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    Portsmouth, NH Commercial Real Estate for Sale

    34 results
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    Portsmouth Commercial Property on Route 1
    $950,000
    1,782 SF

    Portsmouth Commercial Property on Route 1

    930 Byp Byp, Portsmouth, NH 03801

    1,782 SF commercial building on 0.33 acres in Portsmouth, NH.

    • High visibility location on Route 1 Bypass with strong traffic counts.
    • Versatile 1,782 SF building suitable for retail, service, or mechanic use.
    • Multiple overhead doors provide operational flexibility.
    • Excellent potential for mixed‑use redevelopment in a growing corridor.
    • Located on 0.33 acres.
    Updated: Jan 30
    View details
    Mixed-Use Development in Portsmouth, NH
    $5,400,000
    0.20 Acres

    Mixed-Use Development in Portsmouth, NH

    266 State St, Portsmouth, NH 03801

    Mixed-use development with retail and luxury residences in Portsmouth.

    • Premier retail space and luxury condominium residences in a mixed‑use development.
    • Located in the heart of the city within walking distance of attractions and amenities.
    • Thoughtfully designed to blend historic character with contemporary architecture.
    • One‑of‑a‑kind penthouse with sweeping city views and exceptional outdoor living space.
    • First‑floor retail and commercial space.
    Updated: Jan 29
    View details
    Luxury Commercial Condo in Portsmouth
    $2,300,000
    0.11 Acres

    Luxury Commercial Condo in Portsmouth

    Meticulously renovated 4,600 sq.ft. commercial condo with residential conversion potential.

    20 Ladd St, Portsmouth, NH 03801
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    Art Studio Near Button Factory
    $215,000

    Art Studio Near Button Factory

    Two-level art studio with natural light and garage access.

    871 Islington St, Portsmouth, NH 03801
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    Portsmouth Commercial Office Condominium
    $250,000

    Portsmouth Commercial Office Condominium

    Commercial office condominium in Portsmouth, renovated in 2024.

    118 Maplewood Ave, Portsmouth, NH 03801
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    Historic Portsmouth Mixed-Use Gem
    $3,600,000
    0.11 Acres

    Historic Portsmouth Mixed-Use Gem

    Mixed-use property with commercial space and residential apartments in Portsmouth.

    56 Market St, Portsmouth, NH 03801
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    Waterfront Lot Near Downtown Portsmouth
    $1,000,000
    0.41 Acres

    Waterfront Lot Near Downtown Portsmouth

    Waterfront mixed-use property near downtown Portsmouth, offering versatile development opportunities.

    98 Cornwall St, Portsmouth, NH 03801
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    Downtown Portsmouth Office Suites
    $1,200,000
    3,186 SF

    Downtown Portsmouth Office Suites

    Recently renovated office suites in vibrant downtown Portsmouth.

    8 Vaughan St, Portsmouth, NH 03801
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    Turnkey Restaurant Opportunity in Portsmouth
    $200,000

    Turnkey Restaurant Opportunity in Portsmouth

    Turnkey restaurant with dining rooms, bars, patio in downtown Portsmouth.

    175 High St, Portsmouth, NH 03801
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    Downtown Portsmouth Office Suites
    $300,000

    Downtown Portsmouth Office Suites

    Recently renovated office suites in a prime downtown location.

    10 Vaughan St, Portsmouth, NH 03801
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    Prime Portsmouth Commercial Building For Sale
    $595,000
    0.11 Acres

    Prime Portsmouth Commercial Building For Sale

    Versatile 1,470 SF building in high-traffic Portsmouth location.

    1290 Woodbury Ave, Portsmouth, NH 03801
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    Waterfront Lot Near Downtown Portsmouth
    $1,000,000
    0.16 Acres

    Waterfront Lot Near Downtown Portsmouth

    Waterfront lot near downtown Portsmouth with redevelopment potential.

    94 Langdon St, Portsmouth, NH 03801
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    Downtown Portsmouth Office Suites Available
    $425,000

    Downtown Portsmouth Office Suites Available

    Recently renovated office suites in a vibrant, walkable downtown location.

    10 Vaughan St, Portsmouth, NH 03801
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    Historic Mixed-Use Portsmouth Gem
    $2,400,000

    Historic Mixed-Use Portsmouth Gem

    Historic Portsmouth mixed-use property with commercial and residential spaces.

    48 Market St, Portsmouth, NH 03801
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    Historic Portsmouth Office Building For Sale
    $3,300,000
    0.25 Acres

    Historic Portsmouth Office Building For Sale

    Landmark Portsmouth building, ideal for professional offices or business.

    144 Washington St, Portsmouth, NH 03801
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    Downtown Portsmouth Office Suites Available
    $500,000

    Downtown Portsmouth Office Suites Available

    Recently renovated office suites in a prime downtown location.

    10 Vaughan St, Portsmouth, NH 03801
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    Historic Portsmouth Brewery Building
    $4,500,000
    10,434 SF

    Historic Portsmouth Brewery Building

    Prime Location, Versatile Spaces, Investment Opportunity

    56 Market St, Portsmouth, NH 03801
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    Portsmouth Office Condo - Prime Location
    $300,000

    Portsmouth Office Condo - Prime Location

    Downtown Portsmouth office, renovated 2024.

    118 Maplewood Ave, Portsmouth, NH 03801
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    Portsmouth Office Space: North End Gem
    Contact for pricing

    Portsmouth Office Space: North End Gem

    Class A Office, Vibrant Location, 2,325 RSF

    12 Portwalk Pl, Portsmouth, NH 03801
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    Portsmouth Medical Office Condo
    $1,130,000

    Portsmouth Medical Office Condo

    Prime Location, Two Vacant Units

    100 Griffin Rd, Portsmouth, NH 03801
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    Historic Portsmouth Commercial Gem
    $2,400,000
    5,575 SF

    Historic Portsmouth Commercial Gem

    Prime Location, Mixed-Use Investment

    48 Market St, Portsmouth, NH 03801
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    Portsmouth Office Space for Lease
    Contact for pricing

    Portsmouth Office Space for Lease

    Prime Portsmouth Office, Ample Parking

    875 Greenland Rd, Portsmouth, NH 03801
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    Portsmouth Retail & Office Space
    Contact for pricing
    6,200 SF

    Portsmouth Retail & Office Space

    Prime Portsmouth location, flexible lease options.

    150 Mirona Road Ext, Portsmouth, NH 03801
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    Portsmouth Retail & Office Space
    Contact for pricing
    6,200 SF

    Portsmouth Retail & Office Space

    Prime Portsmouth location, flexible lease options.

    150 Mirona Road Ext, Portsmouth, NH 03801
    View details

    Portsmouth, NH Commercial Real Estate Investment Opportunities Market Analysis

    Explore 1328 commercial real estate investment opportunities in Portsmouth, NH with 34 listings featured on our commercial real estate marketplace. The current inventory includes 8,762,580 square feet of properties with an estimated value of $256,170,000.

    Estimated prices for commercial real estate in Portsmouth, NH begin at $210,000, with an average of $1,498,070 and extend to $14,860,000.

    In Portsmouth, NH, current investment values show:

    • Retail properties positioned at $1,519,805
    • Individual retail properties measuring $1,856,111
    • Mixed-use properties assessed at $1,043,787
    • Retail space calculated at $1,542,903
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