Listing Details

Portsmouth, NH 03801 40 Congress Street

40 Congress Street Portsmouth, NH - Image 1
Presented By: Kent White with The Boulos Company;
  • PrimeMLS - 85 - NH
  • MLS# 5084657
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Disclaimer: The information contained in this listing has not been verified by Halliday Real Estate and should be verified by the buyer.

Home Details

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.
Presented By: Kent White with The Boulos Company;

Interior Features for 40 Congress Street

Other Interior Features

InternetUnknown
Basement Access TypeWalk-up
BasementYes
Basement DescriptionFinished

General for 40 Congress Street

Business TypeInvestment, Office, Retail
CityPortsmouth
DOM150
Last Updated04/21/2026 21:02:59
Property ClassCommercial Sale
Road FrontageYes
SewerPublic
Status Detail0
Tax Year2026
UtilitiesGas On-Site
Year Built1878
ZoningCD5

Exterior for 40 Congress Street

Water SourcePublic

Additional Details

Price History

Sadie Halliday

REALTOR
Price $12,500,000
MLS#5084657
Property Type Commercial
Phone 603.660.2321
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