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$465,000 Just Listed
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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.
Full Property Details
Full Property Details for 51 Islington St #3
General
- Price: $465,000
- Taxes: $4,976 (2025)
- Status: Active
- Type: Retail
- Source: PrimeMLS
- MLS ID: 5111132
- Updated: Today (9/23/2026)
- Added to Site: Today
Parking
- Parking: None
Location
- County: Rockingham
- Driving Directions: GPS
Heating & Cooling
- Cooling Type: Central AC
- Heating Type: Hot Air, Natural Gas Available
Utilities
- Sewer: Public
Structural Information
- Roof: Architectural Shingle
- Finished Total: 898 Sq. Ft.
- Year Built: 2011
Unit Information
- Units in Building: 32
Lot Features
- Frontage: Yes Road Frontage
- Zoning: CD4-L2
Financial Considerations
- Tax Amount: $4,976
- Tax Year: 2025
Timeshare
- Fractional Own: Adequate
Listed by Red Post Realty, Todd Hudson
Get Pre-Approved Today
Schools
Schools serving 51 Islington St #3
School District:Portsmouth School District, Portsmouth, NH
| Name | Grades | Distance |
|---|---|---|
Little Harbour School 50 Clough Drive, Portsmouth, NH 03801 | K-5 | 0.8 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 51 Islington St #3
Date
Details
Price
Change
Source
9/23/2026
Listed
$465,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 51 Islington St #3
Year
Property Taxes
Change
Tax Assessment
Change
2025
$14,518
3%
$1,261,300
—
2024
$14,101
-1%
$1,261,300
42%
2023
$14,285
6%
$885,600
—
2022
$13,461
1%
$885,600
—
2021
$13,311
2%
$885,600
—
2020
$13,018
-1%
$885,600
—
2019
$13,160
-16%
$885,600
-10%
2018
$15,671
24%
$989,300
20%
2017
$12,636
—
$821,600
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 51 Islington St #3
51 Islington Street #3, Portsmouth, NH 03801 (MLS# 5111132) is a Retail property. 51 Islington Street #3 is currently listed for $465,000 and was received on September 23, 2026. Want to learn more about 51 Islington Street #3? Do you have questions about finding other Retail real estate for sale in Portsmouth? You can browse all Portsmouth real estate or contact a Coldwell Banker agent to request more information.

