Condominium at 55 Congress Street, Portsmouth
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$659,000

55 Congress Street
Portsmouth, NH 03801
Listed by Christopher Austin · Great Island Realty LLC
Bedrooms
1
Bathrooms
1
Living area
N/A
Year built
1988

About this home

Perched on the highest residential floor in Portsmouth this beautiful one bedroom, one full bath condo is on the sales market for the first time since 2003. This home feature a large, open floor plan with kitchen, dining and living room with wonderful west facing views. The large living room bump out window is a perfect place for a desk or sitting area. The kitchen with its large island and generous seating invites lots of opportunity for food and conversation. The bedroom with its own west facing window is spacious enough for a king size bed. The bathroom is being renovated and a new tile floor installed. Just a few short steps from this home leads you to highest roof top deck in Portsmouth. This common deck space is furnished and offers panoramic views of Portsmouth and the seacoast. Please note that unit 702 is being sold separately but could be combined with 703 to create a single home with over 1600 square feet of top floor living space. Come and bring your own unique style to this unique location and enjoy all that Portsmouth has to offer just steps away.

Property details

MLS #
5103102
Property type
Condominium
Subdivision
N/A
Status
Active
Days on market
9
On market date
N/A
Stories
N/A
Total bathrooms
1
Garage spaces
N/A
Parking spaces
N/A
Lot size
0.2 acres
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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.

Elementary
Little Harbour School
0.76 mi away · Grades 0-5
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
355
Student:teacher ratio
10.8:1
District
Portsmouth School District
Middle
Portsmouth Middle School
0.24 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
491
Student:teacher ratio
10.4:1
District
Portsmouth School District
High
Portsmouth High School
1.22 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
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).

78
Walkable
out of 100
EPA National Walkability Index
13.3 / 20 -- Above average walkable
Google Places amenity density
95 / 100
Restaurants & cafes20
Grocery stores9
Parks20
Schools14
Transit stops20
Pharmacies1

Market position

How this listing compares to current activity in Portsmouth, from live MLS data.

On the market 9 days -- 102 fewer days than Portsmouth's current average of 111 days.
For reference, the median list price across 235 active listings in Portsmouth right now is $529,900.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

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Est. monthly payment
$4,119/mo
$131,800 down
$527,200 loan
Principal & interest$3,419
Property tax (est.)$549
Home insurance (est.)$150

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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 08/07/26.