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80 Constitution Avenue #311, 
Portsmouth, NH 03801

$579,900


2

Beds


2

Baths


974

Sq Ft


Condo

Active

Listed by

Janet Slome

Lauren Addante

Jd Advisors, LLC.

6639

508-277-7707

Last updated:

September 15, 2026, 10:37 AM

MLS#

5107698

Source:

PrimeMLS

About This Home

80 Constitution Avenue #311

Newly repriced for the Fall Release. Ask about developer incentives and co-broke bonus. 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 #311 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; also just minutes from downtown Portsmouth. Move-in ready! Book a private showing today. We are so excited to welcome you home. Open House, Model Homes: Saturday - Thursday, 11am - 3pm or By Appointment. GPS: 2454 Lafayette Road, Portsmouth. Photos and video may be of model home.

Home Facts

Condo

2 Baths

2 Bedrooms

Built in 2025

Price Summary

579,900

$595 per Sq. Ft.

MLS #:

5107698

Last Updated:

September 15, 2026, 10:37 AM

Added:

14 day(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

2

Bathrooms

Total Bathrooms:

2

Full Bathrooms:

2

Interior

Living Area:

974 Sq. Ft.


Structure

Structure

Building Area:

974 Sq. Ft.

Year Built:

2025


Finances & Disclosures

Finances

Price:

$579,900

Price per Sq. Ft:

$595 per Sq. Ft.

MLS Logo
Copyright 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 September 15, 2026
See this home in person
80 Constitution Avenue #311
Attend an upcoming open house
Wed, Sep 16
11:00 AM03:00 PM
Thu, Sep 17
11:00 AM03:00 PM
Sat, Sep 19
11:00 AM03:00 PM
Sun, Sep 20
11:00 AM03:00 PM

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.