Commercial Sale at 98 Cornwall Street, Portsmouth
Commercial Sale at 98 Cornwall Street, Portsmouth, photo 2 of 19
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$1,000,000

Under contract
98 Cornwall Street
Portsmouth, NH 03801
Listed by Deborah L Lynch · KW Coastal and Lakes & Mountains Realty
Bedrooms
N/A
Bathrooms
N/A
Living area
N/A
Year built
1965

About this home

To be SOLD TOGETHER with 94 Langdon St (MLS# 506197) for TOTAL of $2,000,000. Walking distance to downtown Portsmouth, this expansive waterfront lot on the North Mill Pond offers incredible versatility. Currently featuring industrial and office buildings with space for a wide variety of businesses, the property also presents the unique opportunity to reimagine the site for luxury living. With its large size, prime location and direct water access, this is a rare chance for investors, developers, or visionaries to bring their plans to life - whether commercial, residential or a combination of both.

Highlights

Waterfront

Property details

MLS
Prime MLS
MLS #
5061951
Property type
Commercial Sale
Subdivision
N/A
Status
Under contract
Days on market
83
On market date
N/A
Stories
N/A
Total bathrooms
N/A
Garage spaces
N/A
Parking spaces
N/A
Lot size
0.41 acres
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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.

Elementary
New Franklin School
0.56 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
0.36 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
1.05 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).

79
Walkable
out of 100
EPA National Walkability Index
12.8 / 20 -- Above average walkable
Google Places amenity density
100 / 100
Restaurants & cafes20
Grocery stores7
Parks19
Schools17
Transit stops20
Pharmacies2

Market position

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

On the market 83 days -- 28 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
$6,172/mo
$200,000 down
$800,000 loan
Principal & interest$5,189
Property tax (est.)$833
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 05/27/26.