80 Constitution Avenue, Portsmouth, NH
Condominium
Listed by JD Advisors, LLC · Janet Slome
Property Description
Offered at $719,900, this Portsmouth condominium at 80 Constitution Avenue pairs New Hampshire living with everyday convenience. It counts 2 bedrooms, 2 bathrooms and 1,024 square feet of living space. Condos in this corridor are the low-maintenance way into the market — association-managed exteriors, shared amenities and predictable monthly costs. Beyond the basics, the listing carries garage parking for 2, 2025 construction and roughly $703 per square foot. Everything below — photos, details, schools and market data — updates live from the MLS.
Newly repriced for the Fall Release. Ask about developer incentives and co-broke bonus. Discover elevated condominium living at Sage Portsmouth, a thoughtfully designed new community with an impressive collection of amenities, including an entertainment lounge, work-from-home suites, club room with terrace, fitness center, game lounge, pet spa, and bike storage. Residence #417 is a spacious fourth-floor, southeast-facing two-bedroom residence with a thoughtfully arranged layout that places the bedrooms on opposite sides of the living area for enhanced privacy and flexibility. Elevated finishes include an open kitchen with ample workspace, a primary suite with a large walk-in closet and double vanity, and a beautifully tiled ensuite bath with a walk-in shower. The second bedroom offers flexibility as a guest suite, home office, or additional living space. Two covered tandem parking spaces are included. Ideally situated within Portsmouth Green, Sage puts boutique shopping, restaurants, fitness studios, and all that downtown Portsmouth has to offer just minutes away. Schedule your private showing today and experience Sage for yourself. Photos may be of model home.
Location Highlights
80 Constitution Avenue is a condominium in Portsmouth, New Hampshire, listed at $719,900. That works out to about $703 per square foot, for a home built in 2025. It has been on the market for 7 days.
At this latitude, Portsmouth averages roughly 8.4 hours of sun a day in June and 3.6 in December.
Zoned schools in the Portsmouth: Little Harbor School (Elementary), Portsmouth Middle School (Middle), Portsmouth (High). Always confirm zoning with the district office.
Property Details
Essentials & finishes
- Bedrooms:2
- Total Baths:2
- Full Baths:2
- SqFt:1,024
- Price / SqFt:$703.03
- Property Type:Condominium
- Year Built:2025
- County:NH-Rockingham
- Town:Portsmouth, NH
- Status:Active
- Days on Market:7
Primary Features
Interior Features
Location Information
Financial Details
Additional
External Features
Property History
Annual taxes for this property
| Year | Assessed Tax |
|---|---|
| 2024 | $12,238 |
| 2023 | $11,932 |
| 2022 | $11,626 |
Estimated from list price; verify with the town assessor.
Market Data
Live snapshot computed from active listings in this town
- Active listings in Portsmouth120
- Average list price$1,160,650
- Price range$469,900 – $2,500,000
Mortgage Calculator
Estimate your monthly payment for this home
- Principal & Interest$3,640
- Property Tax$1,020
- Home Insurance$150
Estimates use typical New Hampshire costs — a 1.7% effective property-tax rate, insurance at 0.25% of home value/yr, and PMI below 20% down. Actual town tax rates vary; verify with your lender and the town assessor.
Around This Property
Schools, everyday places and nearby destinations near 80 Constitution Avenue, Portsmouth, NH
Questions About This Listing
What type of home is 80 Constitution Avenue?
Condominium in Portsmouth, New Hampshire, built in 2025.
How much does 80 Constitution Avenue cost?
80 Constitution Avenue in Portsmouth, NH is listed at $719,900.
That works out to about $703 per square foot.
What area is 80 Constitution Avenue in?
The property is in Portsmouth, New Hampshire (03801).
How do I find 80 Constitution Avenue on the MLS?
The MLS number is #5108223 (PrimeMLS), listed on September 4, 2026.
Is 80 Constitution Avenue still available?
The listing's current MLS status is Active. Reach out and we can confirm availability and arrange a showing.
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NOTE: This representation is based in whole or in part on data generated by PrimeMLS, Inc., which assumes no responsibility for its accuracy. The data relating to real estate displayed on this site comes in part from the IDX Program of PrimeMLS.
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