Experience luxury living at Sage Portsmouth, an exceptional new condominium community offering premium amenities, Two parking spaces, concierge services, entertainment lounge, work-from-home spaces, club room with a terrace, fitness center, game lounge, pet spa, bike storage, and EV charging. Residence #407 showcases The Harrison floorplan, a southeast-facing one-bedroom, one-bathroom home with Interior Balcony. The open concept living area features eco-friendly flooring, custom cabinetry, quartz countertops, and under-cabinet lighting. The bedroom includes a walk-in closet with ensuite bath with Double Vanity and a walk-in shower. Located in Portsmouth Green, Sage offers easy access to boutique shopping, restaurants, and fitness studios-all just minutes from downtown Portsmouth. Now accepting reservations. Move-in Ready. Schedule your appointment and preview today.

More Info

Rooms

Full Bath1

Building

Year Built2025
ConstructionCement Exterior
GarageNo
Unit Number407
Total Rooms4
FoundationPoured Concrete

Property

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

Other

Fee IncludesLandscaping, Plowing, Trash
HOA Fee$392
Date Price Change09/18/2025
FrequencyMonthly
Unadjusted TaxesYes
SurveyedYes
SeasonalNo
Time ShareNo
Association AmenitiesClubhouse, Exercise Facility, Indoor Storage, Landscaping, Common Acreage, Elevator(s)
Date Listed09/18/2025
Delayed ShowingsNo

Basic Information

List Price$649,900
Square Feet833
StatusACT
Bedrooms1
Bathroom1
StyleFlat, Garden
New ContructionNew Construction
MLS Number5061972
MLS StatusActive

Interior

FloorsCeramic Tile, Manufactured
Interior FeaturesKitchen Island, Kitchen/Dining, Laundry Hook-ups, Living/Dining, Primary BR w/ BA, Walk-in Closet, 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 ZoneNo
Elementary SchoolLittle Harbor School
Junior HighPortsmouth Middle School
High SchoolPortsmouth High School
Address80 Constitution Avenue

Exterior

Exterior ColorWhite/Grey
RoofMembrane

Amenities

PricePerSqFt780.19

Copyright 2025 PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this display comes in part from the IDX Program of PrimeMLS. The information being provided is 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 November 17, 2025 7:07 AM EST

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