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    Portsmouth, NH Specialty Properties for Sale

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    Manchester, NH Conway, NH Nashua, NH
    Waterfront Lot Near Downtown Portsmouth
    $1,000,000
    0.16 Acres

    Waterfront Lot Near Downtown Portsmouth

    94 Langdon Street, Portsmouth, NH 03801

    Waterfront lot near downtown Portsmouth with redevelopment potential.

    • Prime waterfront location on the North Mill Pond with direct water access.
    • Walking distance to downtown Portsmouth.
    • Unique opportunity to redevelop for luxury living.
    • Large, expansive lot.
    • Versatile property suitable for commercial, residential, or mixed‑use development.
    Updated: Sep 18, 2025
    View details
    Based on your search, we've compiled 66 Potential Opportunities for your consideration. Besides 1 Active listings in Portsmouth, NH, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 57 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.

    Historic Bottling Works For Sale
    $1,500,000
    2.50 Acres

    Historic Bottling Works For Sale

    Iconic New Hampshire landmark with business opportunity on 2.5 acres.

    120 Exeter Road, Newfields, NH 03856
    View details
    Stratham Commercial Property on Portsmouth Avenue
    $699,900

    Stratham Commercial Property on Portsmouth Avenue

    Versatile commercial property in Stratham, suitable for various uses.

    217 Portsmouth Avenue, Stratham, NH 03885
    View details
    Historic Bottling Works Opportunity
    $1,500,000
    950 SF

    Historic Bottling Works Opportunity

    Iconic New Hampshire landmark with a thriving business opportunity.

    120 Exeter Rd, Newfields, NH 3856
    View details
    Former College Building and Campus
    Contact for pricing
    117,000 SF

    Former College Building and Campus

    90-acre commercial/redevelopment space with a 100,000+ sq ft building.

    275 Portsmouth Ave, Stratham, NH 3885
    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.

    Historic Island on Piscataqua River
    $250,000
    1.00 Acre

    Historic Island on Piscataqua River

    Private island with historical significance and development potential.

    Franks Fort Island, Eliot, ME 03903
    View details
    Kennebunkport Land Near Goose Rocks
    $609,000
    0.71 Acres

    Kennebunkport Land Near Goose Rocks

    Land for custom home near Goose Rocks Beach in Kennebunkport.

    Prospect Reserve Way lot: 11, Kennebunkport, ME 04046
    View details
    Danvers Land Near Rail Trail
    $200,000
    1.52 Acres

    Danvers Land Near Rail Trail

    1.52 acre lot near North Shore amenities.

    63 Adams St, Danvers, MA 01923
    View details
    Gilmanton Land in Historic District
    $150,000
    1.57 Acres

    Gilmanton Land in Historic District

    1.57-acre building lot in Smith Meeting House Historic District.

    TM 414 L 37 Meeting House Road, Gilmanton, NH 03237
    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.

    75 Longmeadow Ln

    75 Longmeadow Ln

    CHARITABLE ORGANIZATION • 19,837 SF
    Value Estimation
    $695,000
    75 Longmeadow Ln, Portsmouth, NH 03801-3157
    View details
    92 Cottage St

    92 Cottage St

    CHARITABLE ORGANIZATION • 2,519 SF
    Value Estimation
    $535,000
    92 Cottage St, Portsmouth, NH 03801-4110
    View details
    43 Austin St

    43 Austin St

    CHARITABLE ORGANIZATION • 4,890 SF
    Value Estimation by Request
    43 Austin St, Portsmouth, NH 03801-4307
    View details
    375 Middle St

    375 Middle St

    CHARITABLE ORGANIZATION • 4,698 SF
    Value Estimation by Request
    375 Middle St, Portsmouth, NH 03801-5009
    View details
    84 Broad St

    84 Broad St

    FUNERAL HOME • 5,461 SF
    Value Estimation
    $1,570,000
    84 Broad St, Portsmouth, NH 03801-5104
    View details
    222 Ct St

    222 Ct St

    CHARITABLE ORGANIZATION • 2,125 SF
    Value Estimation by Request
    222 Ct St, Portsmouth, NH 03801-4416
    View details
    200 Greenleaf Ave

