Listing

1 Monument Sq

Office

1 Monument Sq, Portland, ME 04101

8 photos
Office For Lease
Asking
$23.00/SF Modified Gross
Available
9,765 SF
Floor / Suite
Suite Second Floor
Listing Details
Type
Lease
Status
Active
Asking Rate
$23.00/SF Modified Gross
Monthly Rent
$18,716/mo
Lease Type
Modified gross
List Date
Aug 25, 2026
Days on Market
0
Owner Occupied
No
Last Verified
Jun 28, 2026
Agent Ownership Interest
No

Second Floor

Situated in the heart of the downtown financial and business district, One Monument Square offers stunning views of the city, Casco Bay, and Back Cove. Enjoy local restaurants such as CERA, David’s, Shay’s, Public Market House, Nura and many more. Building amenities include a pet-friendly policy, CERA restaurant/café, and brand-new gym. 2,965 – 22,435± SF of Class A office space available for lease. LEASE RATE: $23.00/SF MG

Space Details

Suite
Suite Second Floor
Available SF
9,765 SF
Primary Use
Office
Property Highlights
View full property →
Type
Office
Subtype
General
Building Class
Class A
Size
124,658 SF
Acreage
0.35 Acres
Occupancy Type
Multi Tenant
Year Built
1970
Year Renovated
2010
Floors
10
Zoning
B3
County
Cumberland
Submarket
Portland-South Portland
Contact
CR
Claire RichardsonPrimary
The Boulos Company
Attachments
Location