128 Office Spaces for Rent in Portland, ME

Find your best Portland, ME office space among 128 for rent listings, which average an asking price of $19.13 per square foot.

Office Market FAQs

ME, Portland - Congress
Regus
400 Congress Street #300, Portland, ME
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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Two City Center

Two City Center, Downtown Portland, Portland, ME
Property

Office

26,753 SF
Availability

1 Space

4,129 SF
Year Built

1983
For Lease

$24.50/SF/YR
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16 Middle Street, Unit 302, Portland

16 Middle Street, West Bayside, Portland, ME
Property

Office

5,374 SF
Availability

1 Space

5,374 SF
Year Built

2017
For Lease

$23.00/SF/YR
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631 Stevens Avenue, Portland

631 Stevens Avenue, Deering Center, Portland, ME
Property

Office

68,522 SF
Availability

1 Space

1,361 SF
For Lease

$2,100.00/MO
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510 Congress Street

510 Congress Street, Downtown Portland, Portland, ME
Property

Office

93,358 SF
Availability

2 Spaces

19,970 SF
For Lease

$11.75/SF/YR
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Flex/Office, Light Industrial Space

108A Industrial Way, Riverton, Portland, ME
Property

Industrial

13,000 SF
Availability

1 Space

13,000 SF
Year Built

1999
For Lease

$12.00/SF/YR
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One City Center

1 City Center, Downtown Portland, Portland, ME
Property

Office

210,000 SF
Availability

7 Spaces

35,413 SF
Year Built

1987
For Lease

$23.00/SF/YR
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1 Monument Square

1 Monument Square, Downtown Portland, Portland, ME
Property

Office

124,658 SF
Availability

1 Space

4,544 SF
Year Built

1970
For Lease

$23.00/SF/YR
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1 Davis Farm Road

1 Davis Farm Road, Riverton, Portland, ME
Property

Office

70,186 SF
Availability

1 Space

48,897 SF
Year Built

1974
For Lease Contact for pricing
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The Cannery

14 York Street, Downtown Portland, Portland, ME
Property

Office

32,670 SF
Availability

1 Space

2,522 SF
Year Built

1996
For Lease

$21.50/SF/YR
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Lancaster Block

50 Monument Square, Downtown Portland, Portland, ME
Property

Office

35,910 SF
Availability

4 Spaces

11,743 SF
Year Built

1881
For Lease

$18.90/SF/YR
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45 Exchange Street

45 Exchange Street, Downtown Portland, Portland, ME
Property

Office

25,071 SF
Availability

2 Spaces

4,140 SF
Year Built

1900
For Lease

$18.75/SF/YR
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Stroudwater Crossing

1685 Congress Street, Libbytown, Portland, ME
Property

Office

30,548 SF
Availability

1 Space

4,179 SF
Year Built

1986
For Lease

$14.00/SF/YR
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Downtown Office Space

565 Congress Street, Downtown Portland, Portland, ME
Property

Office

54,544 SF
Availability

5 Spaces

3,907 SF
Year Built

1900
For Lease

$15.00 - $19.25/SF/YR
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One Canal Plaza

1 Canal Plaza, Downtown Portland, Portland, ME
Property

Office

129,780 SF
Availability

4 Spaces

24,082 SF
Year Built

1973
For Lease

$30.00/SF/YR
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121 Middle Street

121 Middle Street, Downtown Portland, Portland, ME
Property

Office

34,622 SF
Availability

2 Spaces

11,393 SF
Year Built

1867
For Lease

$21.75 - $45.00/SF/YR
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48 Free Street

48 Free Street, Downtown Portland, Portland, ME
Property

Office

33,000 SF
Availability

2 Spaces

4,231 SF
Year Built

1985
For Lease Contact for pricing
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Three Canal Plaza

3 Canal Plaza, Downtown Portland, Portland, ME
Property

Office

64,495 SF
Availability

3 Spaces

15,876 SF
Year Built

1980
For Lease

$23.56 - $27.00/SF/YR
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Old Port Class A Office Space

One Portland Square, Downtown Portland, Portland, ME
Property

Office

186,230 SF
Availability

3 Spaces

26,920 SF
Year Built

1987
For Lease

$10.00 - $28.00/SF/YR
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30 Danforth Street

30 Danforth Street, Downtown Portland, Portland, ME
Property

Office

70,000 SF
Availability

2 Spaces

5,788 SF
Year Built

1905
For Lease Contact for pricing
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High Visibility Office/Retail Space

55 Washington Avenue, East End Portland, Portland, ME
Property

Office

132,430 SF
Availability

1 Space

7,815 SF
Year Built

1920
For Lease

$21.06/SF/YR
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Professional Office Suite

970 Baxter Blvd, Back Cove, Portland, ME
Property

Office

30,807 SF
Availability

1 Space

2,205 SF
Year Built

2000
For Lease

$16.00/SF/YR
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For Lease | Retail/Flex Space

503-509 Forest Avenue, Oakdale, Portland, ME
Property

Office

73,750 SF
Availability

3 Spaces

19,000 SF
For Lease

$10.00/SF/YR
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12 Mountfort Street

12 Mountfort Street, West Bayside, Portland, ME
Property

Office

170,000 SF
Availability

5 Spaces

49,607 SF
Year Built

2022
For Lease

$26.00 - $30.00/SF/YR
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183 Middle Street, Portland

183 Middle Street, Downtown Portland, Portland, ME
Property

Office

18,060 SF
Availability

1 Space

1,614 SF
For Lease

$18.75/SF/YR
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Premier Suburban Office Building

2211 Congress Street, Stroudwater, Portland, ME
Property

Office

292,322 SF
Availability

4 Spaces

44,747 SF
Year Built

1970
For Lease

$21.00 - $23.00/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 Portland is $19.13 per square foot. The minimum rental rate for office space in Portland is $16 per square foot. Among listings of office space currently available for lease in Portland, the maximum rental rate is $30 per square foot.

