Property

1 Monument Sq

OfficeRetailGeneral

1 Monument Sq, Portland, ME 04101

16 photos
Listings
Suite Third Floor
For Lease · Office
Active
Available SF
12,670 SF
Asking Rate
$23.00/SF Modified Gross
Lease Type
Modified gross
Suite
Suite Third Floor
List Date
Aug 25, 2026
Days on Market
0
Listing Agent
Claire Richardson — The Boulos Company

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 ma…

Suite Second Floor
For Lease · Office
Active
Available SF
9,765 SF
Asking Rate
$23.00/SF Modified Gross
Lease Type
Modified gross
Suite
Suite Second Floor
List Date
Aug 25, 2026
Days on Market
0
Listing Agent
Claire Richardson — The Boulos Company

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 ma…

First Floor Retail Space
For Lease · Retail
Active
Available SF
1,588 SF
Asking Rate
$19.00/SF Modified Gross
Lease Type
Suite
First Floor Retail Space
Floor
1
List Date
Aug 14, 2026
Available
Aug 14, 2026
Days on Market
11
Listing Agent
Claire Richardson — The Boulos Company

1,588± SF retail space available for lease in the heart of Monument Square. Surrounded by Class A office space and multifamily, the area delivers a steady base of employees and local residents. With a Walk Score of 100, the space is locat…

Property Highlights

Location

County
Cumberland
Submarket
Portland-South Portland
Center/Park Name

Building Size

Total Building SF
124,658 SF
Rentable SF
Land (SF)
15,361 SF
Acreage
0.35 Acres
Number of Buildings
1
Floors
10

Building Details

Type
Office
Subtype
General
Building Class
Class A
Building Status
Existing
Year Built
1970
Year Renovated
2010
Construction
Occupancy Type
Multi-tenant
Leased
Zoning
B3
Sprinklered
Parking Ratio
Elevators
Condominiumized
No
Exterior
Clear Height Max
Dock High Doors
Grade Level Doors
Rail Service
No

Land & Utilities

Lot Width
Lot Depth
Electric
No
Water
Yes
Sewer
Yes
Gas
Fiber
Tax Amount
Tax Year
Comparables
Comparable sales and lease data is available to members only.
Location