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    Portsmouth, NH Multifamily Properties for Sale

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    Historic Multi-Unit Residence
    Updated: Jun 17
    Historic Multi-Unit Residence

    53 Austin Street, Portsmouth, NH 03801

    $3,600,000
    7,648 sqft 0.40 AC lot
    Federal‑style residence built c.1801, with hardwood/wide‑board cherry floors and quadruple crown moldings throughout.
    Granite kitchen plus marble fireplace mantels and soaring ceilings, blending historic details with modern updates.
    Six bedrooms and six renovated bathrooms, offering updated comfort in a historic home.
    Carriage house and stable converted into 3 residences: two 1‑bedroom apartments and one 2‑bedroom apartment.
    Natural gas baseboard heating and public water; shingle roof with wood frame clapboard exterior.
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    Updated Two-Unit Residential Income Property
    Updated: Jul 21
    Updated Two-Unit Residential Income Property

    491 Marcy Street, Portsmouth, NH 03801

    $1,325,000
    1,800 sqft 0.07 AC lot
    Legal two‑unit property originally built circa 1750 with a Colonial architectural style
    Extensive exterior renovations in 2025: new roof, four skylights, new windows, new siding (cedar front; Hardie(R) cement board sides/rear), and blown‑in insulation
    Natural gas forced‑air heating; new furnace being installed prior to closing
    Two 100‑amp panels; public water and sewer; cable available
    Parking and outdoor space: 1 off‑street parking spot, full fenced yard, garden space, and shed/storage
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    Downtown Mixed-Use Building with Bank
    Downtown Mixed-Use Building with Bank

    8 Bow Street, Portsmouth, NH 03801

    $4,200,000
    4,101 sqft 0.03 AC lot

    Mixed-use building with four residential units and a first-floor bank tenant, renovated in 2017–2018.

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    Value-Add Four-Unit Multifamily
    Value-Add Four-Unit Multifamily

    357 Maplewood Avenue, Portsmouth, NH 03801

    $1,200,800
    6,144 sqft

    Four-unit multifamily property is offered for sale and requires significant updating.

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    Three-Unit Residential Income Property
    Three-Unit Residential Income Property

    197 Richards Avenue, Portsmouth, NH 03801

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

    Three-unit residential income property with in-unit washer and dryer and off-street parking behind the building.

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    Renovated Duplex with Garage Parking
    Renovated Duplex with Garage Parking

    978-980 South Street, Portsmouth, NH 03801

    $1,485,000
    3,171 sqft 0.14 AC lot

    Well-maintained two-unit property with a renovated three-bedroom owner unit, garage parking, and extensive exterior improvements.

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

    648 Kearsarge Way, Portsmouth, NH 03801

    $899,900
    684 sqft

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

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    Historic Residential Income Property
    Historic Residential Income Property

    53 Austin Street, Portsmouth, NH 03801

    $3,600,000
    7,648 sqft

    1804-era residence with six bedrooms and a carriage house converted to two 1-bedroom and one 2-bedroom units.

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    Three-Unit Multifamily Investment
    Three-Unit Multifamily Investment

    197 Richards Ave, Portsmouth, NH 03801

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

    Three residential units include in-unit washer and dryer and off-street parking behind the building on a 0.24-acre lot.

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    Portsmouth Mixed-Use Historical Gem
    Portsmouth Mixed-Use Historical Gem

    8 Bow St, Portsmouth, NH 03801

    $4,200,000

    Renovated mixed-use building with residential and commercial units.

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    Renovated Duplex with Garage Parking
    Renovated Duplex with Garage Parking

    978-980 South St, Portsmouth, NH 03801

    $1,485,000

    Well-maintained duplex offering a renovated owner’s unit, garage parking, and landscaped outdoor grounds.

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    Waterfront Two-Family Home
    Waterfront Two-Family Home

    25 South Mill St, Portsmouth, NH 03801

    $1,795,000

    Newer construction two-family home in premier waterfront location.

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    Based on your search, we've compiled 22 Potential Opportunities for your consideration. Besides 12 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, plus 4 Land Listings that present a potential for development.

    Opportunities in Nearby Cities

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

    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 duplex and a garage structure with an apartment, all on 2.7 acres with public water and sewer.

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    Historic Duplex with Attached Apartment
    Historic Duplex with Attached Apartment

    88 York Street, York, ME 03909

    $1,325,000
    3,001 sqft 0.32 AC lot

    Circa 1880 duplex offering a 3-bedroom main home plus an attached 2-bedroom apartment and central air.

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    Historic Multifamily Colonial
    Historic Multifamily Colonial

    34 York Street, York, ME 03909

    $749,000
    2,750 sqft 0.48 AC lot

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

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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.

    View details

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Wooded Land in Gorham, Maine
    Wooded Land in Gorham, Maine

    30 Boreal Drive, Gorham, ME 04038

    $425,000
    5.46 AC lot

    5+ acre wooded parcel near Gorham's downtown.

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    Residential Development Land with Ranch
    Residential Development Land with Ranch

    358 Roller Coaster Road, Laconia, NH 03246

    $1,195,000
    40.59 AC lot

    Surveyed for future subdivision of multiple home lots, with a 1998 2-bed, 2-bath ranch on site.

    View details
    No-Zoning Land with Sand Deposits
    No-Zoning Land with Sand Deposits

    lovejoy brook Road, Canaan, NH 03784

    $1,900,000
    201.00 AC lot

    Large Canaan acreage offering no-zoning flexibility and sand and gravel deposits for a variety of development concepts.

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    Augusta Land For Sale
    Augusta Land For Sale

    Map 15 Lot 6C Spring Road, Augusta, ME 04330

    $99,000
    14.63 AC lot

    14.63 acre lot in Augusta's Rural Village Zoning.

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    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

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

    278 Cabot St, Portsmouth, NH 03801-3964

    Value Estimation by Request
    3,114 sqft 0.14 AC lot
    View details

    Portsmouth, NH Multifamily Properties Market Trends and Statistics

    Explore 14 multifamily properties for sale in Portsmouth, NH, showcased through 12 active listings on our real estate platform. These investment opportunities span a total of 36,006 square feet of properties for sale, with an estimated market value of $26,490,700.

    Sale prices for multifamily properties in Portsmouth, NH start at $899,900, averaging $2,207,558, and reaching up to $4,200,000 — 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

    Duplexes 5
    Quadplexes 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 $3.1M

    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.

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