100 Commercial St

Office

100 Commercial St, Portland, ME 04101

100 Commercial St
Office For Lease
Asking
$28.22/SF Modified Gross
Available
1,042 SF
Floor / Suite
4 · Suite 417
Listing Details
Type
Lease
Status
Active
Asking Rate
$28.22/SF Modified Gross
Lease Type
Modified gross
List Date
Jun 10, 2026
Days on Market
20
Last Verified
Jun 25, 2026

Professional Office For Lease

THE THOMAS BLOCK •Suites vary from 1,376± SF - 4,250± 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 417
Available SF
1,042 SF
Primary Use
Office
Property Highlights
View full property →
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
Attachments
Location