511 Congress Street

Office

511 Congress St, Portland, ME 04101

511 Congress Street
Office For Sale
Asking
$1
Available
128,400 SF
Listing Details
Type
Sale
Status
Active
Asking Price
$1
List Date
Apr 6, 2026
Days on Market
85
Sale Investment
YES
Last Verified
Jun 22, 2026

OFFICE TOWER | PARKING GARAGE FOR SALE

Porta & Company is pleased to present the opportunity to acquire 511. Congress Street ("511 Congress" or "the Property"), a 128,400 square foot Class A office building with a 256 space on-site parking garage in the rear right in the heart of Downtown Portland. The property at 511 Congress enjoys a premier location opposite Monument Square in the center of the city. With the ability to immediately occupy full floors and the ability to take advantage of the opportunity zone program, this opportunity is ideal for both investors and owner occupants.

Space Details

Primary Use
Office
Property Highlights
Type
Office
Subtype
Mixed use
Building Class
Class A
Size
128,400 SF
Acreage
1.01 Acres
Occupancy Type
Multi Tenant
Year Built
1974
Year Renovated
2013
Floors
9
Zoning
B-3
Sprinklered
Yes
County
Cumberland
Submarket
Portland-South Portland
Contact
PG
Peter GwilymPrimary
Porta & Company
VC
Vince Ciampi
Porta & Company
JP
Joseph Porta
Porta & Company
Location