Portsmouth, NH Office Spaces for Rent

Find your best Portsmouth, NH office space among 33 for rent listings, which average an asking price of $31.07 per square foot.

Office Market FAQs

1000 Market Street, Bldg. 2

1000 Market Street, Building 2, Bersum Gardens, PORTSMOUTH, NH
Property

Office

28,871 SF
Availability

2 Spaces

7,200 SF
For Lease

$25.00/SF/YR
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Portsmouth
Regus
170 Commerce Way Suite 200, Portsmouth, NH
Services

Virtual Office

Open Workspace

Private Office

Dedicated Desk
Amenities

24/7 security

Access to global network

Business address

Business lounge

Cleaning services

Ergonomic furniture

Lounge area

Mail services

Money-back guarantee

Office furniture
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273 Corporate Drive

273 Corporate Drive, Sherburne, Portsmouth, NH
Property

Office

100,000 SF
Availability

1 Space

16,027 SF
Year Built

2001
For Lease

$19.50/SF/YR
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Jackson Gray Building

330 Borthwick Avenue, Meadowbrook, Portsmouth, NH
Property

Office

55,200 SF
Availability

3 Spaces

4,726 SF
Year Built

1986
For Lease

$19.75/SF/YR
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Orchard Park

875 Greenland Road, Meadowbrook, Portsmouth, NH
Property

Office

46,098 SF
Availability

1 Space

2,500 SF
Year Built

1985
For Lease

$12.00/SF/YR
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Pease International Tradeport

325 Corporate Drive, Sherburne, Portsmouth, NH
Property

Office

100,928 SF
Availability

1 Space

100,928 SF
Year Built

2001
For Lease

$17.75/SF/YR
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Portsmouth Office Park - 210 Commerce Way

210 Commerce Way, Wentworth Acres, Portsmouth, NH
Property

Office

50,400 SF
Availability

2 Spaces

5,026 SF
Year Built

1989
For Lease

$19.50/SF/YR
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215 Commerce Way

215 Commerce Way, Wentworth Acres, Portsmouth, NH
Property

Office

40,000 SF
Availability

1 Space

12,336 SF
Year Built

1990
For Lease

$16.50/SF/YR
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145 Portsmouth Ave.

145 Maplewood Ave, North Mill Pond, Portsmouth, NH
Property

Office

73,731 SF
Availability

2 Spaces

10,482 SF
Year Built

2020
For Lease

$37.00/SF/YR
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100 Market Street

100 Market Street, North Mill Pond, Portsmouth, NH
Property

Office

57,455 SF
Availability

2 Spaces

8,676 SF
Year Built

1999
For Lease

$29.00/SF/YR
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4 Greenleaf Woods Drive- offices

4 Greenleaf Woods Drive, Elwyn Park, Portsmouth, NH
Property

Office

100 SF
Availability

2 Spaces

101 SF
Year Built

1987
For Lease

$400.00 - $2,250.00/MO
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426 Middle Street

426 Middle Street, Downtown Portsmouth, Portsmouth, NH
Property

Office

640 SF
Availability

1 Space

640 SF
Year Built

1830
For Lease

$1,850.00/MO
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Portsmouth Office Park - 135 Commerce Way

135 Commerce Way, Wentworth Acres, Portsmouth, NH
Property

Office

57,600 SF
Availability

2 Spaces

26,594 SF
Year Built

1990
For Lease

$19.50/SF/YR
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111 New Hampshire Avenue

111 New Hampshire Avenue, Sherburne, Portsmouth, NH
Property

Office

74,134 SF
Availability

1 Space

56,488 SF
Year Built

2007
For Lease

$11.95 - $14.00/SF/YR
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Portsmouth Office Park - 230 Commerce Way

230 Commerce Way, Wentworth Acres, Portsmouth, NH
Property

Office

50,400 SF
Availability

1 Space

4,930 SF
Year Built

1997
For Lease

$18.50/SF/YR
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Versatile Office Space in Portsmouth, NH

500 Maplewood Avenue, Bersum Gardens, Portsmouth, NH
Property

Office

8,202 SF
Availability

1 Space

8,202 SF
Year Built

1945
For Lease

$10.48/SF/YR
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1950 Lafayette Road
New England Office Space
1950 Lafayette Road, Portsmouth, NH
Services

Meeting Room

Private Office
Amenities

Accessible

Beverage services

Business address

Directory listing

Elevator

Fax services

High-speed internet

High-speed wifi

Kitchen

Mail services
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155 Fleet Street
Ohive
155 Fleet Street, Portsmouth, NH
Services

Virtual Office

Open Workspace

Meeting Room

Private Office

Dedicated Desk
Amenities

Bike storage

Complimentary coffee & tea

Free water

High-speed wifi

IT support

Kitchen

Mail services

Parking

Printer

Receptionist/Secretarial services
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West End Office Condominium

1 Cate St, North Mill Pond, Portsmouth, NH
Property

Office
Availability

1 Space

2,898 SF
For Lease

$20.00/SF/YR
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Inexpensive Office Space

