55 Constitution Avenue

Office

55 Constitution Avenue, Portsmouth, NH 03801

4 photos
Office For Sale
Asking
$158,000
Available
815 SF
Listing Details
Type
Sale
Status
Active
Asking Price
$158,000
List Date
Jun 24, 2026
Days on Market
6
Sale Total Expenses
$1,314
Tax Amount
$1,314
Tax Year
2025
Last Verified
Jun 24, 2026

Retail/Office Condominium

815± SF retail/office condominium available for sale off highly trafficked Lafayette Road/Route 1. Unit consists of 495± SF on the 1st floor with an additional 320± SF of finished lower-level space for storage. Great space for professionals, consultants, or small retailers looking for an accessible and visible location. Convenient on-site parking for employees and customers. Just minutes from downtown Portsmouth, offering easy access to local retailers, restaurants, and apartment/condominium developments with close proximity to I-95.

Space Details

Available SF
815 SF
Primary Use
Office
Property Highlights
Type
Office
Subtype
Mixed use
Building Class
Class C
Size
12,150 SF
Acreage
1.64 Acres
Occupancy Type
Multi Tenant
Year Built
1985
Year Renovated
2024
Floors
2
Zoning
G1
County
Rockingham
Submarket
Boston-Cambridge-Quincy
Contact
AK
Abigail K. BachmanPrimary
Colliers
Location