501 Islington St.
Office501 Islington Street, Portsmouth, NH 03801
- Type
- Lease
- Status
- Active
- Asking Rate
- $15.00/SF NNN
- Lease Type
- Triple net
- List Date
- Dec 16, 2025
- Available
- Nov 15, 2025
- Days on Market
- 196
- Vacant Date
- Nov 15, 2025
- Owner Occupied
- Yes
- Showing Instructions
- Call Broker
- Last Verified
- Jun 24, 2026
Downtown Office Suite
Office suite available for lease in downtown Portsmouth on the recently improved Islington Street. Suite 3 is 8,644+/- on the 3rd floor and is comprised of 5 private offices, 4 conference rooms, reception area, open cubicle area, a secure data room, 4 restrooms, and a kitchen/breakroom. CAM expenses include water, sewer, heat, and air conditioning; electric usage is separately metered and paid by Tenant. Monument and directory signage is available. Within walking distance to downtown and the West End and just 1.5 miles from I-95 and Route 16.
Space Details
- Floor
- 3
- Suite
- Suite 3
- Available SF
- 8,644 SF
- Primary Use
- Office
- Postal Address
- 501 Islington Street, Suite 3
- Type
- Office
- Subtype
- General
- Building Class
- Class B
- Size
- 37,173 SF
- Acreage
- 1.26 Acres
- Occupancy Type
- Multi Tenant
- Floors
- 3
- Zoning
- CD4-L2
- County
- Rockingham
- Submarket
- Boston-Cambridge-Newton
- Type
- Lease
- Status
- Active
- Asking Rate
- $15.00/SF NNN
- Lease Type
- Triple net
- List Date
- Dec 16, 2025
- Available
- Nov 15, 2025
- Days on Market
- 196
- Vacant Date
- Nov 15, 2025
- Owner Occupied
- Yes
- Showing Instructions
- Call Broker
- Last Verified
- Jun 24, 2026
Downtown Office Suite
Office suite available for lease in downtown Portsmouth on the recently improved Islington Street. Suite 3 is 8,644+/- on the 3rd floor and is comprised of 5 private offices, 4 conference rooms, reception area, open cubicle area, a secure data room, 4 restrooms, and a kitchen/breakroom. CAM expenses include water, sewer, heat, and air conditioning; electric usage is separately metered and paid by Tenant. Monument and directory signage is available. Within walking distance to downtown and the West End and just 1.5 miles from I-95 and Route 16.
Space Details
- Floor
- 3
- Suite
- Suite 3
- Available SF
- 8,644 SF
- Primary Use
- Office
- Postal Address
- 501 Islington Street, Suite 3
- Type
- Office
- Subtype
- General
- Building Class
- Class B
- Size
- 37,173 SF
- Acreage
- 1.26 Acres
- Occupancy Type
- Multi Tenant
- Floors
- 3
- Zoning
- CD4-L2
- County
- Rockingham
- Submarket
- Boston-Cambridge-Newton