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    Portsmouth, NH Specialty Properties for Sale

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    Waterfront Lot Near Downtown Portsmouth
    $1,000,000
    0.16 Acres

    Waterfront Lot Near Downtown Portsmouth

    94 Langdon St, 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: Dec 10, 2025
    View details
    Highland Street Property For Sale
    $1,695,000

    Highland Street Property For Sale

    34-36 Highland St, Portsmouth, NH 03801

    Commercial property available for purchase on Highland Street.

    • YearBuilt: 1900
    View details
    Based on your search, we've compiled 63 Potential Opportunities for your consideration. Besides 2 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

    Explore Opportunities in Nearby Cities

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

    Ocean Boulevard Property For Sale
    $1,450,000

    Ocean Boulevard Property For Sale

    Property located on Ocean Boulevard in Hampton, New Hampshire.

    745 Ocean Blvd, Hampton, NH 03842
    View details
    Exeter Specialty Property For Sale
    $1,800,000

    Exeter Specialty Property For Sale

    Specialty property available for purchase in Exeter, New Hampshire.

    27 Tremont St, Exeter, NH 03833
    View details
    Exeter Specialty Property For Sale
    $1,800,000

    Exeter Specialty Property For Sale

    Specialty property available for purchase in Exeter, New Hampshire.

    29 Tremont St, Exeter, NH 03833
    View details
    Hampton Harbor Commercial Building
    $79,000
    484 SF

    Hampton Harbor Commercial Building

    Commercial building with mooring in Hampton Harbor's marina.

    1 Ocean Blvd, Hampton, NH 03842
    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.

    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
    154 Market St

    154 Market St

    MARINE FACILITY/BOARD REPAIRS • 1,560 SF
    Value Estimation by Request
    154 Market St, Portsmouth, NH 03801-3730
    View details
    34 Ceres St

    34 Ceres St

    MARINE FACILITY/BOARD REPAIRS • 1,836 SF
    Value Estimation by Request
    34 Ceres St, Portsmouth, NH 03801-3706
    View details
    Mechanic St

    Mechanic St

    CHARITABLE ORGANIZATION • 0.08 Acres
    Value Estimation by Request
    Mechanic 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
    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
    154 Market St

    154 Market St

    CHARITABLE ORGANIZATION • 7,034 SF
    Value Estimation
    $575,000
    154 Market St, Portsmouth, NH 03801-3730
    View details
    28 Chestnut St

    28 Chestnut St

    CHARITABLE ORGANIZATION • 18,796 SF
    Value Estimation
    $915,000
    28 Chestnut St, Portsmouth, NH 03801-4001
    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
    200 Greenleaf Ave

    200 Greenleaf Ave

    CHARITABLE ORGANIZATION • 6,109 SF
    Value Estimation by Request
    200 Greenleaf Ave, Portsmouth, NH 03801-5369
    View details
    6 Market Sq, Unit 5

    6 Market Sq, Unit 5

    CHARITABLE ORGANIZATION • 2,102 SF
    Value Estimation by Request
    6 Market Sq, Portsmouth, NH 03801-4011
    View details
    43 Middle St

    43 Middle St

    CHARITABLE ORGANIZATION • 5,685 SF
    Value Estimation by Request
    43 Middle St, Portsmouth, NH 03801-4302
    View details
    386 Ct St

    386 Ct St

    CHARITABLE ORGANIZATION • 2,823 SF
    Value Estimation by Request
    386 Ct St, Portsmouth, NH 03801
    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
    6 Ladd St

    6 Ladd St

    CHARITABLE ORGANIZATION • 0.03 Acres
    Value Estimation by Request
    6 Ladd St, Portsmouth, NH 03801
    View details
    Washington St

    Washington St

    CHARITABLE ORGANIZATION • 0.27 Acres
    Value Estimation by Request
    Washington St, Portsmouth, NH 03801
    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
    651 Maplewood Ave

    651 Maplewood Ave

    CHARITABLE ORGANIZATION • 1,056 SF
    Value Estimation by Request
    651 Maplewood Ave, Portsmouth, NH 03801-3540
    View details
    600 Lafayette Rd

    600 Lafayette Rd

    CHARITABLE ORGANIZATION • 1.83 Acres
    Value Estimation by Request
    600 Lafayette Rd, Portsmouth, NH 03801-5435
    View details
    125 Bow St

    125 Bow St

    CHARITABLE ORGANIZATION • 7,951 SF
    Value Estimation
    $590,000
    125 Bow St, Portsmouth, NH 03801-3874
    View details
    143 Pleasant St

    143 Pleasant St

    CHARITABLE ORGANIZATION • 9,505 SF
    Value Estimation
    $745,000
    143 Pleasant St, Portsmouth, NH 03801-4506
    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

    Portsmouth, NH Specialty Properties Investment Opportunities Market Analysis

    Explore 59 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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