80 Constitution Avenue #321, Portsmouth, NH 03801

Local realty services provided by:Better Homes and Gardens Real Estate The Masiello Group
80 Constitution Avenue #321,Portsmouth, NH 03801
$514,900
  • 1 Beds
  • 1 Baths
  • 722 sq. ft.
  • Condominium
  • Active
Listed by: janet slome
Office: jd advisors, llc.
MLS#:5067946
Source:PrimeMLS

Price summary

  • Price:$514,900
  • Price per sq. ft.:$713.16
  • Monthly HOA dues:$340

About this home

Experience luxury living at Sage Portsmouth, an exceptional new condominium community offering premium amenities that include an entertainment lounge, work-from-home suites, a club room with terrace, fitness center, game lounge, pet spa, bike storage. Residence #321 offers an open-concept living area that features eco-friendly flooring, custom cabinetry, quartz countertops, and a thoughtful layout. The bedroom includes a walk-through closet with ensuite bath access and a walk-in shower. Located in Portsmouth Green, Sage offers effortless access to upscale boutique shopping, restaurants, and fitness studios, just minutes from downtown Portsmouth. Book a private showing today. We are so excited to welcome you home. Photos and video may be of model home.

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Home facts

  • Year built:2025
  • Listing ID #:5067946
  • Added:105 day(s) ago
  • Updated:February 10, 2026 at 11:30 AM

Rooms and interior

  • Bedrooms:1
  • Total bathrooms:1
  • Full bathrooms:1
  • Living area:722 sq. ft.

Heating and cooling

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

Structure and exterior

  • Roof:Membrane
  • Year built:2025
  • Building area:722 sq. ft.

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:$514,900
  • Price per sq. ft.:$713.16
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 February 13, 2026

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