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    Portsmouth, NH Office Properties & Spaces for Sale

    19 results
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    Portsmouth Commercial Office Condominium
    $250,000

    Portsmouth Commercial Office Condominium

    118 Maplewood Ave, Portsmouth, NH 03801

    Commercial office condominium in Portsmouth, renovated in 2024.

    • Prime location in Portsmouth, adjacent to North Mill Pond, short walk to Central Business District and Piscataqua Riverfront.
    • Recently renovated in 2024.
    • Includes 2 on‑site parking spaces.
    • Suitable for immediate occupancy.
    • Two well‑proportioned rooms ideal for office and conference use.
    Updated: Dec 6, 2025
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    Luxury Commercial Condo in Portsmouth
    $2,300,000
    0.11 Acres

    Luxury Commercial Condo in Portsmouth

    20 Ladd St, Portsmouth, NH 03801

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

    • Premier downtown Portsmouth location, steps from restaurants, shops, and the waterfront.
    • Rare potential for residential conversion of a 4,600± sq.ft. luxury commercial condominium.
    • Meticulously renovated historic 1860 building blending architectural character with modern amenities.
    • Bright, flexible open layout with nine private offices, two conference rooms, reception area, and three bathrooms.
    • Professional‑grade kitchen with commercial stainless steel appliances, hood system, and refrigeration.
    Updated: Oct 20, 2025
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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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    Portsmouth Art Studio For Sale
    $235,000

    Portsmouth Art Studio For Sale

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

    871 Islington 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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    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 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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    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 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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    Historic Portsmouth Executive Offices
    Contact for pricing
    7,200 SF

    Historic Portsmouth Executive Offices

    7,200 SF, 3 Units, NNN Lease

    45 Pearl St, Portsmouth, NH 03801
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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 03801
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    Downtown Portsmouth Office Suites
    $1,200,000

    Downtown Portsmouth Office Suites

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

    8 210, Portsmouth, NH 03801
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    Downtown Portsmouth Office Suites Available
    $1,875,000
    2,117 SF

    Downtown Portsmouth Office Suites Available

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

    10-0 Vaughan Mall, Portsmouth, NH 03801
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    Professional Office Unit For Sale
    $315,000
    1,204 SF

    Professional Office Unit For Sale

    1,204 SF office unit with lease in place until 2028.

    875 Greenland Rd, Portsmouth, NH 03801
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    Updated Office Condo in Portsmouth
    $350,000

    Updated Office Condo in Portsmouth

    1,209 sq. ft. office condo in historic Portsmouth, NH.

    600 State St, Portsmouth, NH 03801
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    Downtown Portsmouth Retail/Office Condo
    $1,500,000
    3,100 SF

    Downtown Portsmouth Retail/Office Condo

    New retail/office condo in downtown Portsmouth, NH for sale.

    238 Deer St, Portsmouth, NH 03801
    View details
    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 19 Active Listings in Portsmouth, NH, we suggest to view alternatives - similar 502 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.

    29 Maplewood Ave

    29 Maplewood Ave

    Office Properties & Spaces
    Value Estimation by Request
    29 Maplewood Ave, Portsmouth, NH 03801
    View details
    118A Maplewood Ave Unit

    118A Maplewood Ave Unit

    Office Properties & Spaces • 2,229 SF
    Value Estimation by Request
    118A Maplewood Ave Unit, Portsmouth, NH 03801
    View details
    170 West Rd

    170 West Rd

    Industrial properties • 58,347 SF
    Value Estimation by Request
    170 West Rd, Portsmouth, NH 03801
    View details
    29 Maplewood Ave

    29 Maplewood Ave

    Office space • 4,775 SF
    Value Estimation by Request
    29 Maplewood Ave, Portsmouth, NH 03801
    View details
    360 Corporate Dr

    360 Corporate Dr

    Medical offices • 52,000 SF
    Value Estimation by Request
    360 Corporate Dr, Portsmouth, NH 03801
    View details

    Portsmouth, NH Office Properties & Spaces Investment Opportunities Market Analysis

    Explore 521 office properties & spaces for sale in Portsmouth, NH, showcased through 19 active listings on our real estate platform. These investment opportunities span a total of 344,462 square feet of properties for sale, with an estimated market value of $19,940,000.

    Prices for office spaces in Portsmouth, NH start at $225,000, averaging $1,107,777, and reaching up to $4,500,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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