51 Islington St Unit 3, Portsmouth, NH 03801

Property Description

Situated at a prominent, street-level corner, walking distance to Portsmouth’s vibrant downtown, this turnkey commercial office condo offers an inviting setting for businesses looking to establish or expand their presence. A bold storefront and excellent exterior signage opportunities provide visibility along the emerging Islington Street corridor, with convenient public street parking directly out front. Inside, large windows fill the open, airy space with natural light, creating a welcoming and productive work environment. The flexible layout easily accommodates a variety of office configurations, from an open-concept workspace to individual desk or cubicle arrangements, while two private offices offer the perfect setting for meetings, focused work, or added privacy. With its desirable downtown location, adaptable floor plan, and low monthly condo fees of just $285, this is a compelling opportunity to own commercial space in one of Portsmouth’s evolving business districts.

Listing Status:

Active

Date Added:

September 23, 2026

Data Last Updated:

October 6, 2026 at 11:58PM

Listing Office:

Red Post Realty : 603-760-7436

Listing Agent:

Todd Hudson : 603-205-9257 : todd@rprnh.com

MLS ID:

5111132

Interior

• A/C: Central AC
• Heating: Hot AirNatural Gas Available
• Disability Feature: Access to Restroom(s)One-Level Business

Exterior

• Parking: None

Construction

• Roofing: Architectural Shingle
• General: Wood FrameBrick ExteriorConcrete

Location

• County: Rockingham

Lot

• Zoning: CD4-L2

Utilities

• Utilities: Cable Available
• Water: Public
• Sewer: Public