18 Congress Street

Portsmouth, NH 03801

Beds

Baths

Square Ft.

2,195

Active

Residential

Little Harbour Elementary School 603-436-1708 Public KG-5

Portsmouth Middle School 603-436-5781 Public 6-8

Portsmouth High School 603-436-7100 Public 9-12

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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 Feb 28, 2026.
Data last updated Feb 28, 2026.

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