100 Commercial St
Office100 Commercial St, Portland, ME 04101
Office For Lease
Asking
$25.75/SF Modified Gross
Available
2,592 SF
Floor / Suite
4 · Suite 403, 405 & 407
Listing Details
- Type
- Lease
- Status
- Active
- Asking Rate
- $25.75/SF Modified Gross
- Lease Type
- Modified gross
- List Date
- Jun 26, 2025
- Days on Market
- 369
- Last Verified
- Jun 25, 2026
Professional Office For Lease
THE THOMAS BLOCK Suites vary from 1,532± 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 Fore Street Garage
Space Details
- Floor
- 4
- Suite
- Suite 403, 405 & 407
- Available SF
- 2,592 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
Attachments
Location
Listing Details
- Type
- Lease
- Status
- Active
- Asking Rate
- $25.75/SF Modified Gross
- Lease Type
- Modified gross
- List Date
- Jun 26, 2025
- Days on Market
- 369
- Last Verified
- Jun 25, 2026
Professional Office For Lease
THE THOMAS BLOCK Suites vary from 1,532± 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 Fore Street Garage
Space Details
- Floor
- 4
- Suite
- Suite 403, 405 & 407
- Available SF
- 2,592 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
Attachments
Location