80 Constitution Avenue, Portsmouth, NH
Condominium
Listed by JD Advisors, LLC · Janet Slome
Property Description
Welcome to 80 Constitution Avenue, a condominium in Portsmouth, New Hampshire. The home offers 1 bedroom, 1 bathroom and 722 square feet of living space, listed at $419,900. Condo ownership here means the plowing, mowing and exterior upkeep belong to the association — the weekend belongs to you. The numbers worth knowing: 2025 construction and roughly $582 per square foot. See the listing's full details below, and reach out for a private showing of 80 Constitution Avenue.
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 #216 offers 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. If you enjoy the perfect mix of indoor and outdoor living, this home is made for you! Step outside from your home onto your bright, private patio where sunshine and fresh air await, an ideal extension of your living space where you can entertain friends and family. 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.
Location Highlights
80 Constitution Avenue is a condominium in Portsmouth, New Hampshire, listed at $419,900. That works out to about $582 per square foot, for a home built in 2025. It has been on the market for 9 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:1
- Total Baths:1
- Full Baths:1
- SqFt:722
- Price / SqFt:$581.58
- Property Type:Condominium
- Year Built:2025
- County:NH-Rockingham
- Town:Portsmouth, NH
- Status:Active
- Days on Market:9
Primary Features
Interior Features
Location Information
Financial Details
Additional
External Features
Property History
Annual taxes for this property
| Year | Assessed Tax |
|---|---|
| 2024 | $7,138 |
| 2023 | $6,960 |
| 2022 | $6,781 |
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
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- Principal & Interest$2,123
- Property Tax$595
- Home Insurance$87
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 $419,900.
That works out to about $582 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 #5107822 (PrimeMLS), listed on September 2, 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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