Get new listings emailed daily! SIGN UP OR LOGIN

55 Carleton Avenue, East Islip, NY 11730

$1,800,000

SAVE TOUR THIS HOME Get Pre-Approved

15 Total Photos [Click to View All]

MLS#928396

STATUSActive PROPERTY TYPECommercial - Office

Call / Map Listing / Print / Share / Email

Property Description

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.

55 Carleton Avenue | MLS# 928396

This commercial property located at 55 Carleton Avenue, East Islip, NY 11730 is currently listed for sale with an asking price of $1,800,000. Search East Islip real estate on www.laffey.com today.

Property Features

Property Type: Commercial - Office

Basement: Yes

Basement: Bilco Door(s), Unfinished

Cooling: Central Air, Ductwork

Heating: Forced Air, Natural Gas

Lot Size: 0.98 Acres

Stories: 1.0

Taxes: $29,360

Year Built: 1975

Feature Descriptions

Appliances: None

Building Area Total: 6100

Building Features: Bathrooms, Lobby, Signage Included

Business Type: Commercial, Medical, Professional/Office

Common Walls: 2+ Common Walls

Days on Site: 168

Exterior: Brick, Fiberglass Insulation, Stucco

Fencing: Chain Link

Flooring: Combination

On Market Date: 2025-10-24

Parcel Number: 0500-346-00-03-00-073-000

Parking Total: 18

Rental Term: Monthly

Road Responsibility: Public Maintained Road

Sewer: Public Sewer

Units: 8

Utilities: Cable Available, Cable Connected, Electricity Connected, Natural Gas Connected, Phone Connected, Sewer Connected, Trash Collection Private, Water Connected

Water: Public

#ITSYOURMOVE
#FOLLOWTHEORANGE

55 Northern Blvd
Greenvale, NY 11548

Real estate agents ready to serve you | Browse homes and real estate for sale

Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 04/11/2026. The listing information on this page last changed on 04/11/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Sat 04/11/2026 12:45:19 AM EST) or OneKey MLS (last updated Sat 04/11/2026 12:42:13 AM EST). Real estate listings held by brokerage firms other than Laffey Real Estate may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.

Listing data and photos distributed by MLSGRID
Member Participants (and their affiliated licensees, if applicable) shall indicate on their websites that IDX information is provided exclusively for consumers’ personal non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. MLS GRID may, at its discretion, require use of other disclaimers as necessary to protect Member Participant, and/or their MLS from liability.
Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

Privacy Policy / DMCA Notice / ADA Accessibility

Sitemap

55 Carleton Avenue, East Islip, NY 11730

Property Description

55 Carleton Avenue | MLS# 928396

Property Features

Feature Descriptions

TOUR THIS HOME

Listed By / Shown By

55 Carleton Avenue, East Islip, NY 11730

Login to My Homefinder

Register to View this Listing

Why Create an Account?

With an account you can:

Sign Up Today