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    Portsmouth, NH Multifamily Properties for Sale

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    Rye, NH Greenland, NH Hampton, NH North Hampton, NH Stratham, NH Kittery, ME Newington, NH Eliot, ME
    9 properties
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    Mixed-Use Property with Detached Commercial Space
    Updated: Oct 7
    Mixed-Use Property with Detached Commercial Space

    92 Cass Street, Portsmouth, NH 03801

    $1,225,000
    3,017 sqft 0.09 AC lot
    Five residential apartments plus a detached commercial building
    Detached commercial space measures approximately 520 square feet and is occupied by a pet‑grooming business
    3,017 square feet on a 0.09‑acre parcel
    CD4‑L2 zoning; listing states the district permits 5–8 units
    Off‑street parking and shared outdoor areas
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    Historic Multifamily Property
    Updated: Jun 17
    Historic Multifamily Property

    53 Austin Street, Portsmouth, NH 03801

    $3,600,000
    7,648 sqft 0.40 AC lot
    1801 Federal‑style multifamily property at 53 Austin Street, Portsmouth, NH 03801
    Main residence contains 7,648 square feet, six bedrooms, and six renovated bathrooms
    Three additional apartments: two one‑bedroom units and one two‑bedroom unit
    0.4‑acre property with garage, driveway, open parking, and storage
    GRC zoning and an existing inn license, with hospitality use subject to approvals
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    Three-Unit Triplex with Carriage House
    Three-Unit Triplex with Carriage House

    383 Miller Avenue, Portsmouth, NH 03801

    $1,595,000
    2,964 sqft 0.26 AC lot

    Three residences include a two-unit main building and a separate carriage house with loft space.

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    See hot listings in Portsmouth

    Scored against comparables nationwide. These are worth a look.

    Scored against comparables nationwide. These are worth a look.

    Cap Rate available after sign in
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    Local Demand available after sign in
    Updated Duplex with Studio
    Updated Duplex with Studio

    491 Marcy St, Portsmouth, NH 03801

    $1,325,000
    1,800 sqft

    Historic two-unit property with flexible living arrangements, private outdoor areas, and a separate-entry studio apartment.

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    Triplex with Off-Street Parking
    Triplex with Off-Street Parking

    197 Richards Avenue, Portsmouth, NH 03801

    $1,350,000
    2,405 sqft 0.24 AC lot

    Three-unit residential property near downtown Portsmouth with individual laundry and rear parking.

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    Well-Maintained Two-Unit Duplex
    Well-Maintained Two-Unit Duplex

    648 Kearsarge Way, Portsmouth, NH 03801

    $859,900
    684 sqft

    Duplex features two two-bedroom, one-bath units with recent updates to key systems and interior finishes.

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    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
    Updated Duplex with Vacant Units
    Updated Duplex with Vacant Units

    184 Echo Ave, Portsmouth, NH 03081

    $970,000
    2,240 sqft

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

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    Three-Unit Multifamily Property
    Three-Unit Multifamily Property

    383 Miller Avenue, Portsmouth, NH 03801

    $1,595,000
    2,964 sqft

    Two residences are housed in the main building, with a separate carriage house providing the third unit.

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    Triplex with In-Unit Laundry
    Triplex with In-Unit Laundry

    197 Richards Ave, Portsmouth, NH 03801

    $1,350,000
    2,405 sqft

    Three residential units include private washers and dryers, with off-street parking behind the building.

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    Based on your search, we've compiled 15 Potential Opportunities for your consideration. Besides 9 Active listings in Portsmouth, NH, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 2 Off-Market properties to explore as potential leads

    Opportunities in Nearby Cities

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

    Waterfront Triplex Property
    Waterfront Triplex Property

    8-10 Bayview Lane, Kittery, ME 03904

    $1,200,000
    4,120 sqft 2.70 AC lot

    Three residential units across two buildings with public water, sewer, and a fenced garage structure along Spinney Creek.

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    Duplex with Detached Barn
    Duplex with Detached Barn

    859 Goodwin Road, Eliot, ME 03903

    $635,000
    2,364 sqft 0.83 AC lot

    The lower-level apartment has its own entrance, kitchen and living area, bedroom, bath, office and den.

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    Two-Building Residential Income Property
    Two-Building Residential Income Property

    8-10 Bayview Lane, Kittery, ME 03904

    $1,200,000
    4,120 sqft 2.70 AC lot

    Two separate buildings include a 1920 duplex plus a 1999 garage structure with an apartment, all with public water and sewer.

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    Multifamily Property with Detached Barn
    Multifamily Property with Detached Barn

    859 Goodwin Rd, Eliot, ME 03903

    $635,000
    2,364 sqft

    A finished lower level with its own entrance adds flexible space alongside the main-level residence.

    View details

    Off-Market Properties in Portsmouth, NH

    Consider similar Off-Market properties in Portsmouth, NH. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    89 Brewery Ln
    BOARDING/ROOMING HOUSE

    89 Brewery Ln, Portsmouth, NH 03801-4969

    Estimated value:
    $865,000
    5,587 sqft 0.58 AC lot
    View details
    278 Cabot St
    BOARDING/ROOMING HOUSE

    278 Cabot St, Portsmouth, NH 03801-3964

    Estimated value:
    $485,000
    3,114 sqft 0.14 AC lot
    View details

    Portsmouth, NH Multifamily Properties Market Trends and Statistics

    Explore 11 multifamily properties for sale in Portsmouth, NH, showcased through 9 active listings on our real estate platform. These investment opportunities span a total of 26,127 square feet of properties for sale, with an estimated market value of $13,869,900.

    Sale prices for multifamily properties in Portsmouth, NH start at $859,900, averaging $1,541,100, and reaching up to $3,600,000 — 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

    Triplexes 4
    Duplexes 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 $2.1M

    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

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    Browse Multifamily properties for Sale Near Portsmouth, NH

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    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
    The Aland Realty Group, LLC
    175 Market Street Portsmouth, NH 03801
    Phone: (207) 251-4762
    www.alandrealty.com
    Samonas Realty LLC
    111 Bow Street Portsmouth, NH 03801
    Phone: (603) 319-8100
    samonasgroup.com
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