170 West Rd, Elwyn Park, Portsmouth, NH
Property

Office
Availability

1 Space

204 SF
Year Built

1985
For Lease Contact for pricing
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Waterfront Office Space

127 Parrott Ave, Haymarket Square, Portsmouth, NH
Property

Office
Availability

1 Space

2,470 SF
Year Built

1952
For Lease

$30.00/SF/YR
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Modern Office Suite

755 Banfield Rd, Hillcrest, Portsmouth, NH
Property

Office
Availability

1 Space

2,875 SF
Year Built

2003
For Lease

$12.00/SF/YR
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7 Portwalk Place
Portwalk Place Cowork
7 Portwalk Place, Portsmouth, NH
Services

Open Workspace

Meeting Room

Private Office

Dedicated Desk
Amenities

Business address

Cleaning services

Ergonomic furniture

High-speed wifi

Parking

Premium coffee

Printer

Professional & social events

Standing desks
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Modern Class A Office Space

300 Constitution Ave, Hillcrest, Portsmouth, NH
Property

Office
Availability

1 Space

11,412 SF
Year Built

2013
For Lease

$12.00/SF/YR
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Office Space at Pease

30 International Drive, Sherburne, Portsmouth, NH
Property

Office
Availability

1 Space

5,793 SF
Year Built

1960
For Lease

$10.00/SF/YR
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100 Borthwick Ave., Portsmouth, NH

100 Borthwick Ave, Meadowbrook, Portsmouth, NH
Property

Office

47,745 SF
Availability

6 Spaces

42,827 SF
Year Built

1978
For Lease

$28.00/SF/YR
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183 International Drive

183 International Drive, Sherburne, Portsmouth, NH
Property

Office

57,682 SF
Availability

1 Space

14,800 SF
Year Built

2013
For Lease

$17.00/SF/YR
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36 Maplewood Avenue
COVE
36 Maplewood Avenue, Portsmouth, NH
Services

Virtual Office

Open Workspace

Meeting Room

Private Office

Dedicated Desk
Amenities

Breakout spaces

Business address

Fax services

Kitchen

Lockers

Mail services

Office furniture

Premium coffee

Printer

Privacy booths
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Fully Furnished Office Space

135 Commerce Way, Wentworth Acres, Portsmouth, NH
Property

Office
Availability

1 Space

9,034 SF
Year Built

1990
For Lease Contact for pricing
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130 International Drive

130 International Drive, Sherburne, Portsmouth, NH
Property

Industrial

50,687 SF
Availability

2 Spaces

50,687 SF
Year Built

2002
For Lease

$11.95 - $14.00/SF/YR
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Frequently Asked Questions

Asking prices vary based on the property location, rating, amenities such as proximity to restaurants, cafes, and entertainment venues, as well as convenience of access to public transport, airports, and thoroughfares.

The average rent for office space in Portsmouth is $31.07 per square foot. The minimum rental rate for office space in Portsmouth is $10 per square foot. Among listings of office space currently available for lease in Portsmouth, the maximum rental rate is $37 per square foot.

For more details on Portsmouth office space rent and sales prices, as well as overall market quality and new construction data, see Portsmouth Office Market Trends.

Most experts recommend an average of between 75 and 150 square feet of office space per person. However, it is important to keep in mind that how much office space you ultimately need depends on your activity and how you need to use the space, as much as it does on how many people it should accommodate. If you already know what size office would best suit your needs, use the available space size filter at the top of the search page to focus your search on the best fit for you.

You’ll find a home for almost any size of business in Portsmouth, as the local office market offers a wide range of options. Office spaces currently on the market go up to as much as 100,928 square feet in size for an individual listing.
However, there is a variety of differently sized opportunities below that maximum. For your consideration, the median size of an office space for lease in Portsmouth is 4,968 square feet, and the average office space size here is 10,106 square feet.

You can find 33 office listing(s) for lease in Portsmouth, which add up to a total of 333,489 square feet. Availability on the market includes a variety of office use types, such as General Office, Medical Office, Shared Space, Warehouse/Distribution, Data Center.

The most common office use type currently available for lease in Portsmouth is General Office, which is offered in 23 or 69.70% of listings. The second-most frequent office use type listed here is Medical Office, which account for 3 or 9.09% of office space currently available. On the other end of the spectrum, the office use type least common among local listings is Flex Space, which is available in 1 listing(s).

You can search 2 office sublease listing(s) in Portsmouth, which amount to a total of 109,962 square feet. Sublease opportunities on the market include General Office, Data Center, Flex - Office. The Portsmouth neighborhood or submarket with the most sublease listings available is Wentworth Acres.

The best choice of neighborhood for your office space will greatly depend on the elements that are most relevant to your business and your employees. However, a good criterion to start with is to look at the areas of the city that have the highest concentration of office properties, as these areas are generally well connected to transit options and have a good degree of amenity availability.

