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300 Constitution Avenue Portsmouth NH 03801
300 Constitution Avenue Portsmouth NH 03801
300 Constitution Avenue Portsmouth NH 03801
300 Constitution Avenue Portsmouth NH 03801
300 Constitution Avenue Portsmouth NH 03801
300 Constitution Avenue Portsmouth NH 03801

300 Constitution AvenuePortsmouth, NH 03801Price: $12

  • Price: $12
  • 45 Days on Market
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Federal 30-year interest rate: 6.22% last updated on Nov 6, 2025
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • $12List Price
  • 5.55Acreage
  • 62,322Square Feet
Class A second floor office spaces are available for lease. Suite 200 is 10,275± SF consisting of 3 conference rooms, 9 offices, kitchen/break room, IT room, and a large open cube area; can be subdivided into two suites (Suite 200-A with 5,165± SF and Suite 200-C with 5,110± SF). Suite 200-B is 4,648± SF consisting of 10 offices, break room, IT room, and an open cube area. Modern designer furniture is included in the lease rate (Suite 200 only). Suites feature high ceilings, lots of windows, and elevator access. Other tenants include X5 Home Loans, Global Laminates, TopMark Funding, Concord Electric, Asian Atlantic Industries, Hometown Oil, and NERACOOS. $12.00 NNN lease rate is for Year 1 only.
Listed by Andrew Ward of Colliers International

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Copyright 2025 PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this display 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 November 8, 2025 2:07 AM EST

 

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