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80 Constitution Avenue #307, Portsmouth, NH 03801

Portsmouth
Local realty services provided by:CENTURY 21 North East
80 Constitution Avenue #307,Portsmouth, NH 03801
$539,900
  • 1 Beds
  • 1 Baths
  • 833 sq. ft.
  • Condominium
  • Active
Listed by: janet slome
Office: jd advisors, llc.
MLS#:5081801
Source:PrimeMLS

Price summary

  • Price:$539,900
  • Price per sq. ft.:$648.14
  • Monthly HOA dues:$392

About this home

Experience elevated living at Sage Portsmouth, a premier new condominium community offering concierge services, a club room with terrace, fitness center, game lounge, pet spa, work-from-home spaces, and bike storage. Residence #307 showcases The Harrison, the largest 1-bedroom floor plan, thoughtfully designed to maximize space, light, and functionality. This desirable southeast-facing home features a double vanity in the ensuite bath, additional closet storage rarely found in a 1BR layout, and a private interior balcony that enhances everyday living. Eco-friendly flooring, custom cabinetry, quartz countertops, and under-cabinet lighting create a refined and modern aesthetic throughout. The spacious bedroom offers a walk-in closet and walk-in shower for added comfort and convenience. This 1BR residence also includes two deeded parking spaces, a rare and valuable offering. Ideally located in Portsmouth Green, just minutes from downtown shopping, dining, and fitness studios. Now...

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Home facts

  • Year built:2025
  • Listing ID #:5081801
  • Added:1 day(s) ago
  • Updated:April 03, 2026 at 12:44 AM

Rooms and interior

  • Bedrooms:1
  • Total bathrooms:1
  • Full bathrooms:1
  • Rooms Total:4
  • Flooring:Ceramic Tile, Manufactured
  • Kitchen Description:Microwave
  • Basement Description:Interior
  • Living area:833 sq. ft.

Heating and cooling

  • Cooling:Central AC
  • Heating:Electric, Heat Pump

Structure and exterior

  • Roof:Membrane
  • Year built:2025
  • Building area:833 sq. ft.
  • Levels:1 Story

Schools

  • High school:Portsmouth High School
  • Middle school:Portsmouth Middle School
  • Elementary school:Little Harbor School

Utilities

  • Sewer:Public Sewer On-Site

Finances and disclosures

  • Price:$539,900
  • Price per sq. ft.:$648.14

Parking

  • Parking description:Common/Shared, Paved Driveway
MLS LogoCopyright 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 April 3, 2026

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