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 #321 is a southwest facing with 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. Parking included. 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 excited to welcome you home. Photos and video may be of model home.

Property Details

Interior Features

Exterior Features

Community

Copyright 2026 PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this display comes in part from the IDX Program of PrimeMLS. The information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated June 7, 2026 6:53 AM EDT

Name

Your Email Address

Phone

Message Send me the deed for 80 Constitution Avenue Portsmouth NH 03801 (ID#:5081750)

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Name

Your Email Address

Phone

Message Send me the survey or tax map for 80 Constitution Avenue Portsmouth NH 03801 (ID#:5081750)

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Name

Your Email Address

Phone

Message I would like more information for 80 Constitution Avenue Portsmouth NH 03801 (ID#:5081750)

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Listing Tools