112 Office Spaces for Rent in Portland, ME

Find your best Portland, ME office space among 112 listings, which average an asking price of $21.25 per square foot.

Chase Block 1853

217 Commercial Street, Downtown Portland, Portland, ME
For Lease

$24.75/SF/YR
Property

Office

28,815 SF
Availability

3 Spaces

4,286 SF
Year Built

1853
View Details (opens in new window)
Boyd Block & Four Canal Plaza

178 Middle Street, Downtown Portland, Portland, ME
For Lease

$27.00/SF/YR
Property

Office

68,000 SF
Availability

1 Space

4,627 SF
Year Built

1867
View Details (opens in new window)
Merrill's Wharf

254 Commercial St, Downtown Portland, Portland, ME
For Lease

$24.00/SF/YR
Property

Office

95,000 SF
Availability

1 Space

1,025 SF
View Details (opens in new window)
For Lease | Retail/Flex Space

503-509 Forest Avenue, Oakdale, Portland, ME
For Lease

$10.00/SF/YR
Property

Office

73,750 SF
Availability

3 Spaces

19,000 SF
View Details (opens in new window)
57 Exchange Street

57 Exchange Street, Downtown Portland, Portland, ME
For Lease

$18.75/SF/YR
Property

Office

32,800 SF
Availability

3 Spaces

8,375 SF
Year Built

1900
View Details (opens in new window)
631 Stevens Avenue, Portland

631 Stevens Avenue, Deering Center, Portland, ME
For Lease

$2,100.00/MO
Property

Office

68,522 SF
Availability

1 Space

1,361 SF
View Details (opens in new window)
Post Office Square

400 Congress Street, Downtown Portland, Portland, ME
For Lease

$18.50/SF/YR
Property

Office

126,435 SF
Availability

2 Spaces

7,873 SF
View Details (opens in new window)
One Canal Plaza

1 Canal Plaza, Downtown Portland, Portland, ME
For Lease

$30.00/SF/YR
Property

Office

129,780 SF
Availability

4 Spaces

24,082 SF
Year Built

1973
View Details (opens in new window)
Retail & Office Space

144 State Street, Westside Portland, Portland, ME
For Lease

$20.00 - $26.00/SF/YR
Property

Retail

98,309 SF
Availability

3 Spaces

6,143 SF
Year Built

1941
View Details (opens in new window)
Office Space

22 Free Street, Downtown Portland, Portland, ME
For Lease

$23.00/SF/YR
Property

Office

38,532 SF
Availability

1 Space

1,358 SF
Year Built

1900
View Details (opens in new window)
Not finding the right space?

Tell us where and what you're looking for and the brokers will come to you
ME, Portland - Congress
Regus
400 Congress Street #300, Portland, ME
Services

Virtual Office

Open Workspace

Private Office

Dedicated Desk
Amenities

Access to global network

Business lounge

Cleaning services

Ergonomic furniture

High-speed wifi

Mail services

Printer

Receptionist/Secretarial services
View Details (opens in new window)
Downtown Class A Office Space

