Listed by The Aland Realty Group · Jeffrey Mountjoy · 603-501-0463
673 South Street, Portsmouth, NH
Condominium
Listed by The Aland Realty Group · Jeffrey Mountjoy · 603-501-0463
Property Description
673 South Street sits in Portsmouth, New Hampshire — a condominium offering 2 bedrooms, 1 bathroom and 848 square feet of living space. The asking price is $425,000. Condos in this corridor are the low-maintenance way into the market — association-managed exteriors, shared amenities and predictable monthly costs. Beyond the basics, the listing carries garage parking for 1, 1970 construction and roughly $501 per square foot. See the listing's full details below, and reach out for a private showing of 673 South Street.
One floor living. Discover the potential of this two-bedroom Portsmouth condo, ideally situated just a short distance from downtown market square, local parks and recreation areas, local shops cafes, and restaurants. Light bright south facing unit. Featuring wood floors throughout and the convenience of a one-car garage, plus off-street parking for one car. This property offers a wonderful opportunity to bring your vision to life. This condo is in the perfect location, accessible to major routes. Professionally managed condominium. association. A wonderful opportunity to enter the Portsmouth market.
Location Highlights
673 South Street is a condominium in Portsmouth, New Hampshire, listed at $425,000. That works out to about $501 per square foot, for a home built in 1970. It has been on the market for 3 days.
At this latitude, Portsmouth averages roughly 8.4 hours of sun a day in June and 3.6 in December.
Zoned schools in the Portsmouth: Little Harbor School (Elementary), Portsmouth Middle School (Middle), Portsmouth (High). Always confirm zoning with the district office.
Source: zoned school names are PrimeMLS listing data; distances, sun exposure and school facts are Owl’s Nest Real Estate additions (school facts from the NCES, U.S. Department of Education) — not PrimeMLS data.
Property Details
Essentials & finishes
- Bedrooms:2
- Total Baths:1
- Full Baths:1
- SqFt:848
- Price / SqFt:$501.18
- Property Type:Condominium
- Year Built:1970
- County:NH-Rockingham
- Town:Portsmouth, NH
- Status:Active
- Days on Market:3
Primary Features
Interior Features
Location Information
Financial Details
Additional
External Features
Property History
Estimated annual taxes for this property
| Year | Est. Tax |
|---|---|
| 2024 | $7,225 |
| 2023 | $7,044 |
| 2022 | $6,864 |
Source: Owl’s Nest Real Estate estimate from the list price at New Hampshire’s average effective tax rate — not PrimeMLS or town assessor data. Verify with the town assessor.
Market Data
Live snapshot computed by Owl’s Nest Real Estate from PrimeMLS IDX active listings in this town
- Active listings in Portsmouth122
- Average list price$852,321
- Price range$355,000 – $2,639,000
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- Principal & Interest$2,149
- Property Tax$602
- Home Insurance$89
Source: Owl’s Nest Real Estate estimate, not PrimeMLS data. Estimates use typical New Hampshire costs — a 1.7% effective property-tax rate, insurance at 0.25% of home value/yr, and PMI below 20% down. Actual town tax rates vary; verify with your lender and the town assessor.
Around This Property
Schools, everyday places and nearby destinations near 673 South Street, Portsmouth, NHSource: Google Maps Platform (Places) and Owl’s Nest Real Estate — not PrimeMLS data.
Listed by The Aland Realty Group · Jeffrey Mountjoy · 603-501-0463
Owl’s Nest Real Estate estimate, not MLS data.
Questions About This Listing
What is the asking price of 673 South Street?
673 South Street in Portsmouth, NH is listed at $425,000.
That works out to about $501 per square foot.
What is the MLS number for 673 South Street?
The MLS number is #5115421 (PrimeMLS), listed on October 23, 2026.
Where is 673 South Street located?
The property is in Portsmouth, New Hampshire (03820).
What kind of property is 673 South Street?
Condominium in Portsmouth, New Hampshire, built in 1970.
How big is 673 South Street?
The home has 2 bedrooms and 1 bathroom.
It offers 848 square feet of living space.
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NOTE: This representation is based in whole or in part on data generated by PrimeMLS, Inc., which assumes no responsibility for its accuracy. The data relating to real estate displayed on this site comes in part from the IDX Program of PrimeMLS.
This listing data is intended 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 10/26/26.