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$739,900
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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 #403 features a unique, bright, open-concept layout with abundant natural light streaming through oversized windows. The only home of its kind for sale, premium finishes in #403 include a chef's kitchen, primary suite with a generous walk-in closet and ensuite bath with double vanity. 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 overlooking Portsmouth Green. Sage offers effortless access to upscale boutique shopping, restaurants, and fitness studios; also just minutes from downtown Portsmouth. Move-in ready! Book a private showing today. We are so excited to welcome you home. Open House, Model Homes: Saturday - Thursday, 11am - 3pm or By Appointment. GPS: 2454 Lafayette Road, Portsmouth. Photos and video may be of model home.
Full Property Details
Full Property Details for 80 Constitution Ave #403
General
- Price: $739,900
- Status: Active
- Type: Condo
- Source: PrimeMLS
- MLS ID: 5073228
- Updated: 1/6/2026
- Added to Site: 11 day(s) ago
Interior
- Number of Rooms: 6
- Interior Features: Elevator, Passenger Elevator, Kitchen Island, Kitchen/Dining, Living/Dining, Primary BR w/ BA, Natural Light, Other, Security, Indoor Storage, Walk-In Closet, Common Heating/Cooling, Smart Thermostat
- Appliances: ENERGY STAR Qual Dishwshr, ENERGY STAR Qual Dryer, Microwave, Electric Range, ENERGY STAR Qual Fridge, ENERGY STAR Qual Washer
- Flooring: Ceramic Tile, Other
Rooms
Bathrooms
- Total Bathrooms: 2
- Full Bathrooms: 2
Bedrooms
- Total Bedrooms: 2
Exterior
- Exterior Features: Balcony
- Color: White/Grey
Parking
- Garage: Yes
- Garage Spaces: 1
- Parking: Deeded, Garage, On-Site, Parking Spaces 2, EV Charging Station(s)
Location
- County: Rockingham
- Condo Project Name: Sage Portsmouth
- Driving Directions: GPS: 2454 Lafayette Road, Portsmouth, NH 03801
School Information
- School District: Portsmouth
- Elementary School: Little Harbor School
- Middle School: Portsmouth Middle School
- High School: Portsmouth High School
Heating & Cooling
- Cooling Type: Central AC
- Heating Type: Heat Pump
Utilities
- Sewer: Public Sewer On-Site
Structural Information
- Construction Status: New Construction
- Basement Entrance: Interior
- Roof: Membrane
- Stories/Levels: 1
- Square Feet: 1,000
- Finished Total: 1,000 Sq. Ft.
- Finished Above Grnd: 1,000 Sq. Ft.
- Year Built: 2025
Unit Information
- Units in Building: 95
Lot Features
- Frontage: TBD
- Driveway/Sidewalk: Common/Shared, Paved
- Zoning: Residential
Financial Considerations
- Price Per Sq. Ft.: $739.9
- Other Fee: Fee 1: $471
- Other Fee Type: Fee 1 Includes: Landscaping, Plowing, Trash
- Other Fee Freq.: Fee 1 Frequency: Monthly
Disclosures and Reports
- Surveyed: Yes
Listed by JD Advisors, LLC, Janet Slome
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Schools
Schools serving 80 Constitution Ave #403
School District:Portsmouth School District, Portsmouth, NH
| Name | Grades | Distance |
|---|---|---|
Mary C. Dondero Elementary School 32 Van Buren Avenue, Portsmouth, NH 03801 | K-5 | 0.9 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 80 Constitution Ave #403
Date
Details
Price
Change
Source
1/06/2026
Listed
$739,900
71.67%
MLS
12/18/2025
Sold
$431,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 80 Constitution Ave #403
Year
Property Taxes
Change
Tax Assessment
Change
2024
$134,199
121%
$12,003,520
219%
2023
$60,683
6%
$3,762,100
—
2022
$57,184
1%
$3,762,100
—
2021
$56,544
2%
$3,762,100
—
2020
$55,303
-1%
$3,762,100
—
2019
$55,885
1%
$3,760,800
8%
2018
$55,139
3%
$3,481,000
—
2017
$53,538
—
$3,481,000
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 80 Constitution Ave #403
80 Constitution Avenue #403, Portsmouth, NH 03801 (MLS# 5073228) is a Condo property with 2 bedrooms and 2 full bathrooms. 80 Constitution Avenue #403 is currently listed for $739,900 and was received on January 06, 2026. Want to learn more about 80 Constitution Avenue #403? Do you have questions about finding other Condo real estate for sale in Portsmouth? You can browse all Portsmouth real estate or contact a Coldwell Banker agent to request more information.

