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Second-Floor Office Unit
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26 Market Square, Portsmouth, NH 03801

Portsmouth, NH

Space SizeContact for details
Days on Market104

Property Features for 26 Market Square

General Information

Property type Commercial Lease
Property subtype Other
Zoning CD5
Standard status Active

Utilities

Water source Public

Building Details

Year built 1803
Listing Agency: Compass New England, LLC
Listed By: Robert Marchewka
Added: May 12 Changed: Aug 20 Last Checked: Aug 23 at 8:06AM
MLS# 5088674

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.

Investment Insights

Based on property information with market context.

This office unit occupies the second floor of a commercial building at 26 Market Square in Portsmouth. Windows overlook Market Square, providing a direct connection to the surrounding civic and commercial setting.

Constructed in 1803, the property combines office use with a historic building context. Public water serves the property, and the location carries a Portsmouth, NH 03801 address.

Key Highlights

  • Second‑floor office unit at 26 Market Square
  • Views overlooking Market Square
  • Building constructed in 1803

Property Analytics

Current Use

Market square fauntein Park Borealis Ventures Business Management Consultant Collingsworth Co LLC Financial Advisor

Suggested Use

Top Pick Locksmith (Bike/Boat/Book/etc) Store Auto Parts Store Pet Grooming Service Butcher Catering Service

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

NNN (Triple Net)
Lease Type

Location Intelligence

Trade Area within ½ mile

2,422
Businesses Nearby

Demographics for 03801, NH

22,767
Population
11,448
Households
2
Avg Household Size
43
Median Age
63%
College-Educated
98%
High-School Grad
23.8 sq mi
ZIP Area
957
Density / Sq Mi
$106,520
Median Household Income
$65,984
Median Earnings
$1,783
Median Rent
$647,500
Median Home Value

Market

Lease Benchmarks for Portsmouth, NH

$17.3 /SF/Yr
Avg Asking Price
$1.11–$44.92 /SF/Yr
Price Range
8,124 SF
Avg Space Size

Vacancy Rate% for Office in Northeast region

13.1% 2019
15.4% 2020
17.6% 2021
19.1% 2022
20.2% 2023
20.9% 2024
19.9% 2025
Rey
Questions? Ask Rey
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Frequently Asked Questions

What type of property is this?
Office units - Upper-level workspace with views over Market Square in a historic 1803 building.
Where is this office units located?
The property is located at 26 Market Square Portsmouth, NH.
What are key features of this property?
This property features: Second‑floor office unit at 26 Market Square; Views overlooking Market Square; Building constructed in 1803
More about this property
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