Curious about this home?

Ask anything — no agents, no pressure

Try asking

About This Home

This 1-bedroom, 1-bathroom condo at 80 Constitution Avenue in Portsmouth, NH is listed for $539,900 ($648 per sqft). Built in 2025, the home offers 833 sqft of living space on a N/A lot.

Agent Description

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 accepting reservations. Move-in ready. Schedule your private showing today. Images are of model home.

Key Features

  • Built in 2025

Property Details

1 story
1 full
#307
2025

Monthly Cost Estimate

$2,887/mo

20% down · 6.5% · 30 years

Principal$390
Interest$2,340
Insurance$157

Estimates only. Actual payments may vary.

Location

80 Constitution Avenue

Portsmouth, NH 03801

Property Details

Flooring

TileTile - Ceramic

Parking

Paved or Surfaced

Heating

Electric (Heating)Heat Pump (Heating)

Cooling

Central Air

Appliances

DryerMicrowaveRangeRefrigerator

Questions & Answers

This 1-bedroom, 1-bathroom condo at 80 Constitution Avenue is listed at $539,900 ($648/sqft). The estimated monthly payment is $2,340 based on 20% down at 6.5% interest.

Key features include: Built in 2025.

This property is listed by Janet Slome and can be reached at 6039190645 or jslome@jdadvisors.com.

JS

Janet Slome

Agent at JD Advisors, LLC

(603) 919-0645

Listed by JD Advisors, LLC · View on Broker Site

MLS# 5081801· Source: listhub· Updated 60 days ago

Copyright © 2026 PrimeMLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

80 Constitution Avenue, Portsmouth, NH 03801

Open this listing in: