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$599,900
New Listing

Sage Portsmouth
80 Constitution Avenue 331
Portsmouth, NH 03801

For Sale|Condominium|Active
2
Beds
2
Total Baths
2
Full Baths
975
SqFt
$615
/SqFt
2025
Built
County:
NH-Rockingham
Listing courtesy of Janet Slome of JD Advisors, LLC

Due to the health concerns created by Coronavirus we are offering personal 1-1 online video walkthough tours where possible.

80 Constitution Avenue 33180 Constitution Avenue 33180 Constitution Avenue 33180 Constitution Avenue 331
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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. Residence #331 features a bright, open-concept layout with abundant natural light streaming through oversized windows. The home’s premium finishes include a chef’s kitchen with a large freestanding island, a primary suite with a generous walk-in closet, and an ensuite bath with a beautifully tiled, stand-up shower. Need a second bedroom that doubles as an office or guest space? This residence has you covered. Step out onto your private balcony to savor a morning coffee or unwind with an evening glass of wine. 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're excited to welcome you home. Photos and video may be of model home.

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Listing Snapshot
Price 
$599,900
Days On Site 
0 Days
Bedrooms 
2
Inside Area (SqFt) 
975 sqft
Total Baths 
2
Full Baths 
2
Partial Baths 
N/A
Lot Size 
N/A
Year Built 
2025
MLS® Number 
5075822
Status 
Active
Property Tax 
N/A
HOA/Condo/Coop Fees 
$459 monthly
Sq Ft Source 
N/A
Friends & Family
Recent Activity
7 hours agoListing updated with changes from the MLS®
7 hours agoListing first seen on site
General Features
Garage 
Yes
Garage Spaces 
1
Number Of Stories 
1
Parking 
PavedShared DrivewayAssignedGarageOn SiteElectric Vehicle Charging Station(s)
Parking Spaces 
1
Property Condition 
New Construction
Property Sub Type 
Condominium
Security 
Security System
Sewer 
Public Sewer
SqFt Above 
975
SqFt Total 
975
Style 
FlatGarden
Utilities 
Water AvailableUnderground UtilitiesCable Available
Zoning 
Residential
Interior Features
Appliances 
ENERGY STAR Qualified DishwasherDryerMicrowaveElectric RangeENERGY STAR Qualified DryerENERGY STAR Qualified RefrigeratorENERGY STAR Qualified Washer
Cooling 
Central Air
Electric 
150 Amp Service
Flooring 
Ceramic TileOther
Heating 
ElectricHeat Pump
Interior 
ElevatorKitchen IslandSmart ThermostatWalk-In Closet(s)High Speed Internet
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Exterior Features
Construction Details 
Cement Siding
Exterior 
Balcony
Lot Features 
Corner Lot
Roof 
Membrane
Community Features
Association Amenities 
ClubhouseLandscapingElevator(s)SecuritySnow RemovalMaintenance StructureFitness CenterStorageInsuranceTrash
Association Dues 
459
HOA Fee Frequency 
Monthly
Roads 
Paved
School District 
Portsmouth
Schools
School District
Portsmouth
Elementary School
Little Harbor School
Middle School
Portsmouth Middle School
High School
Portsmouth High School
Listing courtesy of Janet Slome of JD Advisors, LLC



Copyright 2026, 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, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Last checked: 2026-02-05 10:56 PM UTC
Neighborhood & Commute
Source: Walkscore
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