100 Commercial St

OfficeGeneral

100 Commercial St, Portland, ME 04101

4 photos
Listings
Suite 202
For Lease · Office
Active
Available SF
1,596 SF
Asking Rate
$28.75/SF Modified Gross
Lease Type
Modified gross
Suite
Suite 202
Floor
2
List Date
Jul 18, 2024
Available
Jul 18, 2024
Days on Market
712

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 Old Port Square Garage

Suite 411/415
For Lease · Office
Active
Available SF
1,532 SF
Asking Rate
$25.75/SF Modified Gross
Lease Type
Modified gross
Suite
Suite 411/415
Floor
4
List Date
Jul 18, 2024
Available
Jul 18, 2024
Days on Market
712

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

Suite 410/412
For Lease · Office
Active
Available SF
2,050 SF
Asking Rate
$25.00/SF Modified Gross
Lease Type
Modified gross
Suite
Suite 410/412
List Date
Mar 4, 2025
Days on Market
483

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

Suite Suite 305/307
For Lease · Office
Active
Available SF
1,614 SF
Asking Rate
$25.75/SF Modified Gross
Lease Type
Modified gross
Suite
Suite Suite 305/307
Floor
3
List Date
Jun 17, 2025
Days on Market
378

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

Suite 403, 405 & 407
For Lease · Office
Active
Available SF
2,592 SF
Asking Rate
$25.75/SF Modified Gross
Lease Type
Modified gross
Suite
Suite 403, 405 & 407
Floor
4
List Date
Jun 26, 2025
Days on Market
369

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

Suite 204/206
For Lease · Office
Active
Available SF
2,857 SF
Asking Rate
$34.00/SF Modified Gross
Lease Type
Modified gross
Suite
Suite 204/206
List Date
Aug 5, 2025
Days on Market
329

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

Suite 417
For Lease · Office
Active
Available SF
1,042 SF
Asking Rate
$28.22/SF Modified Gross
Lease Type
Modified gross
Suite
Suite 417
Floor
4
List Date
Jun 10, 2026
Days on Market
20

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 Gara…

Property Highlights

Location

County
Cumberland
Submarket
Portland-South Portland
Center/Park Name

Building Size

Total Building SF
64,284 SF
Rentable SF
Land (SF)
15,042 SF
Acreage
0.35 Acres
Number of Buildings
1
Floors
4

Building Details

Type
Office
Subtype
General
Building Class
Class A
Building Status
Existing
Year Built
1860
Year Renovated
Construction
Masonry
Occupancy Type
Multi-tenant
Leased
Zoning
B-3/PAD
Sprinklered
Parking Ratio
Elevators
Condominiumized
No
Exterior
Brick
Clear Height Max
Dock High Doors
Grade Level Doors
Rail Service
No

Land & Utilities

Lot Width
999999 ft
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