— 7 EXCHANGE STREET
Built in 1867, 7 Exchange Street, also known as the Preble Heirs Block I, is located in Portland’s Old Port Square district. The property was acquired by Sol-002 LLC in March 2026. The building contains JAR Cannabis Co. in the retail space at ground level and Class B office space on the upper levels.
— BACKGROUND
Known as the Preble Heirs - International Telegraph Co. Block and originally completed in 1867 in the Second Empire style, this four-story building has been managed by East Brown Cow since its acquisition by Sol-002 LLC in March 2026. Located in the Old Port Square district, the ground level features prime retail, while the upper levels offer Class B office space.
7 EXCHANGE STREET
— BACKGROUND
Built in 1867, 7 Exchange Street, also known as the Preble Heirs Block I, is located in Portland’s Old Port Square district. The property was acquired by Sol-002 LLC in March 2026. The building contains JAR Cannabis Co. in the retail space at ground level and Class B office space on the upper levels.
Property
Details
Property Details
Address
7 Exchange Street, Portland, ME 04101
Use
Retail, Class B Office
Owner
Sol-002 LLC
Acquired
March 2026
Completed
1867
Building Size
7,248 Gross SF
Property Size
0.0286 Acres
Name
Preble Heirs Block I
Style
Second Empire/ Gothic Revival
Neighborhood
Old Port Square/Old Port