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    Portsmouth, NH Office Spaces for Lease

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    Office Space with Open Layout
    Updated: Oct 16, 2024
    Office Space with Open Layout

    500 Maplewood Ave, Portsmouth, NH 03801

    $10 SF/Yr
    8,202 sqft 1.12 AC lot
    8,202 SF office property on 1.12 acres
    First floor includes 8 private offices and 2 conference or team rooms
    3,921 SF unfinished second‑floor area for storage or additional office space
    Open first‑floor showroom or bullpen area
    Kitchen, 2 restrooms, and storage rooms
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    Office Units with Dedicated Parking
    Updated: Jul 30
    Office Units with Dedicated Parking

    303 Islington Street, Portsmouth, NH 03801

    Contact for pricing
    0.11 AC lot
    Office layout includes reception, conference, and separate private office areas
    Eight dedicated parking spaces located behind the office
    Additional street parking available
    0.11‑acre property at 303 Islington Street, Portsmouth, NH 03801
    Zoned CDR‑L2
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    Second-Floor Office Unit
    Second-Floor Office Unit

    26 Market Square, Portsmouth, NH 03801

    Contact for pricing

    Upper-level workspace with views over Market Square in a historic 1803 building.

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    Professional Office Unit with Natural Light
    Professional Office Unit with Natural Light

    4 Greenleaf Woods Dr Unit 301, Portsmouth, NH 03801

    $595/Mo
    6,414 sqft

    Recently upgraded office unit in a managed campus setting with shared reception, kitchenette, private bath, and on-site parking.

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    First-Floor Retail Space
    First-Floor Retail Space

    21 Daniel Street, Portsmouth, NH 03801

    Contact for pricing
    0.06 AC lot

    Retail or office premises with additional basement area near Market Square.

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    Third-Floor Office Unit
    Third-Floor Office Unit

    159 Middle Street, Portsmouth, NH 03801

    Contact for pricing

    Downtown workspace with shared-area services, on-site parking, and a kitchenette.

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    Walkway-Adjacent Office Space
    Walkway-Adjacent Office Space

    21A Daniel Street, Portsmouth, NH 03801

    Contact for pricing
    0.06 AC lot

    Office and retail premises with direct placement along a pedestrian walkway near a neighborhood market.

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    Second-Floor Office Units
    Second-Floor Office Units

    72 Mirona Road Suites 21 & 22, Portsmouth, NH 03801

    $17 SF/Yr
    3,331 sqft

    Flexible office configuration with on-site parking and connections to Route 1 and I-95.

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    Renovated Office Units
    Renovated Office Units

    10 Vaughan, Portsmouth, NH 03801

    Contact for pricing

    Three bright, flexible suites offer updated finishes and layouts for a range of professional office uses.

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    Renovated Office Units
    Renovated Office Units

    10 Vaughan, Portsmouth, NH 03801

    Contact for pricing

    Flexible downtown workspace offers high ceilings, natural light, and layouts that can be combined.

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    Renovated Downtown Office Units
    Renovated Downtown Office Units

    10 Vaughan Unit 210, Portsmouth, NH 03801

    $2,000/Mo
    1,302 sqft

    Three flexible suites offer high ceilings, abundant natural light, and layouts suited to professional office use.

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    Renovated Office Suites
    Renovated Office Suites

    10 Vaughan, Portsmouth, NH 03801

    Contact for pricing

    Three flexible professional suites offer natural light, high ceilings, and layouts suitable for varied office configurations.

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    Flex Space with Office Buildout
    Flex Space with Office Buildout

    500 Maplewood Avenue, Portsmouth, NH 03801

    Contact for pricing
    1.12 AC lot

    Leasable workspace combines finished offices, collaborative areas, storage, and expansion capacity under a NNN structure.

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    Retail and Office Space Available
    Retail and Office Space Available

    72 Mirona Rd Suite 3, Portsmouth, NH 03801

    $17 SF/Yr
    3,331 sqft

    Retail and office spaces with ample parking and flexible layout.

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    Waterfront Mixed-Use Property
    Waterfront Mixed-Use Property

    One Harbour Place, Portsmouth, NH 03801

    Contact for pricing

    Downtown commercial space with river views, structured parking, and access to Portsmouth’s business, dining, and cultural district.

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    Office Unit with Tidal Flats Views
    Office Unit with Tidal Flats Views

    4 greenleaf woods Drive, Portsmouth, NH 03801

    Contact for pricing

    Recently upgraded office unit with natural light, on-site parking, and utilities and internet included.

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    Renovated Office Suites
    Renovated Office Suites

    10 Vaughan Unit 209, Portsmouth, NH 03801

    $3,000/Mo
    1,067 sqft

    Three flexible office suites feature bright interiors, elevated ceilings, and layouts that can be combined for larger requirements.

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    Office Space for Lease
    Office Space for Lease

    405 The Hill, Portsmouth, NH 03801

    $795/Mo
    350 sqft

    Available office space totaling 350 SqFt at 405 The Hill in Portsmouth, NH.

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    Second-Floor Office Suite with Patio
    Second-Floor Office Suite with Patio

    96 Penhallow Street, Portsmouth, NH 03801

    $3,700/Mo
    1,300 sqft

    Second-floor office suite with private restroom and access to shared outdoor patio space, available immediately.

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    Office Units With Dedicated Parking
    Office Units With Dedicated Parking

    303 Islington Street, Portsmouth, NH 03801

    $4,000/Mo
    1,430 sqft

    Professional office layout includes reception, conference, and private work areas with dedicated rear parking.

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    Retail and Office Building
    Retail and Office Building

    72 Mirona Rd, Portsmouth, NH 03801

    $17.50 SF/Yr
    5,381 sqft

    Two-floor retail and office layout with ample parking and convenient highway access for a wide range of users.

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    Office Suites with Elevator Access
    Office Suites with Elevator Access

    300 Constitution Avenue 200-b, Portsmouth, NH 03801

    $14 SF/Yr
    62,322 sqft

    Second-floor suites offer flexible layouts, abundant windows, elevated ceilings, and shared elevator service.

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    Downtown Portsmouth Office Suites Available
    Downtown Portsmouth Office Suites Available

    501 Islington St Suite 3, Portsmouth, NH 03801

    $15 SF/Yr
    8,644 sqft

    Office suites for lease in downtown Portsmouth, NH.

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    Renovated Office Space Available
    Renovated Office Space Available

    210 West Rd 5B, Portsmouth, NH 03801

    $1,800/Mo
    1,000 sqft

    Office space for lease in Lafayette West Industrial Park.

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    Portsmouth, NH Office Spaces Lease Rates & Market Statistics

    Explore 87 Office Spaces for lease in Portsmouth, NH on Realmo, a commercial real estate exchange covering the Portsmouth area. The current inventory totals 514,559 square feet of properties — an average of ~5,900 SF per listing.

    Asking lease rates for Office Spaces in Portsmouth start at $1.11 SF/Yr, average $17.79 SF/Yr, and reach $37 SF/Yr at the top of the market. The local average of $17.79 SF/Yr is in line with the New Hampshire state average.

    Portsmouth accounts for 36% of the 241 office spaces currently available across Rockingham County, where nearby markets include Londonderry and Exeter. By space type, the market includes 77 office units, 14 medical office space listings and 10 creative space listings — medical office space options typically offer the lowest entry point, while creative space commands the highest rates.

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