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80 Constitution Avenue #403, Portsmouth, NH 03801

Portsmouth
Local realty services provided by:CENTURY 21 TheOne
80 Constitution Avenue #403,Portsmouth, NH 03801
$689,900
  • 2 Beds
  • 2 Baths
  • 1,000 sq. ft.
  • Condominium
  • Active
Listed by: janet slome
Office: jd advisors, llc.508-277-7707
MLS#:5073228
Source:PrimeMLS

Price summary

  • Price:$689,900
  • Price per sq. ft.:$689.9
  • Monthly HOA dues:$471

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, and bike storage. Residence #403 features a unique, bright, open-concept layout with abundant natural light streaming through oversized windows. The only home of its kind for sale, premium finishes in #403 include a chef’s kitchen, primary suite with a generous walk-in closet and ensuite bath with double vanity. 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 overlooking Portsmouth Green. Sage offers effortless access to upscale boutique shopping, restaurants, and fitness studios; also just minutes from downtown Portsmouth. Move-in ready! Book a private showing today. We are so excited to welcome you...

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Home facts

  • Year built:2025
  • Listing ID #:5073228
  • Added:101 day(s) ago
  • Updated:April 18, 2026 at 10:23 AM

Rooms and interior

  • Bedrooms:2
  • Total bathrooms:2
  • Full bathrooms:2
  • Rooms Total:6
  • Flooring:Ceramic Tile
  • Kitchen Description:Microwave
  • Basement Description:Interior
  • Living area:1,000 sq. ft.

Heating and cooling

  • Cooling:Central AC
  • Heating:Heat Pump

Structure and exterior

  • Roof:Membrane
  • Year built:2025
  • Building area:1,000 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:$689,900
  • Price per sq. ft.:$689.9

Parking

  • Parking description:Common/Shared, Paved Driveway
  • Garage spaces:1
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 18, 2026

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