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$1,100,000
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Property Description
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 3rdsmall 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.
Full Property Details
Full Property Details for 18 Congress Street #308
General
- Sold For: $1,100,000
- HOA FEE: $525/month
- Taxes: $14,111 (2025)
- Status: Closed
- Type: Condo
- Source: MREIS
- MLS ID: 1659148
- Added to Site: 77 day(s) ago
Interior
- Number of Rooms: 4
- Fireplace: Yes
- Number of Fireplaces: 1
- Appliances: Dishwasher, Dryer, Microwave, Electric Range, Refrigerator, Washer
- Flooring: Carpet, Tile, Engineered Hardwood
Rooms
Bathrooms
- Total Bathrooms: 2
- Full Bathrooms: 2
Bedrooms
- Total Bedrooms: 2
Parking
- Garage: Yes
- Garage Spaces: 1
- Parking Features: Common, 1 - 4 Spaces, On-Site Parking, Paved, Underground
Location
- County: Rockingham
Community
- Association: Yes
- Units Assoc/Comm: 24
Heating & Cooling
- Central air: Yes
- Air Conditioning: Yes
- Cooling Type: Central Air Conditioning
- Heating Type: Gas Natural, Forced Air
Utilities
- Sewer: Public Sewer
- Water: Public
Structural Information
- Architectural Style: Garden
- Construction: Steel Frame, Brick
- Basement: Yes
- Basement Desc.: Not Applicable, None
- Roof: Shingle
- Square Feet: 1,253
- Sq. Ft. Source: Public Records
- Finished Total: 1,253 Sq. Ft.
- Finished Above Grnd: 1,253 Sq. Ft.
- Year Built: 2006
Lot Features
- Property View: Scenic
- Zoning: CBB
- Lot Description: Intown, Near Shopping, Sidewalks
Financial Considerations
- Association Fee: $525
- Assoc Fee Freq.: Monthly
- Tax Amount: $14,111
- Tax Year: 2025
Disclosures and Reports
- Block: 37
- Lot Number: 308
Listed by Keller Williams Coastal and Lakes & Mountains Realty (603) 610-8500
Sold by Non MREIS Agency (603) 957-8142
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Schools
Schools serving 18 Congress Street #308
School District:Portsmouth School District, Portsmouth, NH
| Name | Grades | Distance |
|---|---|---|
Little Harbour School 50 Clough Drive, Portsmouth, NH 03801 | K-5 | 0.7 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 18 Congress Street #308
Date
Details
Price
Change
Source
6/15/2026
Sold
$1,100,000
-7.95%
MLS
4/24/2026
Listed
$1,195,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
18 Congress Street #308, Portsmouth, NH 03801 (MLS# 1659148) is a Condo property that was sold at $1,100,000 on June 15, 2026. Want to learn more about 18 Congress Street #308? Do you have questions about finding other Condo real estate for sale in Portsmouth? You can browse all Portsmouth real estate or contact a Coldwell Banker agent to request more information.

