Listing

330 Borthwick Ave

OfficeMedical Office

330 Borthwick Ave, Portsmouth, NH 03801

Office For Lease
Asking
$18.00 – $19.50/SF NNN
Available
1,705 SF
Floor / Suite
2 · Suite 206-208
Listing Details
Type
Lease
Status
Active
Asking Rate
$18.00 – $19.50/SF NNN
Monthly Rent
$2,558 – $2,771/mo
Lease Type
Triple net
List Date
Jul 21, 2025
Days on Market
455
Owner Occupied
No
Last Verified
Oct 16, 2026
Agent Ownership Interest
No

Medical Office Space

Medical office space available.

Space Details

Floor
2
Suite
Suite 206-208
Available SF
1,705 SF
Postal Address
330 Borthwick Avenue
Property Highlights
Type
Office · Medical · Dental
Building Class
Class B
Size
54,975 SF
Acreage
14.55 Acres
Occupancy Type
Multi Tenant
Year Built
1986
Floors
3
Construction
Masonry
Zoning
OR
County
Rockingham
Submarket
Boston-Cambridge-Quincy
Contact
RD
Roger DiekerPrimary
The Boulos Company
ND
Nick DeNisco
The Boulos Company
Location