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Property view

18 Congress Street #308, 
Portsmouth, NH 03801

$1,100,000


2

Beds


2

Baths


1,253

Sq Ft


Condo

Sold

Listed by

Erin Proulx, Erin@ProulxRealEstate.com

Kw Coastal And Lakes & Mountains Realty/Portsmouth

603-205-1488

MLS#

5078424

Source:

PrimeMLS

Sorry, we are unable to map this address

About This Home

18 Congress Street #308

Welcome to 18 Congress Street set in the heart of Market Square in historic downtown Portsmouth. This building is one of the only modern luxury condominium residences located directly within the historic core of the city. From this address you have easy access to the waterfront, renowned restaurants, charming cafés, boutique shops, and cultural landmarks such as The Music Hall and Jimmy’s Jazz & Blues Club. Whether you’re grabbing morning coffee at Popovers or La Maison Navarre, you’ll be surrounded by the best of city living from the moment your day begins. This 3rd floor residence offers an open-concept living space filled with natural light, charming views of quiet Porter Street, & a gas fireplace for cozy evenings. Two spacious bedrooms and two full bathrooms provide comfort and privacy, while a 3rd small room offers an opportunity for an office space or large walk-in closet or pantry. Everyday convenience is built in with in-unit laundry, secure elevator access, and one deeded parking space in the private garage. Residents also enjoy access to the rooftop deck which is perfect for entertaining, taking in the skyline, or watching Portsmouth’s fireworks. Updates include fresh interior paint, new kitchen appliances, & new carpet. Opportunities to own in this building are few and far between - Don’t miss the chance to make this one-of-a-kind downtown home part of your everyday life.

Home Facts

Condo

2 Baths

2 Bedrooms

Built in 2006

Price Summary

1,145,000

$913 per Sq. Ft.

MLS #:

5078424

Sold:

June 15, 2026


Rooms & Interior

Bedrooms

Total Bedrooms:

2

Bathrooms

Total Bathrooms:

2

Full Bathrooms:

2

Interior

Living Area:

1,253 Sq. Ft.


Structure

Structure

Building Area:

1,253 Sq. Ft.

Year Built:

2006


Finances & Disclosures

Finances

Price:

$1,145,000

Price per Sq. Ft:

$913 per Sq. Ft.

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Copyright 2026 Prime MLS, Inc. 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 Prime MLS. The information being provided is for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated October 8, 2026