    200 Greenleaf Ave

    CHARITABLE ORGANIZATION • 6,109 SF
    Value Estimation by Request
    200 Greenleaf Ave, Portsmouth, NH 03801-5369
    View details
    413 Lafayette Rd

    413 Lafayette Rd

    CHARITABLE ORGANIZATION • 6,070 SF
    Value Estimation by Request
    413 Lafayette Rd, Portsmouth, NH 03801-5432
    View details
    290 Peverly Hl Rd

    290 Peverly Hl Rd

    DAY CARE, PRE-SCHOOL • 1,326 SF
    Value Estimation by Request
    290 Peverly Hl Rd, Portsmouth, NH 03801-5368
    View details
    319 Vaughan St

    319 Vaughan St

    CHARITABLE ORGANIZATION • 18,356 SF
    Value Estimation
    $650,000
    319 Vaughan St, Portsmouth, NH 03801-3747
    View details
    973 Islington St

    973 Islington St

    CHARITABLE ORGANIZATION • 7,200 SF
    Value Estimation by Request
    973 Islington St, Portsmouth, NH 03801-4229
    View details
    17 Hancock St

    17 Hancock St

    CHARITABLE ORGANIZATION • 5,670 SF
    Value Estimation by Request
    17 Hancock St, Portsmouth, NH 03801-4611
    View details
    929 Sagamore Ave

    929 Sagamore Ave

    MARINE FACILITY/BOARD REPAIRS • 1,952 SF
    Value Estimation by Request
    929 Sagamore Ave, Portsmouth, NH 03801-5594
    View details
    7 Dunlin Way

    7 Dunlin Way

    CHARITABLE ORGANIZATION • 1,825 SF
    Value Estimation by Request
    7 Dunlin Way, Portsmouth, NH 03801-7309
    View details
    100 Campus Dr

    100 Campus Dr

    CHARITABLE ORGANIZATION • 900 SF
    Value Estimation by Request
    100 Campus Dr, Portsmouth, NH 03801-5892
    View details
    2458 Lafayette Rd

    2458 Lafayette Rd

    CHARITABLE ORGANIZATION • 33,150 SF
    Value Estimation
    $1,295,000
    2458 Lafayette Rd, Portsmouth, NH 03801-5618
    View details
    1320 Woodbury Ave

    1320 Woodbury Ave

    CHARITABLE ORGANIZATION • 2,136 SF
    Value Estimation by Request
    1320 Woodbury Ave, Portsmouth, NH 03801-3222
    View details
    Washington St

    Washington St

    CHARITABLE ORGANIZATION • 0.27 Acres
    Value Estimation by Request
    Washington St, Portsmouth, NH 03801
    View details
    61 Washington St

    61 Washington St

    CHARITABLE ORGANIZATION • 1,748 SF
    Value Estimation by Request
    61 Washington St, Portsmouth, NH 03801-4638
    View details
    65 Washington St

    65 Washington St

    CHARITABLE ORGANIZATION • 8.24 Acres
    Value Estimation by Request
    65 Washington St, Portsmouth, NH 03801
    View details
    1145 Sagamore Ave

    1145 Sagamore Ave

    CHARITABLE ORGANIZATION • 20,711 SF
    Value Estimation
    $605,000
    1145 Sagamore Ave, Portsmouth, NH 03801-5503
    View details
    1149 Sagamore Ave

    1149 Sagamore Ave

    CHARITABLE ORGANIZATION • 2,255 SF
    Value Estimation by Request
    1149 Sagamore Ave, Portsmouth, NH 03801-5503
    View details
    30 Rye St

    30 Rye St

    DAY CARE, PRE-SCHOOL • 11,203 SF
    Value Estimation
    $595,000
    30 Rye St, Portsmouth, NH 03801-2881
    View details

    Portsmouth, NH Specialty Properties Investment Opportunities Market Analysis

    Explore 58 specialty properties for sale in Portsmouth, NH on our real estate platform. These investment opportunities span a total of 1,796,067 square feet of properties for sale, with an estimated market value of $5,905,000.

    Sale prices for properties in Portsmouth, NH start at $210,000, averaging $454,230, and reaching up to $1,820,000 — 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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