Commercial Sale at 330 Borthwick Avenue, Portsmouth
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$550,000

330 Borthwick Avenue
Portsmouth, NH 03801
Listed by Peter Montesanto · Duston Leddy Real Estate
Bedrooms
N/A
Bathrooms
N/A
Living area
N/A
Year built
1986

About this home

This rare medical/commercial condominium is available for sale in the Jackson Gray Medical Building, ideally located directly across the street from Portsmouth Regional Hospital. The property offers ample on-site parking, including additional accessible parking spaces, and enjoys exceptional accessibility just off U.S. Route 1 with immediate access to I-95 and the Portsmouth Rotary. Situated in Portsmouth—the primary hub for medical services and healthcare facilities in New Hampshire—this location provides outstanding visibility and convenience for medical, healthcare, or professional office users.

Property details

MLS #
5094209
Property type
Commercial Sale
Subdivision
N/A
Status
Active
Days on market
63
On market date
N/A
Stories
N/A
Total bathrooms
N/A
Garage spaces
N/A
Parking spaces
N/A
Lot size
N/A
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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card (e.g. NC Dept. of Public Instruction, SC Report Card).

Elementary
New Franklin School
0.99 mi away · Grades 0-5
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
265
Student:teacher ratio
10.6:1
District
Portsmouth School District
Middle
Portsmouth Middle School
1.49 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
491
Student:teacher ratio
10.4:1
District
Portsmouth School District
High
Portsmouth High School
1.12 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
1,049
Student:teacher ratio
11.7:1
District
Portsmouth School District

Walkability

Blended score for Portsmouth's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

39
Car-dependent
out of 100
EPA National Walkability Index
5.5 / 20 -- Least walkable
Google Places amenity density
55 / 100
Restaurants & cafes2
Grocery stores1
Parks5
Schools6
Transit stops8
Pharmacies1

Market position

How this listing compares to current activity in Portsmouth, from live MLS data.

On the market 63 days -- 48 fewer days than Portsmouth's current average of 111 days.
For reference, the median list price across 236 active listings in Portsmouth right now is $534,900.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

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Est. monthly payment
$3,462/mo
$110,000 down
$440,000 loan
Principal & interest$2,854
Property tax (est.)$458
Home insurance (est.)$150

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Copyright 2026 PrimeMLS. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this Site comes in part from the IDX Program of PrimeMLS. The information being provided is 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 06/11/26.