Add Listing
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Office
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price range
    $
    $
    Size
    Property size / sq.ft.
    AI Search

    Portsmouth, NH Office Units for Sale

    16 results
    List
    Map
    Portsmouth Commercial Office Condominium
    $250,000

    Portsmouth Commercial Office Condominium

    118 Maplewood Ave, Portsmouth, NH 03801

    Commercial office condominium in Portsmouth, renovated in 2024.

    • Prime location in Portsmouth, adjacent to North Mill Pond, short walk to Central Business District and Piscataqua Riverfront.
    • Recently renovated in 2024.
    • Includes 2 on‑site parking spaces.
    • Suitable for immediate occupancy.
    • Two well‑proportioned rooms ideal for office and conference use.
    Updated: Dec 6, 2025
    View details
    Downtown Portsmouth Office Suites Available
    $500,000

    Downtown Portsmouth Office Suites Available

    10 Vaughan St, Portsmouth, NH 03801

    Recently renovated office suites in a prime downtown location.

    • Prime downtown Portsmouth location above popular restaurants.
    • Recently renovated, move‑in‑ready office suites.
    • Flexible layouts and combinable spaces ranging from 817 SF to 1,302 SF.
    • High ceilings and abundant natural light.
    • Suites offer private kitchen/restroom or kitchenette options.
    Updated: Oct 20, 2025
    View details
    Downtown Portsmouth Office Suites Available
    $425,000

    Downtown Portsmouth Office Suites Available

    Recently renovated office suites in a vibrant, walkable downtown location.

    10 Vaughan St, Portsmouth, NH 03801
    View details
    Downtown Portsmouth Office Suites
    $300,000

    Downtown Portsmouth Office Suites

    Recently renovated office suites in a prime downtown location.

    10 Vaughan St, Portsmouth, NH 03801
    View details
    Downtown Portsmouth Office Suites
    $1,200,000
    3,186 SF

    Downtown Portsmouth Office Suites

    Recently renovated office suites in vibrant downtown Portsmouth.

    8 Vaughan St, Portsmouth, NH 03801
    View details
    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 St, Portsmouth, NH 03801
    View details
    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 St, Portsmouth, NH 03801
    View details
    Portsmouth Office Condo For Sale
    $250,000

    Portsmouth Office Condo For Sale

    Commercial office condo near downtown Portsmouth, renovated in 2024.

    118 Maplewood Ave, Portsmouth, NH 03801
    View details
    Professional Office Unit For Sale
    $315,000

    Professional Office Unit For Sale

    Professional office unit in Portsmouth, NH, ideal for investors.

    875 Greenland Rd, Portsmouth, NH 03801
    View details
    Luxury Commercial Condo in Portsmouth
    $2,300,000

    Luxury Commercial Condo in Portsmouth

    4,600 sqft Portsmouth commercial condo with residential conversion potential.

    20 Ladd St, Portsmouth, NH 03801
    View details
    Pease Tradeport Office/Industrial Space
    $8,250,000
    53,000 SF

    Pease Tradeport Office/Industrial Space

    Office and industrial space for lease at Pease Tradeport.

    125 Aviation Ave, Portsmouth, NH 03801
    View details
    Downtown Portsmouth Office Suites Available
    $1,200,000
    3,186 SF

    Downtown Portsmouth Office Suites Available

    Move-in-ready office suites in a vibrant downtown location.

    10-0 Vaughan Mall, Portsmouth, NH 03801
    View details
    Downtown Portsmouth Office Suites
    $1,200,000

    Downtown Portsmouth Office Suites

    Move-in-ready office suites in a vibrant downtown location.

    8 210, Portsmouth, NH 03801
    View details
    Renovated Office Space For Lease
    Contact for pricing
    1,404 SF

    Renovated Office Space For Lease

    Newly renovated office condominium in medical park, convenient location.

    230 Lafayette Rd, Portsmouth, NH 03801
    View details
    Professional Office Unit For Sale
    Contact for pricing
    1,204 SF

    Professional Office Unit For Sale

    1,204 SF office unit with lease in place until 2028.

    875 Greenland Rd, Portsmouth, NH 03801
    View details
    Waterfront Office Condo For Sale
    Contact for pricing
    1,291 SF

    Waterfront Office Condo For Sale

    Office condo with water views, close to downtown Portsmouth.

    500 Market St, Portsmouth, NH 03801
    View details
    Based on your search, we've compiled 21 Potential Opportunities for your consideration. Besides 16 Active listings in Portsmouth, NH, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 1 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.

    Waterfront Co-working Office For Sale
    $625,000

    Waterfront Co-working Office For Sale

    Combined commercial space with 10 units, 8 currently occupied.

    19 Bridge St, Kittery, ME 03904
    View details
    Kittery Multifamily Property with Creek Frontage
    $1,250,000
    4,120 SF

    Kittery Multifamily Property with Creek Frontage

    Rare multifamily property with development potential and coastal views.

    8-10 Bayview Ln, Kittery, ME 03904
    View details
    New Commercial Building Near Portsmouth
    $749,000
    916 SF

    New Commercial Building Near Portsmouth

    Newly constructed 916 sq ft commercial space in Rye.

    22 Pioneer Rd, Rye, NH 03870
    View details
    Rye Airfield Investment Opportunity
    $10,000,000

    Rye Airfield Investment Opportunity

    Commercially zoned parcels with development potential in scenic New Hampshire.

    6 Airfield Dr, Rye, NH 03870
    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.

    29 Maplewood Ave

    29 Maplewood Ave

    Office Units • 4,775 SF
    Value Estimation by Request
    29 Maplewood Ave, Portsmouth, NH 03801
    View details

    Portsmouth, NH Office Units Investment Opportunities Market Analysis

    Explore 17 office units for sale in Portsmouth, NH, showcased through 16 active listings on our real estate platform. These investment opportunities span a total of 200,812 square feet of properties for sale, with an estimated market value of $6,800,000.

    Sale prices for office units in Portsmouth, NH start at $2,300,000, averaging $3,400,000, 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.

    List
    Map

    Popular Searches in Portsmouth, NH

    Popular Categories

    Most Searched ZIP Codes in Portsmouth, NH

    • 03801

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!