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    Portsmouth, NH Office Units for Lease

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    Greenland, NH Newington, NH North Hampton, NH
    Showing 24 of 54 results
    Modern Office Space Available
    $24 SF/Yr
    3,679 SF

    Modern Office Space Available

    Contemporary office space in premier business corridor, available April 2026.

    75 Portsmouth Blvd, Portsmouth, NH
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    Renovated Office Suites Above Retail
    Contact for pricing

    Renovated Office Suites Above Retail

    Three recently renovated office suites above active street-level tenants, with flexible layouts and potential to combine spaces.

    10 Vaughan, Portsmouth, NH 03801
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    Downtown Office Suites Above Retail
    Contact for pricing

    Downtown Office Suites Above Retail

    Three recently renovated office suites with high ceilings and flexible layouts are available above street-level retail.

    10 Vaughan, Portsmouth, NH 03801
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    Single Room Office For Rent
    $350/Mo

    Single Room Office For Rent

    Single room office space available in Portsmouth, NH.

    6-i-170 West Rd, Portsmouth, NH 3801
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    Renovated Downtown Office Suites
    Contact for pricing

    Renovated Downtown Office Suites

    Move-in-ready suites with flexible layouts are available above popular downtown restaurants in Portsmouth, with some units offering kitchen amenities.

    10 Vaughan, Portsmouth, NH 03801
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    Office or Medical Office Space
    $16 SF/Yr
    2,027 SF

    Office or Medical Office Space

    Office or medical space in Portsmouth's Pease Tradeport.

    14 Manchester Square, Portsmouth, NH
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    Office/Retail Space Off Walkway
    Contact for pricing

    Office/Retail Space Off Walkway

    Mixed office and retail space available near Buckley’s Market for professional storefront or services use.

    21A Daniel Street, Portsmouth, NH 03801
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    High-End Office Space Available
    $40 SF/Yr
    10,524 SF

    High-End Office Space Available

    Office space with river views in desirable Portsmouth location.

    1 Harbour Place, Portsmouth, NH
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    Office Space Sublease Opportunity
    Contact for pricing
    6,000 SF

    Office Space Sublease Opportunity

    6,000 SF office space available for sublease.

    2 International Dr, Portsmouth, NH 3801
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    Office Space Near Downtown Portsmouth
    $19 SF/Yr
    10,244 SF

    Office Space Near Downtown Portsmouth

    Office spaces with natural light and convenient location near I-95.

    135 Commerce Way, Portsmouth, NH
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    Class A Office Space Available
    $18 SF/Yr
    16,027 SF

    Class A Office Space Available

    Flexible office suites with modern amenities and ample parking.

    273 Corporate Dr, Portsmouth, NH
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    Portsmouth Office Space Available
    $12 SF/Yr
    2,875 SF

    Portsmouth Office Space Available

    First floor office space for lease in Portsmouth, NH.

    755 Banfield Road 102-B, Portsmouth, NH 3801
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    Energy Efficient Office Space
    $17 SF/Yr
    5,249 SF

    Energy Efficient Office Space

    Three-story office building in Pease International Tradeport.

    100 International Dr, Portsmouth, NH
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    Office Space Available For Rent
    $35 SF/Yr
    4,870 SF

    Office Space Available For Rent

    4,870 SF office space available on the 2nd floor.

    100 Market St, Portsmouth, NH 3801
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    Second Floor Office with Privacy
    $400/Mo
    402 SF

    Second Floor Office with Privacy

    Private second-floor office space with natural light and ample parking.

    170 West Rd, Portsmouth, NH 3801
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    Portsmouth Office Space Available
    $14 SF/Yr
    1,290 SF

    Portsmouth Office Space Available

    Office space available for lease in Portsmouth, New Hampshire.

    1 Cate St, Portsmouth, NH
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    Portsmouth Flex/Industrial & Office Space
    $12 SF/Yr
    3,310 SF

    Portsmouth Flex/Industrial & Office Space

    Flex/Industrial and Office spaces available for lease in Portsmouth.

    195 New Hampshire Ave, Portsmouth, NH
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    Economical Office and Warehouse Space
    $12 SF/Yr
    2,539 SF

    Economical Office and Warehouse Space

    Flexible office and warehouse space near major routes.

    200 International Drive, Portsmouth, NH
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    Office Space For Rent
    Contact for pricing
    1,231 SF

    Office Space For Rent

    Office space available for rent in Portsmouth, NH.

    222 International Drive, Portsmouth, NH
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    Portsmouth Office Space For Lease
    $10 SF/Yr
    3,921 SF

    Portsmouth Office Space For Lease

    Versatile office space in Portsmouth, accessible from city or bypass.

    500 Maplewood Ave, Portsmouth, NH 3801
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    Class A Office Park Space
    $18 SF/Yr
    2,000 SF

    Class A Office Park Space

    Amenity-rich, ENERGY STAR certified office space for rent.

    One New Hampshire Avenue, Portsmouth, NH
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    Office Space in Portsmouth Tradeport
    $22 SF/Yr
    8,315 SF

    Office Space in Portsmouth Tradeport

    First floor office space available for lease in Portsmouth, NH.

    90 Arboretum Dr, Portsmouth, NH 3801
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    First Floor Office Space Available
    $12 SF/Yr
    2,875 SF

    First Floor Office Space Available

    Office space for lease with conference room and collaborative area.

    755 Banfield Rd, Portsmouth, NH 3801
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    Ground-Floor Office Space in Portsmouth
    $29 SF/Yr
    1,600 SF

    Ground-Floor Office Space in Portsmouth

    1,600 SF office suite in historic Old City Hall.

    126 Daniel St, Portsmouth, NH 3801
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