55 Carleton Avenue, East Islip, NY 11730
- Added:
- Oct 24, 2025
- Days on Market:
- 256
- Last Refresh:
- Jul 6 at 6:06 am
Property Features for 55 Carleton Avenue
General Information
- Property type
- Residential
- Property subtype
- Office
- Zoning
- GSD
- Rooms
- Basement
- Parking
- 18
- Fencing
- Chain Link
- Basement
- Unfinished
- Standard status
- Active
- APN
- 0500-346-00-03-00-073-000
- Lot size
- 0.98 Acres
Taxes and HOA fees
- Tax Year
- 2025
- Tax Annual Amount
- 29360
Utilities
- Utilities
- Cable Available
- Sewer type
- Public Sewer
- Heating system
- Forced Air, Natural Gas
- Cooling system
- Central Air
- Water source
- Public
Building Details
- Year built
- 1975
- Floors in Building
- 1
- Number of units
- 8
- Flooring type
- Combination
- Building materials
- Brick, Fiberglass Insulation, Stucco
Listing agent Joseph E. Donaghy License #10401392754 (631) 774-9671
Listing office Marylou Swan Realty Corp 322 S Country Rd, East Patchogue, NY (631) 289-5550
Listing date Oct 24, 2025
Copyright © 2026 OneKey MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
HighLights
- 0.98‑acre commercial property on Carleton Avenue, the main thoroughfare into East Islip
- Zoned GSD for office, medical, or veterinary use
- Expansion potential for additional space up to 11,000 SF or redevelopment up to 17,000 SF
- Year built 1975 with brick, stucco, and fiberglass insulation construction
- Central air cooling and forced‑air natural gas heating
- Public water and public sewer; cable available; chain‑link fencing
Overview
The property’s stated advantage is visibility and accessibility along Carleton Avenue. It also highlights convenient regional access from Sunrise Highway and Southern State Parkway. Area context provided with the listing includes proximity to the Federal Courthouse (about two miles away) and Northwell South Shore University Hospital (about 2.5 miles away), supporting the site’s professional services and healthcare-oriented positioning.
For buyers and operators seeking a flexible site for professional uses, the GSD zoning and redevelopment/exapnsion capacity are key considerations. The property is best evaluated for plans that align with office, medical, or veterinary occupancy, whether that involves incremental growth or a complete redevelopment of the site for a new building within the noted size limits.
Current Use by Public Records
Similar Places Nearby
- East Islip TV Mounting — Adams St E, East Islip, NY 11730, United States
Location Insight
- Map
- Local Demand
- City
- East Islip
- County
- Suffolk
- State
- New York
- Longitude
- -73.190617
- Latitude
- 40.733431