AKA 82-86 Congress Street

Office

25 Chestnut Street, Portsmouth, NH 03801

3 photos
Office For Lease
Asking
$20.00/SF NNN
Available
5,793 SF
Listing Details
Type
Lease
Status
Active
Asking Rate
$20.00/SF NNN
Lease Type
Triple net
List Date
Jun 4, 2026
Days on Market
27
Owner Occupied
No
Last Verified
Jun 26, 2026

Prime Downtown Portsmouth Office Space

25 Chestnut Street (aka 82-86 Congress Street) has two thoughtfully designed office suites available for lease in the heart of Downtown Portsmouth. Ideally positioned within proximity of restaurants, retail, and other vibrant amenities. • Move-in ready with efficient floor plans • Excellent natural light • Close to many amenities • Rare opportunity for downtown office presence

Space Details

Available SF
5,793 SF
Primary Use
Office
Postal Address
25 Chestnut Street, Suite 300S
Property Highlights
Type
Office
Subtype
General
Building Class
Class A
Size
25,174 SF
Acreage
0.26 Acres
Occupancy Type
Multi Tenant
Year Built
2001
Floors
3
Zoning
CD5
Sprinklered
Yes
County
Rockingham
Submarket
Boston-Cambridge-Newton
Contact
KW
Kent WhitePrimary
The Boulos Company
CB
Caitlin Burke
The Boulos Company
AS
Austin Stebbins
The Boulos Company
Location