80 Constitution Avenue #320, Portsmouth, NH, 03801
About This Home
Experience luxury living at Sage Portsmouth, an exceptional new condominium community offering premium amenities, including concierge services, an entertainment lounge, work-from-home spaces, a club room with a terrace, a fitness center, a game lounge, a pet spa, and bike storage. Residence #320 features The Franklin floorplan, a southwest-facing one-bedroom, one-bathroom layout with abundant natural light. The open living area is designed for both comfort and style, with high-end finishes such as eco-friendly engineered flooring, custom cabinetry, stone countertops, under-cabinet lighting, and overhead lighting. The bedroom offers a walk-through closet with direct ensuite access to a bathroom featuring a walk-in shower. Situated in vibrant Portsmouth Green, Sage provides easy access to boutique shopping, McKinnon’s Market, Fresh Press Juice, and fitness studios—all just minutes from downtown Portsmouth. Schedule your appointment today. Images may be of model home.
Getting Around
Car-Dependent
Very Limited Transit
Somewhat BikeableSchools
Construction
Condition
- New construction: Yes
- Year built: 2024
Materials
- Foundation: Poured Concrete
- Roof: Membrane
- Construction materials: Cement Exterior
Type & Style
- Home type: Condo
- Architectural style: Garden
- Property subType: Condominium
Interior
Appliances
- Appliances included: ENERGY STAR Qualified Dishwasher,ENERGY STAR Qualified Dryer,Microwave,Electric Range,ENERGY STAR Qualified Refrigerator,ENERGY STAR Qualified Washer
- Laundry features: Laundry Hook-ups
Basement
- Basement: Interior Entry
Bedrooms & Bathrooms
- Bedrooms: 1
- Bathrooms: 1
- Full bathrooms: 1
Features
- Kitchen Island,Kitchen/Dining,Living/Dining,Primary BR w/ BA,Walk-In Closet(s),Smart Thermostat
- Flooring: Ceramic Tile,Manufactured
- Finished area below ground: 0
- Finished area above ground: 722
Heating & Cooling
- Heating features: Electric,Heat Pump
- Cooling features: Central Air
Interior Area
- Total structure area: 722
- Total interior livable area: 722 sqft
Property
Details
- Zoning description: Residential
Features
- Levels: One
- Stories: 1
Lot
- Features: Condo Development,Wooded
Parking
- Total spaces: 1
- Parking features: Shared Driveway,Paved,Assigned,On Site,Parking Spaces 1
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Coastal Flooding
- Ice Storm
- Tsunami
How This Home’s Risks Compare
FEMA Declared Disasters Across New Hampshire Counties
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $2,376 | $28,512 |
| Home Insurance | $80 | $960 |
| Property Taxes | $524 | $6,288 |
| Electricity | $283 | $3,398 |
| Total | $3,263 | $39,156 |
Income You'd Need if You Spent...
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-05-01 | Listed for sale | $469,900 |
View on Zillow