Modern Class A Office Space

300 Constitution Ave, Portsmouth, NH 03801

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Property Information

  • For Lease $14.00/SF/YR
  • Property Type Office - General Office
  • Year Built 2013
  • Date Updated May 18, 2026

Description

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.

Existing

1 Space Available

Space Available

Space Type

General Office

Lease Rate

$14.00/SF/YR

Total Space

10,275 SF

Divisible Space

4,648 - 10,275 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Build Type

Full build out

Contacts

Andrew Ward

Colliers

Location

Located at 300 Constitution Ave, Portsmouth, NH 03801, this property is part of the Hillcrest neighborhood and Boston market.

  • 32/100 Car-Dependent
  • 31/100 Somewhat Bikeable
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Contact Listing Broker
Andrew Ward

Colliers

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