# 80 Constitution Avenue, Portsmouth, NH 03801

> **TL;DR:** 1bd/1ba condo, $504,900 ($701/sqft), built 2025, 720 sqft. Est. $2,188/mo. Listed 130 days.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $504,900 |
| Price/sqft | $701 |
| Bedrooms | 1 |
| Bathrooms | 1 full |
| Square Feet | 720 |
| Year Built | 2025 |
| Stories | 1 |
| Property Type | Condo (Condominium) |
| Status | For Sale |
| Days on Market | 130 |

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Mortgage (20% down, 6.5%) | $2,188 |
| **Total** | **$2,188** |

## Nearby Schools

- **Elementary:** Little Harbor School
- **Middle:** Portsmouth Middle School
- **High:** Portsmouth High School

## Property Highlights

- Built in 2025

## Description

### Agent 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, 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.

## Location

- **Address:** 80 Constitution Avenue, Portsmouth, NH 03801
- **County:** Rockingham

## Listing Agent

- **Name:** Janet Slome
- **Brokerage:** JD Advisors, LLC
- **Phone:** 6039190645
- **Email:** jslome@jdadvisors.com

## Primary Photo

![80 Constitution Avenue - Primary Photo](http://lh.rdcpix.com/7ccfc3c9ab5ffde7f116492705759ec1l-f2900702166r.jpg)

*32 total photos available on [listing page](https://www.propertysimple.com/listing/80-constitution-avenue-portsmouth-nh-03801-5070953)*

---

**MLS#:** 5070953 | **Updated:** 2026-04-24
**Source:** listhub

*Copyright © 2026 PrimeMLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.*

[View on PropertySimple](https://www.propertysimple.com/listing/80-constitution-avenue-portsmouth-nh-03801-5070953)

---

## Structured Data

```json
{
  "@context": "https://schema.org",
  "@type": "RealEstateListing",
  "name": "80 Constitution Avenue, Portsmouth, NH 03801",
  "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, 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 e",
  "url": "https://www.propertysimple.com/listing/80-constitution-avenue-portsmouth-nh-03801-5070953",
  "image": "http://lh.rdcpix.com/7ccfc3c9ab5ffde7f116492705759ec1l-f2900702166r.jpg",
  "datePosted": "2026-04-24",
  "price": 504900,
  "priceCurrency": "USD",
  "address": {
    "@type": "PostalAddress",
    "streetAddress": "80 Constitution Avenue",
    "addressLocality": "Portsmouth",
    "addressRegion": "NH",
    "postalCode": "03801",
    "addressCountry": "US"
  },
  "numberOfRooms": 1,
  "numberOfBathroomsTotal": 1,
  "floorSize": {
    "@type": "QuantitativeValue",
    "value": 720,
    "unitCode": "FTK"
  },
  "yearBuilt": 2025
}
```