The most common factor that influences cost of office space in any location is the property class rating. For example, Portland office space rated Class A asks an average of $10.00 per square foot. Class B office space in Portland costs $19.33 per square foot, on average.

For more details on Portland office space rent and sales prices, as well as overall market quality and new construction data, see Portland 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 Portland, as the local office market offers a wide range of options. Office spaces currently on the market go up to as much as 48,897 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 Portland is 2,974 square feet, and the average office space size here is 4,678 square feet.

You can find 128 office listing(s) for lease in Portland, which add up to a total of 593,187 square feet. Availability on the market includes a variety of office use types, such as General Office, Flex - Office, Street Retail.

The most common office use type currently available for lease in Portland is General Office, which is offered in 91 or 71.09% of listings. The second-most frequent office use type listed here is Flex - Office, which account for 9 or 7.03% of office space currently available.

You can search 4 office sublease listing(s) in Portland, which amount to a total of 24,450 square feet. Sublease opportunities on the market include General Office, Flex - Office, Street Retail. The Portland neighborhood or submarket with the most sublease listings available is Downtown Portland.

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 Portland, the greatest concentration of office space for lease opportunities is in Downtown Portland, West Bayside, East Deering.

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 Portland office market incorporates a mix of properties of various ages, ratings, construction grades, and other quality indicators. Roughly 39.84% 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 Downtown Portland neighborhood of Portland. Class B office space accounts for 37.5% of spaces listed on the leasing market. The neighborhood with the most Class B office space is Downtown Portland. Class C office space makes up 6.25% of office space available in Portland.

Buildings completed in and since the year 2000 account for 6.67% of office properties in the city and incorporate a total of 211,555 square feet. About 8.33% of office space in Portland is in buildings that have been renovated at least once since 2000.

Across the city, about 1% of office space is green, which amounts to 6,399,482 square feet.

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 Portland? 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.

Portland, ME 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 Portland: 7,767,741 Sq. Ft.

In 2024 the Portland office market encompassed 7,767,741 square feet of space.
Class A office space makes up a 36.85% share of Portland office inventory, while Class B office assets represent roughly 51.77% of the market total.

Portland Office Market Breakdown by Building Size
Building Size Range	Total Square Feet	Share of Total Office
50k to 100k Sq. Ft.	2,187,329 Sq. Ft.	28.16%
100k to 500k Sq. Ft.	3,474,928 Sq. Ft.	44.74%

Portland Office Market Breakdown by Building Quality Rating
Class	Total Square Feet	Share of Total Office
Class A	2,862,254 Sq. Ft.	36.85%
Class B	4,021,274 Sq. Ft.	51.77%
Class C	419,114 Sq. Ft.	5.4%

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

Portland, ME Green Office Space

One of the most important aspects of quality regarding modern office space is the use of sustainable building practices. Green certification is one of the most employed methods used to quantify that in any real estate market.
Roughly 1% of the total Portland office inventory - adding up to 6,399,482 square feet - is classified as green office space.

Portland Office Market Breakdown by Green Certification
Total Square Feet	Total Green Square Feet	Green Share of Total
6,399,482 Sq. Ft.	57,572 Sq. Ft.	1%

1% Green

Green Office Inventory

Data was provided by CommercialEdge and refers to properties larger than 25,000 square feet.

From Bustling Hubs to University Towns, Here Are the Northeast’s Best Metros for Tech

The Portland, ME metropolitan area earned a top five score among the best tech metros in the Northeastern U.S., boasting one of the highest growths in local tech employment, as well as for median earnings in the sector.

About us

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128 Office Spaces for Rent in Portland, ME

ME, Portland - Congress

Two City Center

16 Middle Street, Unit 302, Portland

631 Stevens Avenue, Portland

510 Congress Street

Flex/Office, Light Industrial Space

One City Center

1 Monument Square

1 Davis Farm Road

The Cannery

Lancaster Block

45 Exchange Street

Stroudwater Crossing

Downtown Office Space

One Canal Plaza

121 Middle Street

48 Free Street

Three Canal Plaza

Old Port Class A Office Space

30 Danforth Street

High Visibility Office/Retail Space

Professional Office Suite

For Lease | Retail/Flex Space

12 Mountfort Street

183 Middle Street, Portland

Premier Suburban Office Building

Frequently Asked Questions

Portland, ME Office Inventory Breakdown

Total Office Space in Portland: 7,767,741 Sq. Ft.

Portland, ME Green Office Space

Other Popular Searches

Popular Coworking Searches

Portland, ME in the news

From Bustling Hubs to University Towns, Here Are the Northeast’s Best Metros for Tech

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128 Office Spaces for Rent in Portland, ME

Frequently Asked Questions

How much does office space cost in Portland, ME?

How much office space do I need?

What types of office space can I lease in Portland, ME?

Can I find sublease office space in Portland, ME?

Where is the best location for office space in Portland, ME?

How long is the average commute to work in Portland, ME?

Where can I find the highest quality office space in Portland, ME?

How do I find the best office space in Portland, ME?

How can I find office space for rent near me?

Portland, ME Office Inventory Breakdown

Total Office Space in Portland: 7,767,741 Sq. Ft.

Portland, ME Green Office Space

Other Popular Searches

Popular Coworking Searches

Portland, ME in the news

From Bustling Hubs to University Towns, Here Are the Northeast’s Best Metros for Tech

About us