Listing

100 Commercial Street

Office

100 Commercial Street, Portland, ME 04101

2 photos
Office For Lease
Asking
$25.75/SF Modified Gross
Available
775 SF
Floor / Suite
4 · Suite 409
Listing Details
Type
Lease
Status
Active
Asking Rate
$25.75/SF Modified Gross
List Date
Jul 10, 2026
Days on Market
62
Owner Occupied
No
Last Verified
Sep 10, 2026
Agent Ownership Interest
No

Office Space For Lease

THE THOMAS BLOCK •Suites vary from 371± SF - 4,899± SF offices •Historic brick and stone building •Water views or Commercial Street views •On-site property management •Parking spaces available for lease at the Old Port Square Parking Garage

Space Details

Floor
4
Suite
Suite 409
Available SF
775 SF
Primary Use
Office
Property Highlights
Type
Office
Subtype
General
Building Class
Class A
Size
64,284 SF
Acreage
0.35 Acres
Occupancy Type
Multi Tenant
Year Built
1860
Floors
4
Construction
Masonry
Zoning
B-3/PAD
County
Cumberland
Submarket
Portland-South Portland
Contact
PA
Peter A. HarringtonPrimary
Malone Commercial Brokers
Location