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    Portsmouth, NH Office Spaces for Sale

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    Downtown Office Condominium Suite
    Updated: Jul 7
    Downtown Office Condominium Suite

    118 Maplewood Avenue, #C1, Portsmouth, NH 03801

    $450,000
    951 sqft
    951± SF office condominium in a well‑maintained building
    Efficient layout with three private offices plus a conference room (can be used as a fourth private office)
    Includes private restroom, kitchenette, and storage area
    Two dedicated on‑site parking spaces
    Commercial unit located at 118 Maplewood Avenue, Unit C‑1 in downtown Portsmouth (Year built: 1990)
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    This listing looks promising.

    Here's a quick look at some key insights for

    118 Maplewood Avenue, #C1, Portsmouth, NH 03801

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    • Est. Cap Rate

      2.9%
      NOI ÷ price

    • Est. NOI

      $13K
      Annual

    • Mortgage

      $180K
      Recorded

    • Last Sold

      Jan 2021
      $240K

    • Property Type

      Condominium Offices
      Built 1990
    View Property Analytics
    Street-Level Retail and Office Condo
    Updated: May 6
    Street-Level Retail and Office Condo

    40 Bridge Street Unit 101, Portsmouth, NH 03801

    $2,350,000
    Prime downtown Portsmouth location with high visibility and foot traffic.
    3,798± sq ft first‑floor commercial condominium with flexible layout.
    Suitable for diverse commercial uses: retail, restaurant, medical, office, etc.
    Convenient access with side and rear entrances.
    Directly across from municipal parking lots, ensuring easy customer access.
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    Downtown Portsmouth Commercial Investment Opportunity
    Downtown Portsmouth Commercial Investment Opportunity

    54-64 Maplewood Ave, Portsmouth, NH 03801

    $3,440,000
    4,862 sqft

    Commercial property in Portsmouth's vibrant downtown area with excellent accessibility.

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    Compact Medical Office Condo
    Compact Medical Office Condo

    230 Lafayette Rd Unit 11D, Portsmouth, NH 03801

    $94,160
    428 sqft

    A private, in-suite restroom medical office suite with ample on-site parking and easy access to major routes.

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    Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center
    Medical Office Condominium Across Hospital
    Medical Office Condominium Across Hospital

    330 Borthwick Ave 210, Portsmouth, NH 03801

    $550,000

    Medical or professional users benefit from on-site parking and immediate access to major area routes.

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    Historic Portsmouth Office Building For Sale
    Historic Portsmouth Office Building For Sale

    144 Washington St, Portsmouth, NH 03801

    $3,300,000

    Landmark Federal-style building in Portsmouth's historic Puddle Dock area.

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    Waterfront Lot Near Downtown Portsmouth
    Waterfront Lot Near Downtown Portsmouth

    94 Langdon St, Portsmouth, NH 03801

    $1,000,000
    0.16 AC lot

    Waterfront lot with industrial/office buildings, development potential near downtown.

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    Portsmouth Office Condo For Sale
    Portsmouth Office Condo For Sale

    500 Market Street, Portsmouth, NH 03801

    $450,000
    1,071 sqft

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

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    Waterfront Lot Near Downtown
    Waterfront Lot Near Downtown

    98 Cornwall St, Portsmouth, NH 03801

    $1,000,000
    0.41 AC lot

    Expansive waterfront lot near downtown Portsmouth with versatile potential.

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    Renovated Office Condominium Unit
    Renovated Office Condominium Unit

    118 Maplewood Avenue, Portsmouth, NH 03801

    $250,000

    Two-room office unit with a full bathroom and two on-site parking spaces, renovated in 2024 for immediate occupancy.

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    Based on your search, we've compiled 80 Potential Opportunities for your consideration. Besides 10 Active listings in Portsmouth, NH, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 62 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Opportunities in Nearby Cities

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

    Car Wash with Office Bays
    Car Wash with Office Bays

    424 US Route 1, Kittery, ME 03904

    $499,000
    2,208 sqft 0.55 AC lot

    Car wash property with three 12-foot bays and a small office space on a half-acre MU-zoned parcel.

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    Second-Floor Medical Office Suite
    Second-Floor Medical Office Suite

    1 Brickyard Lane, York, ME 03909

    $249,900
    1,014 sqft 2.05 AC lot

    Second-floor office suite with elevator access, two private rooms, kitchenette, and on-site parking in a managed professional building.

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    Commercial Condo with Outdoor Yard
    Commercial Condo with Outdoor Yard

    518 U.S. 1, Kittery, ME 03904

    $565,000
    3,054 sqft

    Spacious commercial condo suited for office, retail, or service uses, with an on-site outdoor yard area.

    View details
    Second-Floor Office Condo Unit
    Second-Floor Office Condo Unit

    433 Us Route 1, Unit 215, York, ME 03909

    $65,000
    528 sqft

    Second-floor office condo with two private offices, a reception/waiting area, and a private bathroom.

    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.

    Downtown Waterfront Land with Riparian Rights
    Downtown Waterfront Land with Riparian Rights

    Cocheco Street, Dover, NH 03820

    $3,750,000
    1.30 AC lot

    Riverfront land offering riparian rights with deepwater docking access to Great Bay and the Atlantic.

