$12,500,000
About this home
Located in the heart of downtown Portsmouth, 40 Congress Street offers a rare opportunity to own a boutique commercial asset in one of New England’s most dynamic and historic markets. The 22,601± SF property sits on a 0.09± acre parcel and is zoned CD5 (Character District 5), allowing for a variety of commercial, office, and mixed-use uses including a possible residential conversion on the upper floors. Positioned within Portsmouth’s vibrant Downtown Historic District and just steps from Market Square, the property benefits from exceptional walkability, strong surrounding demographics, and limited supply. 40 Congress Street offers a well-located asset with versatile use potential and strong long-term value. For more information, a signed NDA is required.
Property details
- MLS #
- 5084657
- Property type
- Commercial Sale
- Subdivision
- N/A
- Status
- Active
- Days on market
- 113
- On market date
- N/A
- Stories
- N/A
- Total bathrooms
- N/A
- Garage spaces
- N/A
- Parking spaces
- N/A
- Lot size
- N/A
Location
Get directions →Nearby schools
Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card (e.g. NC Dept. of Public Instruction, SC Report Card).
- Enrollment
- 355
- Student:teacher ratio
- 10.8:1
- District
- Portsmouth School District
- Enrollment
- 491
- Student:teacher ratio
- 10.4:1
- District
- Portsmouth School District
- Enrollment
- 1,049
- Student:teacher ratio
- 11.7:1
- District
- Portsmouth School District
Walkability
Blended score for Portsmouth's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).
Market position
How this listing compares to current activity in Portsmouth, from live MLS data.
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Copyright 2026 PrimeMLS. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this Site comes in part from the IDX Program of PrimeMLS. The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated 04/21/26.