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18 Congress Street, Portsmouth, NH

Condominium

For SaleActive
3 Beds|3 Baths|2,195 ft²|Built 2006|Portsmouth

Listed by Carey Giampa, LLC/Rye · Anna Friedman

Property Description

Offered at $2,999,999, this Portsmouth condominium at 18 Congress Street pairs New Hampshire living with everyday convenience. It counts 3 bedrooms, 3 bathrooms and 2,195 square feet of living space. Condos in this corridor are the low-maintenance way into the market — association-managed exteriors, shared amenities and predictable monthly costs. Beyond the basics, the listing carries garage parking for 2, 2006 construction and roughly $1,367 per square foot. Everything below — photos, details, schools and market data — updates live from the MLS.

Welcome to an extraordinary opportunity for elevated downtown living in the heart of Portsmouth. Residence 302 at 18 Congress Street is a rare, oversized double unit condo offering an exceptional sense of scale, privacy, and sophistication, with a front row seat to the energy and charm of Market Square. Wrapped in an impressive thirteen celestial windows, this expansive residence is filled with natural light from multiple exposures, creating a bright and airy atmosphere throughout. The main living area features beautiful hardwood floors and vaulted ceilings, complemented by large windows overlooking Market Square, custom built in bookcases, and a gas fireplace. The result is a gracious living and dining space equally suited to intimate evenings or sophisticated entertaining.The beautifully appointed chef’s kitchen offers generous workspace and storage. The oversized primary suite provides a luxurious private retreat, enhanced by vaulted ceilings, abundant natural light, 3 walk-in closets, and a spa like en-suite bath featuring a jetted soaking tub. Two more spacious bedrooms with their own full bath, as well as an additional room for a den or home office. In unit laundry adds everyday convenience, and a gorgeous rooftop deck for an exceptional setting to entertain, relax, or simply enjoying the sunrise and sunsets of downtown Portsmouth. Two deeded, on-site secure and temperature controlled garage parking spaces, additional private storage, and elevator access directly from the garage to the third-floor residence further distinguish this remarkable property. Perfectly positioned to enjoy Portsmouth’s acclaimed restaurants, boutique shopping, galleries, entertainment, and historic charm, this exceptional double unit residence combines the space and amenities of a luxury home with the unparalleled convenience of downtown living. A rare offering of scale and distinction, your private front row seat to all that Portsmouth has to offer.

Location Highlights

18 Congress Street is a condominium in Portsmouth, New Hampshire, listed at $2,999,999. That works out to about $1,367 per square foot, for a home built in 2006. It has been on the market for 3 weeks.

At this latitude, Portsmouth averages roughly 8.4 hours of sun a day in June and 3.6 in December.

Property Details

Essentials & finishes

  • Bedrooms:3
  • Total Baths:3
  • Full Baths:2
  • SqFt:2,195
  • Price / SqFt:$1366.74
  • Property Type:Condominium
  • Year Built:2006
  • County:NH-Rockingham
  • Town:Portsmouth, NH
  • Status:Active
  • Days on Market:24

Primary Features

CountyNH-Rockingham
Property TypeResidential
Year Built2006
ZoningCBB

Interior Features

AppliancesGas Cooktop, Dishwasher, Disposal, Dryer, Double Oven, Refrigerator
BasementNo
1/4 Baths0
3/4 Baths0
CoolingCentral Air
ElectricCircuit Breakers
FlooringCarpet, Hardwood, Tile
HeatingNatural Gas, Forced Air, Gas Fireplace
Interior FeaturesCentral Vacuum, Gas Fireplace, 1 Fireplace, Kitchen Island, Primary BR w/ BA, Security Door(s), Soaking Tub, Vaulted Ceiling(s), Walk-In Closet(s), 1st Floor Laundry
Rooms - Total7
SqFt-Approximate Finished Above Grade2,195
SqFt-Approximate Finished Below Grade0
SqFt Approximate Total Finished2,195
SqFt Approximate Total2,195

Financial Details

Association Fee$879.99
Fee FrequencyMonthly
Fee IncludesCondo Association Fee, Plowing, Trash
Tax - Gross Amount$25,919
Tax Year2025
Taxes TBDNo

Additional

Construction StatusExisting
ConstructionBrick
CovenantsUnknown
Flood ZoneNo
Pre-ConstructionNo
Property Sub TypeCondominium
SeasonalNo
Total StoriesOne
SurveyedUnknown
Timeshare/Fractional OwnershipNo

External Features

DrivewayPaved
FoundationConcrete
GarageYes
Garage Capacity2
Lot FeaturesCity Lot, Sidewalks, Near Shopping, Near Public Transit, Near School(s)
ParkingAssigned, Attached, Covered, Deeded, Direct Access, Heated Garage, Paved, Parking Spaces 2
Road Frontage TypePublic
Road FrontageTBD
RoofMembrane, Architectural Shingle
SewerPublic
UtilitiesCable, Gas On-Site
Water SourcePublic
MLS®: PrimeMLS #5105594; Listed by Carey Giampa, LLC/Rye · Anna Friedman

Property History

Annual taxes for this property

YearAssessed Tax
2024$51,000
2023$49,725
2022$48,450

Estimated from list price; verify with the town assessor.

Market Data

Live snapshot computed from active listings in this town

  • Active listings in Portsmouth120
  • Average list price$1,160,650
  • Price range$469,900 – $2,500,000

Mortgage Calculator

Estimate your monthly payment for this home

20%
Loan Term
6.5%
Estimated monthly payment$20,045 / mo
  • Principal & Interest$15,170
  • Property Tax$4,250
  • Home Insurance$625

Estimates use typical New Hampshire costs — a 1.7% effective property-tax rate, insurance at 0.25% of home value/yr, and PMI below 20% down. Actual town tax rates vary; verify with your lender and the town assessor.

Around This Property

Schools, everyday places and nearby destinations near 18 Congress Street, Portsmouth, NH

$2,999,999/ Asking Price
For SaleActive
Est. $15,170 / mo20% down · 30yr · 6.5%
Tom DeMatteo

Tom DeMatteo

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Questions About This Listing

What type of home is 18 Congress Street?

Condominium in Portsmouth, New Hampshire, built in 2006.

How many bedrooms and bathrooms does 18 Congress Street have?

The home has 3 bedrooms and 3 bathrooms.

It offers 2,195 square feet of living space.

What area is 18 Congress Street in?

The property is in Portsmouth, New Hampshire (03801).

How much does 18 Congress Street cost?

18 Congress Street in Portsmouth, NH is listed at $2,999,999.

That works out to about $1,367 per square foot.

PrimeMLS

NOTE: This representation is based in whole or in part on data generated by PrimeMLS, Inc., which assumes no responsibility for its accuracy. The data relating to real estate displayed on this site comes in part from the IDX Program of PrimeMLS.

This listing data is intended 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.