2 Portland Square, Downtown Portland, Portland, ME
For Lease

$28.00/SF/YR
Property

Office

177,118 SF
Availability

4 Spaces

37,282 SF
Year Built

1990
View Details (opens in new window)
1 Davis Farm Road

1 Davis Farm Road, Riverton, Portland, ME
For Lease

Contact for pricing
Property

Office

70,186 SF
Availability

1 Space

48,897 SF
Year Built

1974
View Details (opens in new window)
4 Milk Street

4 Milk Street, Downtown Portland, Portland, ME
For Lease

$18.00/SF/YR
Property

Office

32,886 SF
Availability

1 Space

1,746 SF
Year Built

1900
View Details (opens in new window)
Downtown Office Space

565 Congress Street, Downtown Portland, Portland, ME
For Lease

$825.00/MO
Property

Office

54,544 SF
Availability

1 Space

580 SF
Year Built

1900
View Details (opens in new window)
Office/Flex Space

400 Riverside Street, Riverton, Portland, ME
For Lease

$10.00/SF/YR
Property

Office

20,495 SF
Availability

1 Space

4,500 SF
Year Built

1984
View Details (opens in new window)
121 Middle Street

121 Middle Street, Downtown Portland, Portland, ME
For Lease

$21.75/SF/YR
Property

Office

34,622 SF
Availability

1 Space

8,911 SF
Year Built

1867
View Details (opens in new window)
510 Congress Street

510 Congress Street, Downtown Portland, Portland, ME
For Lease

$11.75/SF/YR
Property

Office

93,358 SF
Availability

2 Spaces

19,970 SF
View Details (opens in new window)
Two Monument Square

2 Monument Square, Downtown Portland, Portland, ME
For Lease

$22.00/SF/YR
Property

Office

122,000 SF
Availability

6 Spaces

21,206 SF
Year Built

1979
View Details (opens in new window)
Four Professional Office Suites

938 Forest Ave, Deering Center, Portland, ME
For Lease

$925.00 - $1,625.00/MO
Property

Office

2,637 SF
Availability

2 Spaces

1,700 SF
Year Built

1910
View Details (opens in new window)
For Lease | Class A Executive Office Suites

16 Middle Street, West Bayside, Portland, ME
For Lease

$1,000.00/MO
Property

Office

47,744 SF
Availability

4 Spaces

1,000 SF
Year Built

2017
View Details (opens in new window)
Downtown Office Space

48 Free Street, Downtown Portland, Portland, ME
For Lease

$13.64 - $20.00/SF/YR
Property

Office

30,158 SF
Availability

3 Spaces

9,312 SF
Year Built

1900
View Details (opens in new window)
41 Hutchins Drive

41 Hutchins Drive, Stroudwater, Portland, ME
For Lease

$12.00/SF/YR
Property

Office

52,227 SF
Availability

1 Space

38,227 SF
Year Built

1986
View Details (opens in new window)
The Cannery

14 York Street, Downtown Portland, Portland, ME
For Lease

$21.50/SF/YR
Property

Office

32,670 SF
Availability

2 Spaces

8,576 SF
Year Built

1996
View Details (opens in new window)
Downtown Office/Retail Space

21 Pleasant Street, Downtown Portland, Portland, ME
For Lease

$2,875.00/MO
Property

Office

7,380 SF
Availability

1 Space

1,200 SF
Year Built

1905
View Details (opens in new window)
Three Canal Plaza

3 Canal Plaza, Downtown Portland, Portland, ME
For Lease

$23.56 - $27.00/SF/YR
Property

Office

64,495 SF
Availability

3 Spaces

15,876 SF
Year Built

1980
View Details (opens in new window)

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 $21.25 per square foot. The minimum rental rate for office space in Portland is $14 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 $21.37 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 2,983 square feet , and the average office space size here is 5,303 square feet.

You can find 112 office listing(s) for lease in Portland, which add up to a total of 580,264 square feet. Availability on the market includes a variety of office use types, such as General Office, Flex - Office, Street Retail, Office Building, Shared Space.

The most common office use type currently available for lease in Portland is General Office, which is offered in 75 or 66.96% of listings. The second-most frequent office use type listed here is Flex - Office, which account for 9 or 8.04% of office space currently available. On the other end of the spectrum, the office use type least common among local listings is Street Retail, which is available in 1 listing(s).

You can search 5 office sublease listing(s) in Portland, which amount to a total of 46,173 square feet. Sublease opportunities on the market include General Office, Street Retail, Office Building. 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 37.5% 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 39.29% 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 5.36% of office space available in Portland.

Buildings completed in and since the year 2000 account for 18.85% of office properties in the city and incorporate a total of 1,341,527 square feet. About 1.64% 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. A total of 1 building(s) here earned a LEED-certification — certification level Gold (1). The local market includes 1 LEED-proposed office building(s) awaiting certification in Portland.

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: 7,761,674 Sq. Ft.

In 2023 the Portland office market encompassed 7,761,674 square feet of space.
Class A office space makes up a 36.88% share of Portland office inventory, while Class B office assets represent roughly 51.81% of the market total.

Portland Office Market Breakdown by Building Size
Building Size Range	Total Square Feet	Share of Total Office
100k to 500k Sq. Ft.	3,474,928 Sq. Ft.	44.77%

Portland Office Market Breakdown by Building Quality Rating
Class	Total Square Feet	Share of Total Office
Class A	2,862,254 Sq. Ft.	36.88%
Class B	4,021,274 Sq. Ft.	51.81%
Class C	439,820 Sq. Ft.	5.67%

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.

112 Office Spaces for Rent in Portland, ME

Chase Block 1853

Boyd Block & Four Canal Plaza

Merrill's Wharf

For Lease | Retail/Flex Space

57 Exchange Street

631 Stevens Avenue, Portland

Post Office Square

One Canal Plaza

Retail & Office Space

Office Space

ME, Portland - Congress

Downtown Class A Office Space

1 Davis Farm Road

4 Milk Street

Downtown Office Space

Office/Flex Space

121 Middle Street

510 Congress Street

Two Monument Square

Four Professional Office Suites

For Lease | Class A Executive Office Suites

Downtown Office Space

41 Hutchins Drive

The Cannery

Downtown Office/Retail Space

Three Canal Plaza

Frequently Asked Questions

Portland, ME Office Inventory Breakdown

Total Office Space in Portland: 7,761,674 Sq. Ft.

Portland, ME Green Office Space

Other Popular Searches

Popular Coworking Searches

About us

About Us

Our Tools

112 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: 7,761,674 Sq. Ft.

Portland, ME Green Office Space

Other Popular Searches

Popular Coworking Searches

About us