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    Portsmouth, NH Commercial Real Estate for Sale

    22 results
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    Historic Portsmouth Office Building For Sale
    $3,300,000
    0.25 Acres

    Historic Portsmouth Office Building For Sale

    144 Washington Street, Portsmouth, NH 03801

    Landmark Portsmouth building, ideal for professional offices or business.

    • Landmark Federal‑style residence in Portsmouth's historic Puddle Dock area with sweeping views.
    • One of the largest privately owned parcels in Portsmouth's South End with off‑street parking and potential for garage/carriage house.
    • Prime location: five‑minute walk to Market Square, Portsmouth's cultural epicenter.
    • Historic architectural details: genuine moldings, original eight‑panel doors, and distinctive dental moldings.
    • Versatile property suitable for residential or professional use, currently configured as professional offices.
    Updated: Dec 15, 2025
    View details
    Art Studio Near Button Factory
    $215,000

    Art Studio Near Button Factory

    871 Islington Street, Portsmouth, NH 03801

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

    • Loads of natural light ideal for an art studio.
    • Convenient garage door access for loading and unloading materials.
    • Private condo association with access to outside courtyard(s), shared bathroom/sink & entry area, and parking.
    • Central air conditioning and natural gas heating.
    • High ceilings and tile floors.
    Updated: Nov 24, 2025
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    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 Street, Portsmouth, NH 03801
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    Mixed-Use Investment in Downtown Portsmouth
    $4,800,000

    Mixed-Use Investment in Downtown Portsmouth

    Mixed-use property with income and repositioning potential in vibrant downtown.

    172 Hanover Street, Portsmouth, NH 03801
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    Portsmouth Commercial Opportunity For Sale
    $825,000

    Portsmouth Commercial Opportunity For Sale

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

    930 Route 1 Bypass, Portsmouth, NH 03801
    View details
    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 Street, Portsmouth, NH 03801
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    Mixed-Use Development in Portsmouth, NH
    $5,400,000
    0.20 Acres

    Mixed-Use Development in Portsmouth, NH

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

    266 State Street, 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 Street, Portsmouth, NH 03801
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    Portsmouth Industrial Condo For Sale
    $975,000
    5,100 SF

    Portsmouth Industrial Condo For Sale

    Modern 5,100 SF industrial condo in Portsmouth, NH for sale.

    280 Heritage Ave, Portsmouth, NH 3801
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    Turnkey Restaurant Opportunity in Portsmouth
    $149,000

    Turnkey Restaurant Opportunity in Portsmouth

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

    175 High Street, Portsmouth, NH 03801
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    Downtown Portsmouth Office Suites Available
    $1,200,000
    2,117 SF

    Downtown Portsmouth Office Suites Available

    Move-in-ready office suites in a vibrant downtown location.

    10-0 Vaughan Mall, Portsmouth, NH
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    Portsmouth Office Condo For Sale
    $250,000

    Portsmouth Office Condo For Sale

    Commercial office condo in Portsmouth, renovated in 2024.

    118 Maplewood Avenue 5, Portsmouth, NH 3801
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    Portsmouth Commercial Office Condominium
    $250,000

    Portsmouth Commercial Office Condominium

    Commercial office condominium in Portsmouth, renovated in 2024.

    118 Maplewood Avenue, Portsmouth, NH 03801
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    Mixed-Use Investment Opportunity
    $4,800,000
    12,780 SF

    Mixed-Use Investment Opportunity

    Mixed-use property with income and growth potential in downtown location.

    165-172 Hanover Street, Portsmouth, NH 3801
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    Historic Portsmouth Mixed-Use Gem
    $3,500,000
    0.11 Acres

    Historic Portsmouth Mixed-Use Gem

    Mixed-use property with commercial and residential spaces in Portsmouth, NH.

    56 Market Street, Portsmouth, NH 03801
    View details
    Compact Medical Office Condominium
    $94,160
    428 SF

    Compact Medical Office Condominium

    Medical office condo ideal for new or expanding practices.

    230 Lafayette Road, Portsmouth, Portsmouth, NH 3801
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    Prime Portsmouth Commercial Land Opportunity
    $4,500,000
    4.50 Acres

    Prime Portsmouth Commercial Land Opportunity

    4.5-acre commercial property in Portsmouth's Gateway Zone with highway access.

    3600 Lafayette Street, Portsmouth, NH 03801
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    Leased Retail Condo in Portsmouth
    $715,000
    994 SF

    Leased Retail Condo in Portsmouth

    Fully leased retail condo in downtown Portsmouth's vibrant commercial district.

    135 Market St, Portsmouth, NH
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    Waterfront Office Condo For Sale
    $550,000
    1,291 SF

    Waterfront Office Condo For Sale

    Office condo with water views, close to downtown Portsmouth.

    500 Market St, Portsmouth, NH
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    Mixed-Use Multi-Tenant Property
    $5,300,000
    12,064 SF

    Mixed-Use Multi-Tenant Property

    Premier mixed-use, multi-tenant property with 12,064 square feet.

    93 -101 Market St, Portsmouth, NH 3801
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    Former Bank with Drive-Thru
    Contact for pricing
    4,500 SF

    Former Bank with Drive-Thru

    Downtown Portsmouth retail space with drive-thru, available Spring 2025.

    163 deer street, Portsmouth, NH
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    Turnkey Masonry Business and Land
    $2,995,000
    11.00 Acres

    Turnkey Masonry Business and Land

    Operating masonry business with real estate for sale in New Hampshire.

    0 Confidential Street, Portsmouth, NH
    View details
    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 22 Active Listings in Portsmouth, NH, we suggest to view alternatives - similar 1337 Off-Market properties to explore as potential leads.

    Explore 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.

    238 Deer St

    238 Deer St

    RESTAURANT • 4,000 SF
    Value Estimation by Request
    238 Deer St, Portsmouth, NH 03801-3905
    View details
    89 Foundry Pl

    89 Foundry Pl

    VACANT COMMERCIAL LAND • 0.52 Acres
    Value Estimation
    $620,000
    89 Foundry Pl, Portsmouth, NH 03801
    View details

    Portsmouth, NH Commercial Real Estate Investment Opportunities Market Analysis

    Explore 1359 commercial real estate for sale in Portsmouth, NH, showcased through 22 active listings on our real estate platform. These investment opportunities span a total of 264,409 square feet of properties for sale, with an estimated market value of $21,825,000.

    Sale prices for business properties in Portsmouth, NH start at $825,000, averaging $2,728,125, and reaching up to $5,400,000 — 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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