Class-A Office Space
One Monument Square, Portland, ME 04101
Full floor office suite in Portland's Financial District.
Type:Office
Property size:
12,671 SF- Added:
- May 13, 2026
- Days on Market:
- 15
- Last Refresh:
- May 14 at 8:58 pm
Property Features for One Monument Square
General Information
- Standard status
- Active
- Size
- 12,671 SF
- Property subtype
- Office
Building Details
- Year Built
- 1970
Spaces For Lease
at One Monument Square Contact us
Listing agent Justin Lamontagne License #DB917279
Listing office The Dunham Group
Listing date May 13, 2026
Source Crexi
Displayed information is deemed reliable but is not guaranteed and should be independently verified.
All listing content including descriptions, pricing, images are the copyrighted material of The Dunham Group
HighLights
- Class‑A office suite in the prestigious One Monument Square, located in Portland's Downtown Financial and Business District.
- Full floor (12,671± SF) with direct elevator access.
- Fully renovated in 2014, featuring open work areas and private offices.
- Abundant natural light throughout the space.
- Includes a breakroom/kitchen area and conference rooms.
- Walking distance to the Old Port, Arts District, and working waterfront amenities.
Overview
Available for sublease is a 12,671± SF, full floor, Class-A office suite located in One Monument Square, one of Portland's most prestigious buildings. The building is situated in the heart of Portland's Downtown Financial and Business District, adjacent to Monument Square. The location provides convenient access to the amenities of Portland's Old Port, Arts District, and working waterfront, all within walking distance. The 4th-floor space, currently leased to Dechra, was fully renovated in 2014. The suite features open work areas, private offices, abundant natural light, a breakroom/kitchen area, conference rooms, dedicated men's and women's restrooms, and direct elevator access.
Location Intelligence
Current Use by Public Records
Office Units
Map
- City
- Portland
- County
- Cumberland
- State
- Maine
- Longitude
- -70.2592
- Latitude
- 43.6616
Nearby Similar for Lease
FAQs
What type of property is this?
Office units - Full floor office suite in Portland's Financial District.
Where is this office units located?
The property is located at One Monument Square Portland, ME.
What are key features of this property?
This property features: Class‑A office suite in the prestigious One Monument Square, located in Portland's Downtown Financial and Business District.; Full floor (12,671± SF) with direct elevator access.; Fully renovated in 2014, featuring open work areas and private offices.
