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40 Congress Street Portsmouth NH 03801
40 Congress Street Portsmouth NH 03801
40 Congress Street Portsmouth NH 03801
Listed by Kent White of The Boulos Company

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40 Congress StreetPortsmouth, NH 03801Price: $12,500,000

  • Price: $12,500,000
  • 69 Days on Market
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Federal 30-year interest rate: 6.49% last updated on Jun 25, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • $12,500,000List Price

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Moultonborough Office

Moultonborough Office

617-510-4783
12 Whittier Highway,
Moultonborough, NH 03254
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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.

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Copyright 2026 PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this display 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 June 28, 2026 4:08 PM UTC

 

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Federal 30-year interest rate: 6.49% last updated on Jun 25, 2026. * The above figures are estimates provided by Union Street Media using the FRED® API, and are not endorsed or certified by the Federal Reserve Bank of St. Louis. Check with your lender for actual interest rates.

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