Downtown Office
501 Islington Street Portsmouth, NH 03801
For Lease
$2,050/Mo
Two leased office suites offer established layouts with private offices, meeting space, and shared building services.
Property Size8,644 SF
Days on Market286
Property Features for 501 Islington Street
General Information
- Standard status
- Active
- Size
- 8,644 SF
Listing Agency:
Colliers International
Listed By:
Tim Braseth
(603) 763-4932
Source:
Harborlightrealty
Added: Oct 13, 2025
Changed: Jul 10
Last Checked: Jul 24 at 11:57PM
Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Colliers International
Investment Insights
Based on property information with market context.
Two office suites are available for lease at 501 Islington Street in downtown Portsmouth on the recently improved Islington Street. Suite 1E is approximately 762 SF on the 1st floor and includes two private offices, a conference room, a reception area, and shared restrooms. Suite 3 spans approximately 8,644 SF on the 3rd floor and features five private offices, four conference rooms, a reception area, and an open cubicle area. Suite 3 also includes a secure data room, four restrooms, and a kitchen/breakroom.
The property is located in downtown Portsmouth within walking distance to downtown and the West End. It is also about 1.5 miles from I-95 and Route 16, supporting convenient access for employees and visitors. Monument and directory signage are available.
These suites can work well for professional service tenants seeking a mix of private offices and dedicated meeting space. Suite 1E suits smaller teams that need a reception area and conference room alongside two private offices, while Suite 3 is more suitable for larger office users that require multiple conference rooms, additional restroom capacity, and a secure data room. Tenant responsibilities include separately metered electric, while CAM includes water, sewer, heat, and air conditioning.
The property is located in downtown Portsmouth within walking distance to downtown and the West End. It is also about 1.5 miles from I-95 and Route 16, supporting convenient access for employees and visitors. Monument and directory signage are available.
These suites can work well for professional service tenants seeking a mix of private offices and dedicated meeting space. Suite 1E suits smaller teams that need a reception area and conference room alongside two private offices, while Suite 3 is more suitable for larger office users that require multiple conference rooms, additional restroom capacity, and a secure data room. Tenant responsibilities include separately metered electric, while CAM includes water, sewer, heat, and air conditioning.
Key Highlights
- Suite 1E: 762± SF on the 1st floor with 2 private offices, conference room, reception area, and shared restrooms
- Suite 3: 8,644± SF on the 3rd floor with 5 private offices, 4 conference rooms, reception, open cubicle area, secure data room, kitchen/breakroom, and 4 restrooms
- CAM includes water, sewer, heat, and air conditioning; electric usage is separately metered and paid by tenant
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
Summit Group
Professional Services
Portsmouth Neuropsychology Center
Physician
Elliot Zyglis
Alternative Medicine Practice
Partners Bank
Bank
Edward Jones - Financial ...
Financial Advisor
FAQs
What type of property is this?
Office units - Two leased office suites offer established layouts with private offices, meeting space, and shared building services.
Where is this office units located?
The property is located at 501 Islington Street Portsmouth, NH.
What is the lease rate?
The lease rate is $2,050 /Mo.
What are key features of this property?
This property features: Suite 1E: 762± SF on the 1st floor with 2 private offices, conference room, reception area, and shared restrooms; Suite 3: 8,644± SF on the 3rd floor with 5 private offices, 4 conference rooms, reception, open cubicle area, secure data room, kitchen/breakroom, and 4 restrooms; CAM includes water, sewer, heat, and air conditioning; electric usage is separately metered and paid by tenant
