300 Constitution Ave

Office

300 Constitution Avenue, Portsmouth, NH 03801

Office For Lease
Asking
$14.00/SF NNN
Available
10,275 SF
Floor / Suite
2 · Suite 200
Listing Details
Type
Lease
Status
Active
Asking Rate
$14.00/SF NNN
Lease Type
Triple net
List Date
May 19, 2022
Available
Aug 1, 2024
Days on Market
1503
Owner Occupied
No
Showing Instructions
Call Broker
Last Verified
Jun 24, 2026
Agent Ownership Interest
No

Modern Class A Portsmouth Office Space

Class A second floor office space is 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. Suite 200 can be subdivided into two suites: Suite 200-A with 5,165± SF and Suite 200-C with 5,110± SF. Modern designer furniture is included in the lease rate. Suite features high ceilings, lots of windows, and elevator access. $12.00/SF lease rate is for Year 1 only.

Space Details

Floor
2
Suite
Suite 200
Available SF
10,275 SF
Primary Use
Office
Postal Address
300 Constitution Ave.
Property Highlights
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Type
Office
Subtype
General
Building Class
Class A
Size
62,322 SF
Acreage
5.56 Acres
Occupancy Type
Single Tenant
Year Built
2013
Floors
3
Construction
Steel frame
Zoning
G1
Sprinklered
Yes
County
Rockingham
Submarket
Apt,PM,0
Contact
AM
Andrew M. WardPrimary
Colliers
Attachments
Location