South Portland, ME Office Spaces for Rent

Find your best South Portland, ME office space among 18 for rent listings, which average an asking price of $18.19 per square foot.

Office Market FAQs

Class A Office Space

707 Sable Oaks Dr, South Portland Gardens, South Portland, ME
Space Type

Office
For Lease

$21.00 - $23.00/SF/YR
3 spaces available / 2,001 - 5,548 SF
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179 John Roberts Road

179 John Roberts Road, Maine Mall, South Portland, ME
Space Type

Office
For Lease Contact for pricing

2 spaces available / 13,118 - 36,703 SF
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Eastern Mall Office Park- Building C

75 John Roberts Road, Building C, Maine Mall, South Portland, ME
Space Type

Office
For Lease

$15.95/SF/YR
1 space available / 15,550 SF
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Eastern Mall Office Park - Building A

75 John Roberts Road, Maine Mall, South Portland, ME
Space Type

Office
For Lease

$16.95/SF/YR
1 space available / 8,114 SF
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Atlantic Place Commerce Center

311 Darling Ave, South Portland Gardens, South Portland, ME
Space Type

Office
For Lease

$17.00/SF/YR
5 spaces available / 1,089 - 9,624 SF
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Versatile Office / Retail Space

855 Sawyer Street, Meetinghouse Hill, South Portland, ME
Space Type

Office
For Lease

$166.67/MO
1 space available / 1,000 SF
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1 Runway Rd

1 Runway Rd, Broadview Park, South Portland, ME
Space Type

Office
For Lease

$8.25/SF/YR
1 space available / 2,700 SF
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100 Gannett Drive

100 Gannett Drive, South Portland Gardens, South Portland, ME
Space Type

Office
For Lease

$13.50/SF/YR
1 space available / 8,715 SF
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300 Southborough Drive

300 Southborough Drive, Maine Mall, South Portland, ME
Space Type

Office
For Lease

$14.00/SF/YR
3 spaces available / 9,555 - 40,384 SF
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Sopoco.Works
Sopoco.Works
1486 Broadway, South Portland, ME
Space Type

Private Offices
For Lease

From $450/month
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9 Donald B Dean Drive

9 Donald B Dean Dr, Maine Mall, South Portland, ME
Space Type

Office
For Lease

$15.00/SF/YR
1 space available / 10,000 SF
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Frequently Asked Questions

In South Portland, office spaces range from smaller units to larger options. On average, office spaces in this area tend to be about 10,899 square feet. However, the largest listings can go up to 40,384 square feet for an individual listing. This can give you a good starting point to compare with your needs.
In South 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 61.11% 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 5.56% of available listings.
You can find a total of 18 listings for lease in South Portland, which add up to a total of 196,167 square feet.
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 11.11% of office properties in this city and incorporate a total of 25,351 square feet. Additionally, about 11.11% of office space in South Portland is in buildings that have been renovated at least once since 2000.

South Portland, ME Office Space for Rent

Office inventory

According to our listing data, South Portland's office market contains 1.7M square feet of space as of 2026.

South Portland Office Market Breakdown by Building Size
Building Size Range	Total Square Feet
50k to 100k Sq. Ft.	873.5K Sq. Ft.
100k to 500k Sq. Ft.	457.6K Sq. Ft.

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

Properties sized 50k to 100k Sq. Ft. make up most of the local office inventory, amounting to 873.5K square feet.

Average Rent for Office Spaces

The average rent for office space in South Portland is $16 per square foot. However, you can find rental rates as low as $14 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 $17 per square foot among local listings currently available for lease.

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

Office Spaces Classes

The office space market in South Portland incorporates a mix of properties of various ages, ratings, construction grades, and other quality indicators. 33.26% of total office listings in this city are in properties rated Class A. Class B accounts for 59.05% of traditional work spaces listed on the leasing market. Class C makes up 7.69% of such listings in South Portland. This data is current as of 2026.

South Portland Office Market Breakdown by Building Class
Class	Total Square Feet	Share of Total Office
A	553.4K	33.26%
B	982.6K	59.05%
C	127.9K	7.69%

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. Class B space in South Portland costs $16.67 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 South Portland, the greatest concentration of lease opportunities is in South Portland Gardens, Maine Mall and Broadview Park.

Office Classes in South Portland, Maine Neighborhoods

South Portland Gardens

Maine Mall

Broadview Park

Class A+/A
Class B
Class C

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

South Portland, ME Office Spaces for Rent

Class A Office Space

179 John Roberts Road

Eastern Mall Office Park- Building C

Eastern Mall Office Park - Building A

Atlantic Place Commerce Center

Versatile Office / Retail Space

1 Runway Rd

100 Gannett Drive

300 Southborough Drive

Sopoco.Works

9 Donald B Dean Drive