80 Constitution Avenue, Unit 429Portsmouth, NH 03801MLS Number 5070953

  • Price: $504,900
  • Est. Mortgage of $/month
  • 171 Days on Market
PrintSave Favorite
$
$
%
$/month over payments
Federal 30-year interest rate: 6.36% last updated on May 14, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
Open House
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 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
QR Code
  • 1Bedrooms
  • 1Bathrooms
  • 2025Year Built
  • 720Square Feet
Listed by Janet Slome of JD Advisors,LLC

Driving Directions

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 #429 offers 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. If you enjoy the perfect mix of indoor and outdoor living, this home is made for you! Step outside from your home onto your bright, private terrace where sunshine and fresh air await - an ideal extension of your living space where you can entertain friends and family. Located in Portsmouth Green, Sage offers effortless access to upscale boutique shopping, restaurants, and fitness studios, just minutes from downtown Portsmouth. Photos and video may be of model home.

Open Houses

May 21st
Starts: 11:00am
Ends: 3:00pm
Comments: GPS: 2454 Lafayette Road,Portsmouth or call 603-919-0645 for directions
May 23rd
Starts: 11:00am
Ends: 3:00pm
Comments: GPS: 2454 Lafayette Road,Portsmouth or call 603-919-0645 for directions
May 24th
Starts: 11:00am
Ends: 3:00pm
Comments: GPS: 2454 Lafayette Road,Portsmouth or call 603-919-0645 for directions

Ask A Question

Do not fill in this field:

I agree to receive marketing and customer service calls and text messages from Ruedig Realty. To opt out, you can reply 'stop' at any time or click the unsubscribe link in the emails. Consent is not a condition of purchase. Msg/data rates may apply. Msg frequency varies. Privacy Policy.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

More Info

Rooms

  • Full Bath1

Building

  • Year Built2025
  • ConstructionCement Exterior
  • GarageNo
  • Unit Number429
  • 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$339
  • Date Price Change04/07/2026
  • FrequencyMonthly
  • Unadjusted TaxesUnknown
  • SurveyedYes
  • SeasonalNo
  • Time ShareNo
  • Association AmenitiesBuilding Maintenance, Clubhouse, Exercise Facility, Master Insurance, Indoor Storage, Landscaping, Common Acreage, Elevator(s), Security, Snow Removal, Trash Removal
  • Date Listed12/01/2025
  • View Count7

Basic Information

  • List Price$504,900
  • Square Feet720
  • StatusACT
  • Bedrooms1
  • Bathroom1
  • StyleFlat, Garden
  • New ContructionNew Construction
  • MLS Number5070953
  • MLS StatusActive

Interior

  • FloorsCeramic Tile, Other
  • Interior FeaturesKitchen Island, Kitchen/Dining, 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

  • PetsCats OK, Dogs OK, Number Limit
  • PricePerSqFt701.25
Ruedig Realty

Your Local Office

More Info »
Ruedig Realty
Office: 603-228-1947
125 N. State Street
Concord, NH 03301
Broker Reciprocity 

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, 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 May 21, 2026 12:22 AM EDT

 

I agree to receive marketing and customer service calls and text messages from Ruedig Realty. To opt out, you can reply 'stop' at any time or click the unsubscribe link in the emails. Consent is not a condition of purchase. Msg/data rates may apply. Msg frequency varies. Privacy Policy.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

$

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.