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Corner Office Building
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3 Portsmouth Avenue, Exeter, NH 03833

COMMERCIAL - Exeter, NH

Property SizeContact for details
Lot Size0.20 Acres
Days on Market6

Property Features for 3 Portsmouth Avenue

General Information

Property type Commercial Sale
Property subtype Other
Zoning C-1
Standard status Active
Lot size 0.20 Acres

Utilities

Utilities Cable Available
Water source Public

Amenities

dedicated bathrooms

Building Details

Year built 1865
Listing Agency: KW Coastal and Lakes & Mountains Realty · Keller Williams Realty
Listed By: Michael Whitney
Added: Aug 5 Last Checked: Aug 10 at 11:06PM
MLS# 5103512

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 0.2-acre office property, built in 1865, combines a flexible interior arrangement with preserved character. Multiple spacious rooms can be configured as private offices, consultation areas, or conference rooms, while four dedicated bathrooms support daily operations. Wide-plank hardwood floors, updated finishes, and abundant natural light contribute to a professional setting. Public water service is in place, with cable available.

The building occupies a corner at Portsmouth Avenue and Auburn Street in Exeter, providing a prominent position near Downtown Exeter’s dining and retail area. C-1 zoning allows professional office uses, client-facing services, and a custom mixed-use configuration as described in the property information. The layout and existing finishes provide a practical foundation for a law firm, accounting practice, medical office, or other professional service operation.

Key Highlights

  • 0.2‑acre corner property at Portsmouth Avenue and Auburn Street
  • C‑1 Commercial Zone
  • Built in 1865 with wide‑plank hardwood floors and updated finishes

Property Analytics

Current Use

Office buildings

Suggested Use

Top Pick HVAC Service Electrical Service Kitchen & Bath Showroom (Bike/Boat/Book/etc) Store Plumbing Service Garden Center

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

Location Intelligence

Trade Area within ½ mile

1,275
Businesses Nearby

Demographics for 03833, NH

22,662
Population
9,789
Households
2.3
Avg Household Size
47
Median Age
54%
College-Educated
98%
High-School Grad
48.5 sq mi
ZIP Area
467
Density / Sq Mi
$110,566
Median Household Income
$59,220
Median Earnings
$1,632
Median Rent
$456,000
Median Home Value

Market

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 building - Flexible rooms, professional finishes, and C-1 zoning accommodate office and client-facing service uses.
Where is this office building located?
The property is located at 3 Portsmouth Avenue Exeter, NH.
What are key features of this property?
This property features: 0.2‑acre corner property at Portsmouth Avenue and Auburn Street; C‑1 Commercial Zone; Built in 1865 with wide‑plank hardwood floors and updated finishes
More about this property
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