For Sale
Condo for sale at 18 Congress St #302, Portsmouth, NH 03801 | MLS# 5105594 | Listing updated on 2026-10-09
Photo 1 of Condo for sale at 18 Congress St #302, Portsmouth, NH 03801 | MLS# 5105594 | Listing updated on 2026-10-09
Photo 2 of Condo for sale at 18 Congress St #302, Portsmouth, NH 03801 | MLS# 5105594 | Listing updated on 2026-10-09
Photo 3 of Condo for sale at 18 Congress St #302, Portsmouth, NH 03801 | MLS# 5105594 | Listing updated on 2026-10-09
Photo 4 of Condo for sale at 18 Congress St #302, Portsmouth, NH 03801 | MLS# 5105594 | Listing updated on 2026-10-09
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Listed by: Anna Friedman | Carey Giampa, LLC/Rye (603) 964-7000

$2,899,000

Monthly Est:$14,429

  • Beds Icon3 Beds
  • Beds Icon
    3 Baths
  • Beds Icon2,195sqft

18 Congress St #302, Portsmouth, NH 03801

$14,429/moEst:

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  • Condominium

  • Built in 2006

  • $-- HOA

  • -- sqft lot

  • $1,321/sq.ft

Description

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.

  • Houzeo last checked: 7 minutes ago
  • Listing updated: October 9, 2026 at 3:33 pm
  • Source: NEREN/Prime MLS-NH | MLS#: 5105594 NEREN/Prime MLS-NH

Property Details

  • Status

    Active

  • Type

    Condominium

  • No. of Stories

    -

  • County

    Nh Rockingham County

  • City

    Portsmouth

  • Neighborhood

    --

  • Year Built

    2006

  • HOA Fees

    -

  • Finished Area

    2,195 sqft

  • Lot Size

    -- sqft lot

  • Basement Area

    - sqft

  • MLS Name

    NEREN/Prime MLS

  • MLS Number

    5105594

  • MLS Status

    (10) Active - Active

  • Days on Market

    53

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Location

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 3

    Bathrooms: 3

Interior

  • Sewer

    Public

  • Interior Features

    Central 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

  • Appliances

    Gas Cooktop, Dishwasher, Disposal, Dryer, Double Oven, Refrigerator

  • Cooling

    Central Air

  • Heating

    Natural Gas, Forced Air, Gas Fireplace

  • Flooring

    Carpet, Hardwood, Tile

Construction

  • Year Built

    Year Built: 2006

  • Home type

    Condominium

  • Property Condition

    Existing

  • Foundation Details

    Concrete

  • Construction Materials

    Brick

  • Roof

    Membrane, Architectural Shingle

  • Architectural Style

    High Rise

Utilities & Energy

  • Electric

    Circuit Breakers

  • Parking Features

    Direct Access, Heated Garage, Assigned, Deeded, Parking Spaces 2, Paved, Covered, Attached

  • Association Amenities

    Maintenance, Common Heating/cooling, Elevator(s), Security, Snow Removal, Trash

  • Utilities

    Cable, Gas On Site

  • Water Source

    Public

Other Features

  • Lot Features

    City Lot, Sidewalks, Near Shopping, Near Public Transit, Near School(s)

Price History

DateEventPrice

10/08/2026

Source: mls_logoNEREN/Prime MLS-NH #5105594

Listed for Sale

$2,899,000 -10.80%

$1,321/sqft

02/23/2026

Source: mls_logoNEREN/Prime MLS-NH #5076449

Off Market

$3,250,000

$1,481/sqft

Nearby Homes

Based on information from PrimeMLS Inc. through Oct 11, 2026, 09:45AM. This display of listings may or may not be the entire Compilation from the PrimeMLS database, and PrimeMLS does not guarantee the accuracy of such information. The listing broker's offer of compensation is made only to other real estate licensees who are participant members of PrimeMLS. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this display 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 Oct 11, 2026, 09:45AM. © 2026 PrimeMLS, Inc. All Rights Reserved.

Advertising Broker: Derek Greene | The Greene Realty Group