80 Constitution Avenue
80 Constitution Avenue photo 2
80 Constitution Avenue photo 3
80 Constitution Avenue photo 4
80 Constitution Avenue photo 5
80 Constitution Avenue photo 6
80 Constitution Avenue photo 7
80 Constitution Avenue photo 8
80 Constitution Avenue photo 9
80 Constitution Avenue photo 10
80 Constitution Avenue photo 11
80 Constitution Avenue photo 12
80 Constitution Avenue photo 13
80 Constitution Avenue photo 14
80 Constitution Avenue photo 15
80 Constitution Avenue photo 16
80 Constitution Avenue photo 17
80 Constitution Avenue photo 18
80 Constitution Avenue photo 19
80 Constitution Avenue photo 20
80 Constitution Avenue photo 21
80 Constitution Avenue photo 22
80 Constitution Avenue photo 23
80 Constitution Avenue photo 24
80 Constitution Avenue photo 25
80 Constitution Avenue photo 26
26 photos

$469,900

80 Constitution Avenue
Portsmouth, NH 03801
Listed by Janet Slome · JD Advisors, LLC
Bedrooms
1
Bathrooms
1
Living area
N/A
Year built
2024

About this home

Experience luxury living at Sage Portsmouth, an exceptional new condominium community offering premium amenities, including concierge services, an entertainment lounge, work-from-home spaces, a club room with a terrace, a fitness center, a game lounge, a pet spa, and bike storage. Residence #320 features The Franklin floorplan, a southwest-facing one-bedroom, one-bathroom layout with abundant natural light. The open living area is designed for both comfort and style, with high-end finishes such as eco-friendly engineered flooring, custom cabinetry, stone countertops, under-cabinet lighting, and overhead lighting. The bedroom offers a walk-through closet with direct ensuite access to a bathroom featuring a walk-in shower. Situated in vibrant Portsmouth Green, Sage provides easy access to boutique shopping, McKinnon’s Market, Fresh Press Juice, and fitness studios—all just minutes from downtown Portsmouth. Schedule your appointment today. Images may be of model home.

Property details

MLS #
5086388
Property type
Condominium
Subdivision
N/A
Status
Active
Days on market
104
On market date
N/A
Stories
N/A
Garage spaces
N/A
Lot size
N/A
Loading map…

Nearby schools

Within 10 miles · public school directory data (NCES)

Elementary
Mary C. Dondero Elementary School
0.86 mi away · Grades 0-5
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
318
Student:teacher ratio
10.6:1
District
Portsmouth School District
Middle
Rye Junior High School
1.66 mi away · Grades 5-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
181
Student:teacher ratio
9.5:1
District
Rye School District
High
Portsmouth High School
1.91 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
1,049
Student:teacher ratio
11.7:1
District
Portsmouth School District

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

$
%
%
Adjust tax / insurance estimates
% / yr
$
/mo
Est. monthly payment
$2,980/mo
$93,980 down
$375,920 loan
Principal & interest$2,438
Property tax (est.)$392
Home insurance (est.)$150

Similar homes you might like

Copyright 2026 PrimeMLS. 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 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 07/30/26.