80 Constitution Avenue # 307 Portsmouth, NH $ 539,900
80 Constitution Avenue # 307
$ 539,900
New Construction
Share Save

80 Constitution Avenue # 307

Portsmouth, NH, 03801
$ 539,900
Bedrooms1 Baths1.0 Sq 833

Monthly Estimate*

$ 3,324

Listed by Janet Slome, JD Advisors, LLC, 603-919-0645, jslome@jdadvisors.com
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 1
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 2
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 3
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 4
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 5
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 6
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 7
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 8
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 9
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 10
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 11
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 12
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 13
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 14
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 15
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 16
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 17
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 18
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 19
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 20
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 21
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 22
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 23
80 Constitution Avenue # 307, Portsmouth, NH 03801 - Image 24

Condo for sale in Portsmouth, NH

for $539,900 with 1 bedroom and 1 full bath. This 833 square foot condo was built in 2025.

Experience elevated living at Sage Portsmouth, a premier new condominium community offering concierge services, a club room with terrace, fitness center, game lounge, pet spa, work-from-home spaces, and bike storage. Residence #307 showcases The Harrison, the largest 1-bedroom floor plan, thoughtfully designed to maximize space, light, and functionality. This desirable southeast-facing home features a double vanity in the ensuite bath, additional closet storage rarely found in a 1BR layout, and a private interior balcony that enhances everyday living. Eco-friendly flooring, custom cabinetry, quartz countertops, and under-cabinet lighting create a refined and modern aesthetic throughout. The spacious bedroom offers a walk-in closet and walk-in shower for added comfort and convenience. This 1BR residence also includes two deeded parking spaces, a rare and valuable offering. Ideally located in Portsmouth Green, just minutes from downtown shopping, dining, and fitness studios. Now accepting reservations. Move-in ready. Schedule your private showing today. Images are of model home.

See more

Condo Contingent

Price

$ 539,900

Bedrooms

1

Full Bath

1

Property Type

Condo

Taxes

$ 0

Style

Flat,Garden

Year Built

2025

Town/City

Portsmouth

County/Region

Rockingham

MLS | Web ID

5081801

Features
Interior
Interior Amenities Kitchen Island Kitchen/Dining Laundry Hook-ups Living/Dining Primary BR w/ BA Walk-in Closet Smart Thermostat
Basement No
Flooring Ceramic Tile Manufactured
Beds 1
Total Rooms 4
Total Number of Units 95
See more
General
Road Frontage TBD
Sewer Public Sewer On-Site
Heating Electric Heat Pump
Cooling Central AC
Utilities Cable at Site Underground Utilities
Roof Membrane
Appliances ENERGY STAR Qual Dishwshr ENERGY STAR Qual Dryer Microwave Electric Range ENERGY STAR Qual Fridge ENERGY STAR Qual Washer
Pets Allowed Cats OK Dogs OK Number Limit
Garage No
Flood Zone No
Zoning Residential
HOA Fee 392
3/4 Baths 0
Full Baths 1
Half Baths 0
Bathrooms 1
Year Built 2025
Electric 150 Amp Service
Style Flat Garden
Stories Count 1
Construction Status New Construction
Type Condo
Block 0
Condo Name Sage Portsmouth
Unit Number 307
Condo Fees Yes
Assoc Fee Paid Per Monthly
Status Detail 1
Covenants Yes
Construction Materials Cement Exterior
Directions 80 Constitution Avenue Portsmouth NH 03801 I95 North - Exit 3 Right at lights Right at second lights onto Peverley Hill Road. Next lights Right onto Banfield Road. First Stop Sign (three way Stop)
High School Portsmouth High School
City Portsmouth
School District Portsmouth
Seasonal No
Elementary School Little Harbor School
Middle School Portsmouth Middle School
DOM 0
Price Per Sq Ft Total AG 648.14
See more
Exterior
Lot Features Condo Development
Driveway Common/Shared Paved
Lot Size Area 0
Water Source Public Water On-Site
Parking Features Assigned On-Site Parking Spaces 2
Foundation Poured Concrete
Lot 0
See more
* Excluded Features
List By
Janet Slome

Listing Agent

Jd Advisors, Llc

Broker

(603) 919-0645

Phone

jslome@jdadvisors.com

Email

Affordability Calculator

$3,324
Per Month
100%
0%
0%
Monthly Principal & Interest
$3,324
Monthly Property Taxes
--
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save

Discover how much house you can afford

Your dream home may be within reach.

Learn More about how to save

The time to sell is now
THE TIME TO SELL IS NOW! What's my home worth?
Nearby
1782400 Elementary School
451608 Middle School
Portsmouth High School High School
Pricing History
DatePricePrice ChangeDescription
4/2/2026$539,900 Listed Price

Map


See all

80 Constitution Avenue # 307, Portsmouth, NH, 03801 is a Condo for sale at $539,900 with 833 sqft. 80 Constitution Avenue # 307 has 1 bedrooms, 1.0 baths, and was built in 2025. The property's zip code is 03801 which is in Portsmouth, NH