300 Constitution Avenue, Portsmouth, NH 03801
Two office configurations offer elevator access, tall ceilings, and abundant windows.
Property Features for 300 Constitution Avenue
General Information
Space & Availability
Building Details
Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Colliers International
Investment Insights
Based on property information with market context.
The property is approximately 3.5 miles from downtown Portsmouth, 2.6 miles from I-95, and 0.6 miles from Route 1. Other occupants include X5 Home Loans, Global Laminates, TopMark Funding, Concord Electric, Asian Atlantic Industries, and NERACOOS.
Key Highlights
- Two second‑floor office units available, with distinct suite configurations
- Suite 200 offers approximately 11,062± SF, including 3 conference rooms and 9 offices
- Suite 1 is an approximately 550± SF open‑plan, single‑room office
Property Analytics
Current Use
Lease Details
Location Intelligence
Trade Area within ½ mile
Demographics for 03801, NH
Market
Lease Benchmarks for Portsmouth, NH
Vacancy Rate% for Office in Northeast region