Listed by JD Advisors, LLC · Janet Slome · 508-277-7707
80 Constitution Avenue, Portsmouth, NH
Condominium
Listed by JD Advisors, LLC · Janet Slome · 508-277-7707
Property Description
Offered at $779,900, this Portsmouth condominium at 80 Constitution Avenue pairs New Hampshire living with everyday convenience. It counts 2 bedrooms, 2 bathrooms and 1,194 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 $653 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. Embrace modern comfort at Sage Portsmouth, an exceptional new condominium community offering premium amenities, concierge services, entertainment lounge, work-from-home spaces, club room with a terrace, fitness center, game lounge, pet spa, bike storage, and more. Residence #227 features The Wadsworth floorplan, a northeast-facing two-bedroom, two-bathroom home with a chef’s kitchen featuring a generous layout and built-in pantry for additional cabinet space. Overlooking the community outdoor terrace space, this home offers a private patio to extend your living area outdoors. The open concept living area separates the two bedrooms, with the primary suite featuring a walk-in closet and ensuite bath with double vanity and walk-in shower, while the second bedroom is near a full bath with a bathtub. Two tandem parking spaces included. Nestled in Portsmouth Green, Sage is just minutes from McKinnon’s Market, restaurants, and boutique shopping. Move-in Ready. Schedule your appointment and preview today.
Location Highlights
80 Constitution Avenue is a condominium in Portsmouth, New Hampshire, listed at $779,900. That works out to about $653 per square foot, for a home built in 2025. It has been on the market for 7 weeks.
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.
Source: zoned school names are PrimeMLS listing data; distances, sun exposure and school facts are Owl’s Nest Real Estate additions (school facts from the NCES, U.S. Department of Education) — not PrimeMLS data.
Property Details
Essentials & finishes
- Bedrooms:2
- Total Baths:2
- Full Baths:2
- SqFt:1,194
- Price / SqFt:$653.18
- Property Type:Condominium
- Year Built:2025
- County:NH-Rockingham
- Town:Portsmouth, NH
- Status:Active
- Days on Market:44
Primary Features
Interior Features
Location Information
Financial Details
Additional
External Features
Property History
Estimated annual taxes for this property
| Year | Est. Tax |
|---|---|
| 2024 | $13,258 |
| 2023 | $12,927 |
| 2022 | $12,595 |
Source: Owl’s Nest Real Estate estimate from the list price at New Hampshire’s average effective tax rate — not PrimeMLS or town assessor data. Verify with the town assessor.
Market Data
Live snapshot computed by Owl’s Nest Real Estate from PrimeMLS IDX active listings in this town
- Active listings in Portsmouth122
- Average list price$852,321
- Price range$355,000 – $2,639,000
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- Principal & Interest$3,944
- Property Tax$1,105
- Home Insurance$162
Source: Owl’s Nest Real Estate estimate, not PrimeMLS data. 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, NHSource: Google Maps Platform (Places) and Owl’s Nest Real Estate — not PrimeMLS data.
Listed by JD Advisors, LLC · Janet Slome · 508-277-7707
Owl’s Nest Real Estate estimate, not MLS data.
Questions About This Listing
What area is 80 Constitution Avenue in?
The property is in Portsmouth, New Hampshire (03801).
What type of home is 80 Constitution Avenue?
Condominium in Portsmouth, New Hampshire, built in 2025.
How many bedrooms and bathrooms does 80 Constitution Avenue have?
The home has 2 bedrooms and 2 bathrooms.
It offers 1,194 square feet of living space.
How much does 80 Constitution Avenue cost?
80 Constitution Avenue in Portsmouth, NH is listed at $779,900.
That works out to about $653 per square foot.
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.
This listing data is intended 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 10/26/26.