Skip main navigation
Active
    • Listed by: JD Advisors, LLC • Janet Slome
    $429,900

    80 Constitution Avenue #406, Portsmouth, NH 03801

    1beds
    615sqft
    : 
    $2,841/mo
    Get pre-qualified
    Condominium
    Built in 2025
    -- sqft lot
    $-- Zestimate®
    $699/sqft
    $-- HOA

    What's special

    Treetop viewsAbundance of natural lightOversized windowsPremium finishesSmart layout
    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 #406 is the final studio residence in the building & on the top floor. Far from your typical studio, it is thoughtfully designed and features a separate sleeping area with a generous closet and pocket doors for added privacy. Oversized windows, a smart layout, and premium finishes create a space that truly stands out. Enjoy treetop views and an abundance of natural light adding a touch of serenity and an extra layer of charm to this exceptional home. 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 so excited to welcome you home. Photos and video may be of model home.
    1 day
    97
    6

    Zillow last checked:

    Listing updated:

    Listed by:

    Janet Slome,

    JD Advisors, LLC 508-277-7707,

    Lauren E Addante,

    JD Advisors, LLC

    Source: PrimeMLS,MLS#: 5107819MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 1
      • Bathrooms: 1
      • Full bathrooms: 1
      Heating
      • Electric, Heat Pump
      Cooling
      • Central Air
      Appliances
      • Included: ENERGY STAR Qualified Dishwasher, ENERGY STAR Qualified Dryer, Microwave, Electric Range, ENERGY STAR Qualified Refrigerator, ENERGY STAR Qualified Washer
      Features
      • Kitchen/Dining, Living/Dining, Primary BR w/ BA, Smart Thermostat
      • Flooring: Ceramic Tile, Other
      • Basement: Interior Entry
      Interior area
      • Total structure area: 615
      • Total interior livable area: 615 sqft
      • Finished area above ground: 615
      • Finished area below ground: 0

      Property

      Parking
      • Total spaces: 1
      • Parking features: Shared Driveway, Paved, Assigned, On Site, Parking Spaces 1
      Features
      • Levels: One
      • Stories: 1
      Lot
      • Features: Condo Development, Wooded
      Details
      • Zoning description: Residential

      Construction

      Type & style
      • Home type: Condo
      • Architectural style: Garden
      • Property subtype: Condominium
      Materials
      • Cement Exterior
      • Foundation: Poured Concrete
      • Roof: Membrane
      Condition
      • New construction: Yes
      • Year built: 2025

      Utilities & green energy

      • Electric: 150 Amp Service
      • Utilities for property: Cable at Site, Underground Utilities, Sewer Connected

      Community & HOA

      HOA
      • Amenities included: Fitness Center, Landscaping, Common Acreage
      • Services included: Maintenance Grounds, Plowing, Trash
      • Additional fee info: Fee: $290
      Location
      • Region: Portsmouth

      Financial & listing details

      • Price per square foot: $699/sqft
      • Date on market: 9/2/2026
      • Road surface type: Paved

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        9/2/2026Listed for sale$429,900$699/sqft
        Source: PrimeMLS #5107819 Report a problem

        Public tax history

        Tax history is unavailable.

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        See how much you could borrow to make a competitive offer.
        Get pre-qualified

        Climate risks

        Neighborhood: 03801

        Getting around

        47 / 100
        Car-Dependent
        43 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Little Harbor School
        • Middle: Portsmouth Middle School
        • High: Portsmouth High School
        • District: Portsmouth

        Source: PrimeMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

        A local agent can set up tours, give advice and negotiate with sellers.

        A local lender can help you make sure your offer is ready when you are.

        Browse local experts

        Similar homes

              Nearby cities

              Nearby zip codes

              Other Portsmouth Topics

                Search
                Updates
                Favorites
                Plan
                Inbox