Portland, ME Office Spaces for Rent

Find your best Portland, ME office space among 72 for rent listings, which average an asking price of $23.03 per square foot.

Office Market FAQs

188 State St

188 State St, Parkside, Portland, ME
Space Type

Office
For Lease

$925.00/SF/YR
9 spaces available / 98 - 1,285 SF
View Details
Office Space

15 Franklin St, West Bayside, Portland, ME
Space Type

Office
For Lease

$19.75/SF/YR
1 space available / 13,492 SF
View Details
1 Dana Street

1 Dana Street, Parkside, Portland, ME
Space Type

Office
For Lease Contact for pricing

1 space available / 2,300 SF
View Details
901 Washington Ave

901 Washington Ave, North Deering, Portland, ME
Space Type

Office
For Lease Contact for pricing

1 space available / 32,289 SF
View Details

Frequently Asked Questions

In Portland, office spaces range from smaller units to larger options. On average, office spaces in this area tend to be about 6,450 square feet. However, the largest listings can go up to 120,000 square feet for an individual listing. This can give you a good starting point to compare with your needs.
In Portland, you have several options when it comes to leasing office space. To better understand what to look for, check out our definitive guide to finding office space for your small business or startup. Here is an overview of the most common types currently available:
- Most Common Office Type
  The most frequent subtype available for lease is General Office, which makes up 75.00% of all listings in the city.
- Second-Most Common Office Type
  The second-most common office space type listed here is Medical Office, accounting for 2.78% of available listings.
You can find a total of 72 listings for lease in Portland, which add up to a total of 470,799 square feet. Out of these listings, 5 are sublease listings, with the highest concentration of sublease listings being located in Downtown Portland
Generally, buildings completed since the year 2000 offer modern amenities, decor and services. This also applies to buildings that have been renovated within the same timeframe. Buildings completed in or after the year 2000 account for 8.89% of office properties in this city and incorporate a total of 315,236 square feet. Additionally, about 24.44% of office space in Portland is in buildings that have been renovated at least once since 2000.

Portland, ME Office Space for Rent

Office inventory

According to our listing data, Portland's office market contains 6.8M square feet of space as of 2026.

Portland Office Market Breakdown by Building Size
Building Size Range	Total Square Feet
50k to 100k Sq. Ft.	1.8M Sq. Ft.
100k to 500k Sq. Ft.	3.1M Sq. Ft.

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

Properties sized 100k to 500k Sq. Ft. make up most of the local office inventory, amounting to 3.1M square feet.

Average Rent for Office Spaces

The average rent for office space in Portland is $22 per square foot. However, you can find rental rates as low as $2 per square foot here, depending on what compromises you are willing to make. If you are looking for office space priced at a certain value, you can use the filters at the top of the page to look for properties within your optimal range.

The maximum rental rate is $55 per square foot among local listings currently available for lease.

For our detailed analysis of the latest rent and sale prices in Portland, as well as overall market quality and new construction data, see Portland Office Market Trends.

Office Spaces Classes

The office space market in Portland incorporates a mix of properties of various ages, ratings, construction grades, and other quality indicators. 39.29% of total office listings in this city are in properties rated Class A. Class B accounts for 57.75% of traditional work spaces listed on the leasing market. Class C makes up 2.96% of such listings in Portland. This data is current as of 2026.

Portland Office Market Breakdown by Building Class
Class	Total Square Feet	Share of Total Office
A	2.7M	39.29%
B	3.9M	57.75%
C	202K	2.96%

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

The most common factor that influences the cost of renting space for your business in any location is the property class rating. For example, Portland office space rated Class A asks an average of $25.22 per square foot. Class B space in Portland costs $17.71 per square foot, on average.

Top Neighborhoods for Office Space

Location is everything when it comes to office spaces. Tenants place great value on well positioned properties in amenity-rich areas, potentially boosting office attendance.

In Portland, the greatest concentration of lease opportunities is in Downtown Portland, Parkside and North Deering.

Office Classes in Portland, Maine Neighborhoods

Downtown Portland

North Deering

West Bayside

Class A+/A
Class B
Class C

The Downtown Portland neighborhood contains the most Class A office space, attracting premium tenants and corporate headquarters. Meanwhile, the neighborhood with the most Class B space is Downtown Portland, offering quality space at affordable rates.

Portland, ME Green Office Space

1% of office space here is eco-friendly, which amounts to 57.6K square feet.

Portland Office Market Breakdown by Green Certification
Total Square Feet	Total Green Square Feet	Green Share of Total
6.4M	57.6K	1%

Numbers based on Yardi Research Data, only refers to properties larger than 25,000 square feet.

Portland, ME in the news

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.

Portland, ME Office Spaces for Rent

188 State St

Office Space

1 Dana Street

901 Washington Ave