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80 Constitution Avenue, Portsmouth, NH

Condominium

For SaleActive
1 Beds|1 Baths|722 ft²|Built 2025|Portsmouth

Listed by JD Advisors, LLC · Janet Slome

Property Description

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 #221 is a southwest facing with 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. Parking included. 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.

Property Details

Essentials & finishes

  • Bedrooms:1
  • Total Baths:1
  • Full Baths:1
  • SqFt:722
  • Price / SqFt:$602.35
  • Property Type:Condominium
  • Year Built:2025
  • County:NH-Rockingham
  • Town:Portsmouth, NH
  • Status:Active
  • Days on Market:97

Primary Features

CountyNH-Rockingham
Property TypeResidential
Year Built2025
ZoningResidential

Interior Features

AppliancesENERGY STAR Qualified Dishwasher, ENERGY STAR Qualified Dryer, Microwave, Electric Range, ENERGY STAR Qualified Refrigerator, ENERGY STAR Qualified Washer
BasementNo
Basement Access TypeInterior
1/4 Baths0
3/4 Baths0
CoolingCentral Air
Electric150 Amp Service
FlooringCeramic Tile, Other
HeatingElectric, Heat Pump
Interior FeaturesKitchen Island, Kitchen/Dining, Living/Dining, Master BR w/ BA, Walk-In Closet(s), Programmable Thermostat, Smart Thermostat
Rooms - Total4
SqFt-Approximate Finished Above Grade722
SqFt-Approximate Finished Below Grade0
SqFt Approximate Total Finished722
SqFt Approximate Total722

Location Information

School - DistrictPortsmouth
School - ElementaryLittle Harbor School
School - HighPortsmouth High School
School - Middle/JrPortsmouth Middle School

Financial Details

Foreclosed / Bank-Owned / REONo
Association Fee$340
Fee FrequencyMonthly
Fee IncludesLandscaping, Plowing, Trash
Taxes TBDYes

Additional

Construction StatusNew Construction
ConstructionCement Siding
CovenantsYes
Flood ZoneNo
Pre-ConstructionNo
Property Sub TypeCondominium
SeasonalNo
Total StoriesOne
SurveyedYes
Timeshare/Fractional OwnershipNo

External Features

ColorWhite/Grey
DrivewayCommon/Shared, Paved
FoundationPoured Concrete
GarageNo
Lot FeaturesCondo Development
Lot - Acres0
ParkingAssigned, On Site, Parking Spaces 1
Road Frontage TypeAssociation, Paved, Public
Road FrontageTBD
RoofMembrane
SewerPublic Sewer On-Site
UtilitiesCable Connected, Underground Utilities
Water SourcePublic Water On-Site
MLS®: PrimeMLS #5082512; Listed by JD Advisors, LLC · Janet Slome

Property History

Price, listing activity & annual taxes for this property

No sales history available.

Market Data

Live snapshot computed from active listings in this town

  • Active listings in Portsmouth103
  • Average list price$1,321,983
  • Price range$339,900 – $4,250,000
  • Market sentimentBuyer's Market

Mortgage Calculator

Estimate your monthly payment for this home

20%
Loan Term
6.5%
Estimated monthly payment$2,906 / mo
  • Principal & Interest$2,199
  • Property Tax$616
  • Home Insurance$91

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.

$434,900/ Asking Price
For SaleActive
Est. $2,199 / mo20% down · 30yr · 6.5%
Tom DeMatteo

Tom DeMatteo

Owl’s Nest Real Estate · Questions?

401-648-5308

Market Sentiment

Buyer's Market
Buyer’s MarketBalancedSeller’s Market

Based on 103 active · 0 sold in Portsmouth (last 90 days)

PrimeMLS

NOTE: This representation is based in whole or in part on data generated by PrimeMLS, Inc., which assumes no responsibility for its accuracy. The data relating to real estate displayed on this site comes in part from the IDX Program of PrimeMLS.

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Owl's Nest Real Estate

Copyright 2026 PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this Site 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. This display of listings may or may not be the entire Compilation from the PrimeMLS database, and PrimeMLS does not guarantee the accuracy of such information. The listing broker's offer of compensation is made only to other real estate licensees who are participant members of the PrimeMLS.

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