80 Constitution Avenue, Unit 306Portsmouth, NH 03801MLS Number 5067121

  • Price: $429,900
  • Est. Mortgage of $/month
  • 90 Days on Market
$
$
%
$/month over payments
Federal 30-year interest rate: 6.06% last updated on Jan 15, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
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Active with Contract
80 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 0380180 Constitution Avenue Portsmouth NH 03801
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  • 1Bedrooms
  • 1Bathrooms
  • 2025Year Built
  • 615Square Feet

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Listed by Janet Slome of JD Advisors,LLC
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, bike storage, and EV charging stations. Residence #306 is far from your typical studio. Thoughtfully designed, it 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.

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More Info

Rooms

  • Full Bath1

Building

  • Year Built2025
  • ConstructionCement Exterior
  • GarageNo
  • Unit Number306
  • Total Rooms2
  • FoundationPoured Concrete

Property

  • AreaNH-Rockingham
  • Property TypeCondo
  • Road FrontageTBD
  • DrivewayCommon/Shared, Paved
  • RoadsAssociation, Paved, Public
  • Lot DescriptionCondo Development, Wooded

Other

  • Fee IncludesLandscaping, Plowing, Trash
  • HOA Fee$290
  • Date Price Change10/24/2025
  • FrequencyMonthly
  • Unadjusted TaxesYes
  • SurveyedYes
  • SeasonalNo
  • Time ShareNo
  • Association AmenitiesClubhouse, Exercise Facility, Indoor Storage, Landscaping, Common Acreage, Elevator(s)
  • Date Listed10/24/2025
  • Delayed ShowingsNo
  • View Count12

Basic Information

  • List Price$429,900
  • Square Feet615
  • StatusActive With Contract
  • Bedrooms1
  • Bathroom1
  • StyleFlat, Garden
  • New ContructionNew Construction
  • MLS Number5067121
  • MLS StatusActive Under Contract

Interior

  • FloorsCeramic Tile, Other
  • Interior FeaturesKitchen/Dining, Living/Dining, Primary BR w/ BA, Smart Thermostat
  • Stories1

Utilities

  • Electric150 Amp Service
  • WaterPublic Water On-Site
  • Heating CoolingElectric, Heat Pump
  • SewerPublic Sewer On-Site
  • UtilitiesCable at Site, Underground Utilities

Location

  • TownPortsmouth
  • StateNH
  • Zip03801
  • CountyRockingham
  • ZoningResidential
  • ComplexSage Portsmouth
  • DistrictPortsmouth
  • Flood ZoneUnknown
  • Elementary SchoolLittle Harbor School
  • Junior HighPortsmouth Middle School
  • High SchoolPortsmouth High School
  • Address80 Constitution Avenue

Exterior

  • Exterior ColorWhite/Grey
  • RoofMembrane

Amenities

  • PetsCats OK, Dogs OK, Number Limit
  • PricePerSqFt699.02
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