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300 Constitution Ave

Portsmouth, NH
Total Size
65,651 sqft
Lot Size
241,758 sqft
I-Industrial (Office Use Permitted)
Year Constructed
Building Class
Close Highway(s)


Onsite Parking

Current Availabilities

Oct 17
Sublease Office Industrial
  • Sublease expires Oct 2023
  • Offices
  • Partial floor opportunity
  • Open area
  • Available in 30 days
Listing agent for this listing
Kent White, CBRE

Additional Features of 300 Constitution Ave

  • Sprinkler

Companies at 300 Constitution Ave

Hometown Oil
Sheds USA General Contractor
Asian Atlantic Industries Electronics Store Store

Internet Providers for 300 Constitution Ave

Provider Technology Max Download Speed Max Upload Speed
Level 3 Communications, LLC Fiber
10 Gb/s
10 Gb/s
186 Communications, LLC Fiber
10 Gb/s
10 Gb/s
Comcast Cable
1 Gb/s
1 Gb/s
G4 Communications DSL
10 Mb/s
1.5 Mb/s
N/A Copper Wireline
6 Mb/s
6 Mb/s
FairPoint Communications, Inc. DSL
1.5 Mb/s
768 kbps

The City: Portsmouth

The typical asking rate per listing is in the $20's per square foot per year. The Portsmouth region is going through a decrease in rates. In the last 3 months, the median rate fell $7 per sqft per year. That's a 24% decline in rent.

Compared to the rest of the Greater Boston market, the Portsmouth submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated region.

Median Rate Median Size
Portsmouth $22
Median Rate Median Size
Greater Boston $24

Median Rate over Time in Portsmouth