth, NH, showcased through 3 active listings on our real estate platform. These investment opportunities span a total of 4,724 square feet of properties for sale, with an estimated market value of $3,134,900.

    Sale prices for two-family homes in Portsmouth, NH start at $859,900, averaging $1,044,966, and reaching up to $1,325,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

    List
    Map

    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Duplexes 3
    Triplexes 3
    Apartment buildings 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 $1.1M

    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.

    How Realmo verifies these figures

    Need Help?

    Reach out if you need assistance with Realmo tools or have questions about your listings

    Contact Us

    Browse Duplexes for Sale Near Portsmouth, NH

    Popular Searches in Portsmouth, NH

    Popular Categories

    Most Searched ZIP Codes in Portsmouth, NH

    • 03801
    • 03081

    Featured Portsmouth Real Estate Agencies

    Realmo connects you with licensed Portsmouth CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    keller williams coastal realty
    750 Lafayette Road, Suite 201 Portsmouth, NH 03801
    Phone: (603) 610-8500
    Samonas Realty LLC
    111 Bow Street Portsmouth, NH 03801
    Phone: (603) 319-8100
    samonasgroup.com
    The Aland Realty Group, LLC
    175 Market Street Portsmouth, NH 03801
    Phone: (207) 251-4762
    www.alandrealty.com
    Why this one?
    Saved

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!