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    Commercial Industrial Land with Road Frontage
    Commercial Industrial Land with Road Frontage

    Old Concord Turnpike/US RT 4, Barrington, NH 03823

    $650,000
    8.23 AC lot

    Commercial and industrial land with extensive road frontage along a busy corridor for flexible development planning.

    View details
    3.2 Acres on Route 1
    3.2 Acres on Route 1

    532 Elm Street, US Route 1, Biddeford, ME 04005

    $895,000
    139,392.00 AC lot

    3.2 acres on Route 1 in Biddeford, Maine.

    View details
    Methuen Historic District Land Opportunity
    Methuen Historic District Land Opportunity

    281 Broadway, Methuen, MA 01844

    $750,000
    0.50 AC lot

    Half acre in historic district near I-93 and New Hampshire.

    View details

    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
    CONDOMINIUM OFFICES

    500 Market St, Portsmouth, NH 03801-3456

    Unit 1G
    Value Estimation by Request
    1,071 sqft
    View details
    8 Greenleaf Woods Dr
    CONDOMINIUM OFFICES

    8 Greenleaf Woods Dr, Portsmouth, NH 03801-5454

    $4,940,000
    Estimated value
    33,988 sqft
    View details
    600 State St Ste, Unit 4
    CONDOMINIUM OFFICES

    600 State St Ste, Portsmouth, NH 03801-4370

    Unit 4
    Value Estimation by Request
    1,209 sqft
    View details
    100 Griffin Rd, Unit A
    CONDOMINIUM OFFICES

    100 Griffin Rd, Portsmouth, NH 03801-7158

    Unit A
    $930,000
    Estimated value
    3,348 sqft
    View details
    150 Griffin Rd Ste, Unit 3
    CONDOMINIUM OFFICES

    150 Griffin Rd Ste, Portsmouth, NH 03801-7131

    Unit 3
    $1,340,000
    Estimated value
    5,465 sqft
    View details
    150 Griffin Rd Ste, Unit 1
    CONDOMINIUM OFFICES

    150 Griffin Rd Ste, Portsmouth, NH 03801-7131

    Unit 1
    $1,190,000
    Estimated value
    4,754 sqft
    View details
    1 Cate St, Unit 3A
    CONDOMINIUM OFFICES

    1 Cate St, Portsmouth, NH 03801-7108

    Unit 3A
    $610,000
    Estimated value
    2,560 sqft
    View details
    100 Griffin Rd, Unit C
    CONDOMINIUM OFFICES

    100 Griffin Rd, Portsmouth, NH 03801-7158

    Unit C
    $1,055,000
    Estimated value
    4,570 sqft
    View details
    81 Nh Ave
    CONDOMINIUM OFFICES

    81 Nh Ave, Portsmouth, NH 03801-2864

    $4,595,000
    Estimated value
    15,387 sqft
    View details
    2 Greenleaf Woods Dr, Unit 301
    CONDOMINIUM OFFICES

    2 Greenleaf Woods Dr, Portsmouth, NH 03801-5438

    Unit 301
    Value Estimation by Request
    1,418 sqft
    View details
    6 Greenleaf Woods Dr, Unit 101
    CONDOMINIUM OFFICES

    6 Greenleaf Woods Dr, Portsmouth, NH 03801-5443

    Unit 101
    Value Estimation by Request
    1,418 sqft
    View details
    100 Griffin Rd, Unit B
    CONDOMINIUM OFFICES

    100 Griffin Rd, Portsmouth, NH 03801-7158

    Unit B
    $1,470,000
    Estimated value
    4,960 sqft
    View details
    500 Market St, Unit 1E
    CONDOMINIUM OFFICES

    500 Market St, Portsmouth, NH 03801-3456

    Unit 1E
    Value Estimation by Request
    1,029 sqft
    View details
    53 Grn St
    OFFICE BUILDING

    53 Grn St, Portsmouth, NH 03801-3735

    $5,800,000
    Estimated value
    20,849 sqft 1.81 AC lot
    View details

    Portsmouth, NH Office Spaces Market Trends and Statistics

    Explore 72 office spaces for sale in Portsmouth, NH, showcased through 10 active listings on our real estate platform. These investment opportunities span a total of 7,312 square feet of properties for sale, with an estimated market value of $4,434,160.

    Sale prices for office spaces in Portsmouth, NH start at $94,160, averaging $1,108,540, and reaching up to $3,440,000 — 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Office Units 83
    Medical Office Space 12
    Creative space 8
    Office buildings 7
    Coworking space 5

    Demographics Overview

    Population 23K
    Population Growth (5Y) +2.9%
    Median Household Income $106,520
    College Educated 17.1%

    High-Yield Neighborhoods for Investment

    Identify Portsmouth submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    03801 $993.4K

    Taxes & Financing

    Tax Rate (average for all types) 1.49%
    Property Tax per SF $10.47 per SF
    Tax Rate vs County Average 0.23 pp below county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Rockingham County

    New Delisted

    Total CRE Inventory on Market (SF)

    Property Size Breakdown

    The majority of commercial real estate listings in Portsmouth fall within the 100,000+ square foot range.

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