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80 Constitution Avenue #331, Portsmouth, NH 03801

Local realty services provided by:CENTURY 21 TheOne
80 Constitution Avenue #331,Portsmouth, NH 03801
$599,900
  • 2 Beds
  • 2 Baths
  • 975 sq. ft.
  • Condominium
  • Active
Listed by: janet slome
Office: jd advisors, llc.
MLS#:5075822
Source:PrimeMLS

Price summary

  • Price:$599,900
  • Price per sq. ft.:$615.28
  • Monthly HOA dues:$459

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 #331 features a bright, open-concept layout with abundant natural light streaming through oversized windows. The home’s premium finishes include a chef’s kitchen with a large freestanding island, a primary suite with a generous walk-in closet, and an ensuite bath with a beautifully tiled, stand-up shower. Need a second bedroom that doubles as an office or guest space? This residence has you covered. Step out onto your private balcony to savor a morning coffee or unwind with an evening glass of wine. 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're excited to welcome you home.

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Home facts

  • Year built:2025
  • Listing ID #:5075822
  • Added:7 day(s) ago
  • Updated:February 10, 2026 at 11:30 AM

Rooms and interior

  • Bedrooms:2
  • Total bathrooms:2
  • Full bathrooms:2
  • Living area:975 sq. ft.

Heating and cooling

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

Structure and exterior

  • Roof:Membrane
  • Year built:2025
  • Building area:975 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:$599,900
  • Price per sq. ft.:$615.28
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 12, 2026

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