Portsmouth, NH Commercial Real Estate for Sale

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Rye, NH Greenland, NH North Hampton, NH

18 properties

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Updated: May 6

Downtown Portsmouth Commercial Condominium

40 Bridge Street Unit 101, Portsmouth, NH 03801

$2,350,000

3,798 sqft

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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Updated: Apr 22

Mixed-Use Corner Building

8 Bow Street, Portsmouth, NH 03801

$4,200,000

4,101 sqft · 0.03 AC lot

Mixed‑use building with 4 residential units and 1 commercial unit on a visible downtown corner in Portsmouth
Commercial space occupied by Bangor Savings Bank
Renovated throughout in 2017–2018 with historical masonry walls and exposed wooden beams
Four residential units include full kitchens and feature wooden floors and large replacement windows
Top‑floor units offer vaulted ceilings with lofted bedrooms plus windows and skylights

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Medical Office Condominium Across Hospital

330 Borthwick Ave 210, Portsmouth, NH 3801

$550,000

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

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Retail Condominium Unit

135 Market Street, Unit G, Portsmouth, NH 3801

$715,000

994 sqft

Leased retail condo in a well-maintained building with prominent signage along Market Street.

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Downtown Portsmouth Commercial Investment Opportunity

54-64 Maplewood Ave, Portsmouth, NH 3801

$3,440,000

4,862 sqft

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

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Historic Portsmouth Office Building For Sale

144 Washington St, Portsmouth, NH 3801

$3,300,000

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

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Restaurant Opportunity in Portsmouth

155 Congress St, Portsmouth, NH 3801

$275,000

Restaurant with high foot traffic and excellent visibility.

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Waterfront Lot Near Downtown Portsmouth

94 Langdon St, Portsmouth, NH 3801

$1,000,000

0.16 AC lot

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

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Portsmouth Mixed-Use Historical Gem

8 Bow St, Portsmouth, NH 3801

$4,200,000

Renovated mixed-use building with residential and commercial units.

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Mixed-Use Development in Portsmouth

266 State St, Portsmouth, NH 3801

$4,200,000

Mixed-use development with retail and luxury residences in Portsmouth.

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Mixed-Use Investment Opportunity

165-172 Hanover Street, Portsmouth, NH 3801

$4,800,000

12,780 sqft

Mixed-use property with income and growth potential in downtown location.

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Waterfront Lot Near Downtown

98 Cornwall St, Portsmouth, NH 3801

$1,000,000

0.41 AC lot

Expansive waterfront lot near downtown Portsmouth with versatile potential.

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Compact Medical Office Condo

230 Lafayette Rd Unit 11D, Portsmouth, NH 3801

$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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Mixed-Use Multi-Tenant Property

93 -101 Market St, Portsmouth, NH 3801

$5,300,000

12,064 sqft

Premier mixed-use, multi-tenant property with 12,064 square feet.

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Former Bank with Drive-Thru

163 deer street, Portsmouth, NH

Contact for pricing

4,500 sqft · 0.42 AC lot

Downtown Portsmouth retail space with drive-thru, available Spring 2025.

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Historic Portsmouth Mixed-Use Gem

56 Market Street, Portsmouth, NH 3801

$3,500,000

10,434 sqft

Historic mixed-use property in Portsmouth with commercial and residential spaces.

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Portsmouth Office Condo For Sale

500 Market Street, Portsmouth, NH 3801

$450,000

1,071 sqft

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

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Renovated Office Condominium Unit

118 Maplewood Avenue, Portsmouth, NH 3801

$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 Potential Opportunities for your consideration. Besides 18 Active Listings in Portsmouth, NH, we suggest to view alternatives - similar 54 Off-Market properties to explore as potential leads.

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.

OFFICE/RESIDENTIAL (MIXED USE)

48 Market St, Portsmouth, NH 03801

Value Estimation by Request

3,655 sqft · 0.03 AC lot

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RESTAURANT

238 Deer St, Portsmouth, NH 03801-3905

Value Estimation by Request

4,000 sqft · 0.14 AC lot

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CONDOMINIUM OFFICES

500 Market St, Portsmouth, NH 03801-3456

Unit 1G

Value Estimation by Request

1,071 sqft

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RETAIL STORES (PERSONAL SERVICES)

70 Maplewood Ave, Portsmouth, NH 03801-3712

$1,880,000

Estimated value

7,200 sqft · 0.52 AC lot

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CONDOMINIUM OFFICES

8 Greenleaf Woods Dr, Portsmouth, NH 03801-5454

$4,940,000

Estimated value

33,988 sqft

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OFFICE/RESIDENTIAL (MIXED USE)

1155 Sagamore Ave, Portsmouth, NH 03801-5503

Value Estimation by Request

3,900 sqft · 0.69 AC lot

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Portsmouth, NH Commercial Real Estate Market Trends and Statistics

Explore 72 commercial real estate for sale in Portsmouth, NH, showcased through 18 active listings on our real estate platform. These investment opportunities span a total of 68,988 square feet of properties for sale, with an estimated market value of $32,508,320.

Sale prices for business properties in Portsmouth, NH start at $94,160, averaging $1,806,017, and reaching up to $5,300,000 — 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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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	$2M

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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