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    Portsmouth, NH Office Properties & Spaces for Sale

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    Manchester, NH Nashua, NH Concord, NH
    13 results
    Downtown Portsmouth Commercial Condo Opportunity
    $2,350,000

    Downtown Portsmouth Commercial Condo Opportunity

    40 Bridge Street Unit 101, Portsmouth, NH 03801

    Adaptable commercial space in vibrant downtown Portsmouth.

    • Prime downtown Portsmouth location with high visibility and foot traffic.
    • 3,798± sq ft of flexible commercial space suitable for diverse uses (retail, restaurant, office, medical, etc.).
    • Directly across from two municipal parking lots and a short walk to a parking garage, providing excellent accessibility.
    • Modern upgrades including LED lighting, upgraded HVAC controls, and quality carpet finishes.
    • Floor‑to‑ceiling storefront windows offering abundant natural light.
    Updated: Apr 16
    View details
    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

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

    871 Islington Street, Portsmouth, NH 03801
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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
    View details
    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
    View details
    Medical/Office Condo For Sale
    $300,000
    1,275 SF

    Medical/Office Condo For Sale

    1,275 SF medical/office condo in professionally managed office park.

    278 Lafayette Rd, Portsmouth, NH 3801
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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
    View details
    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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    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
    View details
    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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    Portsmouth Office Condo For Sale
    $450,000
    1,071 SF

    Portsmouth Office Condo For Sale

    1,071 SF office condo near I-95 and Market Square.

    500 Market Street, Portsmouth, NH 3801
    View details
    Based on your search, we've compiled 523 Potential Opportunities for your consideration. Besides 13 Active listings in Portsmouth, NH, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 502 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Explore Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    New Commercial Building Near Portsmouth
    $699,000

    New Commercial Building Near Portsmouth

    Newly constructed 916 sq ft commercial space in Rye, NH.

    22 Pioneer Road, Rye, NH 03870
    View details
    North Hampton Office Condominium
    $150,000

    North Hampton Office Condominium

    Well-located office condominium with visibility and ample parking.

    135 Lafayette Road, North Hampton, NH 03862
    View details
    New Rye Commercial Building Opportunity
    $749,000
    916 SF

    New Rye Commercial Building Opportunity

    Freestanding 916 sq ft commercial building in Rye, NH.

    22 Pioneer Rd, Rye, NH 3870
    View details
    Renovated Office Condo For Sale
    $105,000
    27,781 SF

    Renovated Office Condo For Sale

    Newly renovated office condo in a convenient Seacoast location.

    29 Lafayette Rd, North Hampton, NH 3862
    View details

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Prime Land in York Village
    $475,000
    0.33 Acres

    Prime Land in York Village

    Centrally located parcel with development potential near shops and restaurants.

    190 York Street, York, ME 03909
    View details
    Dover Waterfront Land with Riparian Rights
    $3,750,000
    1.30 Acres

    Dover Waterfront Land with Riparian Rights

    Premier waterfront land with deepwater access in Dover's City Center.

    3 Cocheco Street, Dover, NH 03820
    View details
    Dover Commercial Land For Sale
    $350,000
    0.59 Acres

    Dover Commercial Land For Sale

    Commercial land available in Dover, New Hampshire.

    7 Hotel Drive, Dover, NH 03820
    View details
    Kensington Commercial Opportunity on 2.1 Acres
    $850,000

    Kensington Commercial Opportunity on 2.1 Acres

    2.1 acre commercial lot with existing 5-unit multifamily.

    269 South Road, Kensington, NH 03833
    View details

    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.

    500 Market St, Unit 1G

    500 Market St, Unit 1G

    CONDOMINIUM OFFICES • 1,071 SF
    Value Estimation by Request
    500 Market St, Portsmouth, NH 03801-3456
    View details
    8 Greenleaf Woods Dr

    8 Greenleaf Woods Dr

    CONDOMINIUM OFFICES • 33,988 SF
    Value Estimation
    $4,940,000
    8 Greenleaf Woods Dr, Portsmouth, NH 03801-5454
    View details
    600 State St Ste, Unit 4

    600 State St Ste, Unit 4

    CONDOMINIUM OFFICES • 1,209 SF
    Value Estimation by Request
    600 State St Ste, Portsmouth, NH 03801-4370
    View details
    100 Griffin Rd, Unit A

    100 Griffin Rd, Unit A

    CONDOMINIUM OFFICES • 3,348 SF
    Value Estimation
    $930,000
    100 Griffin Rd, Portsmouth, NH 03801-7158
    View details
    150 Griffin Rd Ste, Unit 3

    150 Griffin Rd Ste, Unit 3

    CONDOMINIUM OFFICES • 5,465 SF
    Value Estimation
    $1,340,000
    150 Griffin Rd Ste, Portsmouth, NH 03801-7131
    View details
    150 Griffin Rd Ste, Unit 1

    150 Griffin Rd Ste, Unit 1

    CONDOMINIUM OFFICES • 4,754 SF
    Value Estimation
    $1,190,000
    150 Griffin Rd Ste, Portsmouth, NH 03801-7131
    View details
    1 Cate St, Unit 3A

    1 Cate St, Unit 3A

    CONDOMINIUM OFFICES • 2,560 SF
    Value Estimation
    $610,000
    1 Cate St, Portsmouth, NH 03801-7108
    View details
    100 Griffin Rd, Unit C

    100 Griffin Rd, Unit C

    CONDOMINIUM OFFICES • 4,570 SF
    Value Estimation
    $1,055,000
    100 Griffin Rd, Portsmouth, NH 03801-7158
    View details
    81 Nh Ave

    81 Nh Ave

    CONDOMINIUM OFFICES • 15,387 SF
    Value Estimation
    $4,595,000
    81 Nh Ave, Portsmouth, NH 03801-2864
    View details
    2 Greenleaf Woods Dr, Unit 301

    2 Greenleaf Woods Dr, Unit 301

    CONDOMINIUM OFFICES • 1,418 SF
    Value Estimation by Request
    2 Greenleaf Woods Dr, Portsmouth, NH 03801-5438
    View details
    6 Greenleaf Woods Dr, Unit 101

    6 Greenleaf Woods Dr, Unit 101

    CONDOMINIUM OFFICES • 1,418 SF
    Value Estimation by Request
    6 Greenleaf Woods Dr, Portsmouth, NH 03801-5443
    View details

    Portsmouth, NH Office Properties & Spaces Investment Opportunities Market Analysis

    Explore 515 office properties & spaces for sale in Portsmouth, NH, showcased through 13 active listings on our real estate platform. These investment opportunities span a total of 339,671 square feet of properties for sale, with an estimated market value of $19,345,000.

    Sale prices for office spaces in Portsmouth, NH start at $225,000, averaging $1,137,941, and reaching up to $4,500,000 — 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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