Office
55 Carleton Avenue
Active · Islip · Suffolk County, NY 11730
- Year built
- 1975
- Est. monthly taxes
- $2,446.7
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About this home
55 Carleton Avenue presents a rare chance to acquire a high-visibility, 0.98-acre commercial property on Carleton Avenue—the main thoroughfare into East Islip. Zoned GSD, this site is ideally suited for office, medical, or veterinary use, offering exceptional exposure and accessibility. This unique opportunity allows for expansion of additional space of up to 11,000 sq. ft. or redevelop the entire site for your new building up to 17,000 ft. sq. Only two miles from the Federal Court House and 2.5 miles from Northwell South Shore University Hospital with easy access from Sunrise Hwy and Southern State Parkway. The East Islip area boasts strong commercial activity and highly desirable demographics, making this a prime location for professional services seeking long-term growth and visibility.
Listing snapshot
- Days on site
- 59 days
- Listed on MLS
- Oct 24, 2025
- Annual property tax (MLS)
- $29,360.36
- Tax year
- 2025
- Listing brokerage
- Marylou Swan Realty Corp
- MLS ID
- KEY928396
- Last updated
- Oct 21, 2026
General features
- Property type
- Office
- Year built
- 1975
- Stories
- 1
- Total parking
- 18
- Water source
- Public
- Sewer
- Public Sewer
- Utilities
- Cable Available, Cable Connected, Electricity Connected, Natural Gas Connected, Phone Connected, Sewer Connected, Trash Collection Private, Water Connected
Interior features
- Basement
- Bilco Door(s), Unfinished
- Heating
- Forced Air, Natural Gas
- Cooling
- Central Air, Ductwork
- Appliances
- None
- Flooring
- Combination
Exterior features
- Construction materials
- Brick, Fiberglass Insulation, Stucco
Recent activity
- Listing updated from MLS
- First seen on this site
- MLS status changed
Location
Listing data is supplied by the MLS and may change without notice.
