Listing

100 Commercial Street

Office

100 Commercial Street, Portland, ME 04101

Office For Lease
Asking
$34.00/SF Modified Gross
Available
2,635 SF
Floor / Suite
2 · Suite 204/206
Listing Details
Type
Lease
Status
Active
Asking Rate
$34.00/SF Modified Gross
Monthly Rent
$7,466/mo
Lease Type
Modified gross
List Date
Aug 5, 2025
Days on Market
440
Owner Occupied
No
Last Verified
Oct 7, 2026
Agent Ownership Interest
No

Professional 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
2
Suite
Suite 204/206
Available SF
2,635 SF
Property Highlights
Type
Office · 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