In Portsmouth, the greatest concentration of office space for lease opportunities is in Meadowbrook, Wentworth Acres, North Mill Pond.

Each individual’s commuting experience will of course be different depending on a number of factors. Check the location description details for the office listings that catch your eye, to get an overview of walkability, access to public transport, the quality of infrastructure dedicated to biking commuters, as well as the proximity to parking facilities, fuel stations, and other essential amenities.

The Portsmouth office market incorporates a mix of properties of various ages, ratings, construction grades, and other quality indicators. Roughly 39.39% of total office space listings in the city are in properties rated Class A. You will find the highest concentration of Class A office space in the Meadowbrook neighborhood of Portsmouth. Class B office space accounts for 30.3% of spaces listed on the leasing market. The neighborhood with the most Class B office space is Wentworth Acres. Class C office space makes up 6.06% of office space available in Portsmouth.

Buildings completed in and since the year 2000 account for 27.27% of office properties in the city and incorporate a total of 348,793 square feet. About 22.73% of office space in Portsmouth is in buildings that have been renovated at least once since 2000.

There are, of course, a lot of things to factor in when you are looking for office space. Aspects including the accessibility of the location, the quality of the facility, the size of the space, the convenience of nearby amenities, the type and duration of the lease, and of course the cost are all part of the search and decision process. For a quick checklist of what you should take into account when researching the market, consider these seven tips for choosing the best office location for your business. Alternatively, for a comprehensive take on everything to consider when looking for office space, see our in-depth guide to finding office space for small or growing companies. The guide also includes insights from seasoned professionals and can serve as a helpful resource for growing companies, no matter their current size.

Are you looking to lease office space in the vicinity of your current location or in a particular neighborhood of Portsmouth? Using the interactive map, you can easily navigate to your preferred location and customize your search area around a specific point of interest. Select “Radius” from the Search Mode options menu, click on the map to set your search reference point, and expand the radius to select your desired search area. Browse available listings to find the best office space that meets your location, as well as other business needs.

Portsmouth, NH Office Inventory Breakdown

There are a number of factors that make a city attractive for businesses to relocate or expand, as well as for investors to enhance their portfolios through local acquisitions. Among the most important factors to consider are the size and quality of the local office market, which is an essential component of the local economy.

Total Office Space in Portsmouth: 3,150,759 Sq. Ft.

In 2024 the Portsmouth office market encompassed 3,150,759 square feet of space.
Class A office space makes up a 23.61% share of Portsmouth office inventory, while Class B office assets represent roughly 66.43% of the market total.

Portsmouth Office Market Breakdown by Building Size
Building Size Range	Total Square Feet	Share of Total Office
50k to 100k Sq. Ft.	1,275,446 Sq. Ft.	40.48%
100k to 500k Sq. Ft.	1,346,855 Sq. Ft.	42.75%

Portsmouth Office Market Breakdown by Building Quality Rating
Class	Total Square Feet	Share of Total Office
Class A	743,944 Sq. Ft.	23.61%
Class B	2,092,897 Sq. Ft.	66.43%
Class C	313,918 Sq. Ft.	9.96%

Data was provided by CommercialEdge, refers to properties larger than 50,000 square feet.

Portsmouth, NH Office Spaces for Rent

1000 Market Street, Bldg. 2

Portsmouth

273 Corporate Drive

Jackson Gray Building

Orchard Park

Pease International Tradeport

Portsmouth Office Park - 210 Commerce Way

215 Commerce Way

145 Portsmouth Ave.

100 Market Street

4 Greenleaf Woods Drive- offices

426 Middle Street

Portsmouth Office Park - 135 Commerce Way

111 New Hampshire Avenue

Portsmouth Office Park - 230 Commerce Way

Versatile Office Space in Portsmouth, NH

1950 Lafayette Road

155 Fleet Street

West End Office Condominium

Inexpensive Office Space

Waterfront Office Space

Modern Office Suite

7 Portwalk Place

Modern Class A Office Space

Office Space at Pease

100 Borthwick Ave., Portsmouth, NH

183 International Drive

36 Maplewood Avenue

Fully Furnished Office Space

130 International Drive

Frequently Asked Questions

Portsmouth, NH Office Inventory Breakdown

Total Office Space in Portsmouth: 3,150,759 Sq. Ft.

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Portsmouth, NH Office Spaces for Rent

Frequently Asked Questions

How much does office space cost in Portsmouth, NH?

How much office space do I need?

What types of office space can I lease in Portsmouth, NH?

Can I find sublease office space in Portsmouth, NH?

Where is the best location for office space in Portsmouth, NH?

How long is the average commute to work in Portsmouth, NH?

Where can I find the highest quality office space in Portsmouth, NH?

How do I find the best office space in Portsmouth, NH?

How can I find office space for rent near me?

Portsmouth, NH Office Inventory Breakdown

Total Office Space in Portsmouth: 3,150,759 Sq. Ft.

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Popular Commercial Searches

About us