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Owner: George Fleckenstein

Serving: Centereach, NY, Ronkonkoma, Mount Sinai, Nesconset, Port Jefferson, Setauket, St. James, Stony Brook

We're located at:

2100 Middle Country Road #24, Centereach NY 11720
HomeAdvisor Screened & Approved 10 Years HomeAdvisor Screened & Approved

Welcome to Fish Window Cleaning! We are your local window cleaning company in Suffolk County - Centereach, Ronkonkoma, Mount Sinai, Nesconset, Port Jefferson, Setauket, St. James, and Stony Brook, NY.

Call today for a free on-site estimate: 631-585-0388

Image of Two Fish Window Cleaners Cleaning Storefront Windows

"Our specialty is giving you perfectly clean windows, and we are ready to serve your business or home. Our window cleaners are trained to provide the superior customer service you expect when in the workplace or the quiet environment of your home. Window cleaning is our profession, not just a job we do, and we treat it that way."

George Fleckenstein
, owner of the local Fish Window Cleaning franchise, was presented the Greater Middle Country Chamber of Commerce Member of the Year Award at the Brookhaven Chambers of Commerce Coalition 11th Annual Outstanding Member of the Year Awards Reception.

He has operated the Centereach business and has been active in the chamber for nine years, including serving as vice president of the 200 member chamber. 

Long Island Press Best of L.I. 2012Your Home

We provide cleaning of all types of windows, even the hard to reach ones of your home.  You can rely on Fish Window Cleaning to take the utmost care of your residence as we clean your windows.  We wear fresh shoe covers as we enter your home and use cloth pads under each window as we clean it to protect your carpet and wood floors.  We work quietly and quickly as we move from room to room to cause the least disruption.  We even introduce our team to you bMWCoA Master Window Cleaners of Americaefore we start cleaning so you know exactly who will be giving your windows a spectacular shine. 

Your Business

Certified Eco Friendly Window CleanerWe maintain storefronts and commercial buildings, helping you to achieve a polished look to give your customers a good impression.  We provide cleanings ranging from weekly to annually, tailoring our services to the needs of your business.  Regardless of your budget, we can put together a program for you.  We’ve led the industry with a premiere safety program to ensure the protection of our customers and cleaners. We also provide the peace of mind that bonded and insured window cleaners will be maintaining the appearance of your business. Let us come by and give you a free on-site estimate.  It would be our pleasure to add you to our list of satisfied customers.

Our Services

  • Residential Window Cleaning
  • Commercial Window Cleaning
  • Gutter Cleaning
  • Exterior Gutter Whitening
  • Mirror Cleaning
  • Screen Cleaning
  • Ceiling Fan Cleaning
  • Chandelier Cleaning
  • Skylight Cleaning
  • Awning Cleaning
  • Hard Water Stain Removal
  • Elevator Glass Cleaning
  • Certified GreenHigh Dusting
  • Construction Clean-up and Make Ready
  • We clean by hand with mop and squeegee and with water-fed poles


Why have we grown to be the largest window cleaning company in the world?

  • Hassle free service
  • We are committed to customer satisfaction
  • Trained and uniformed professionals
  • Premier safety program
  • Customized cleaning schedules
  • We care
  • We show up
Let us come by and give you a free on-site estimate. It would be our pleasure to add you to our list of satisfied customers.

Contact us today at 631-585-0388

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“Good team - did nice work. I'd recommend them in the future“

Customer Pledge of Satisfaction

We pledge to provide the highest value in window cleaning service. We will deliver superior service to every customer, every time.

We know the level of service we provide enhances the quality image of our customers. Clean windows can make a huge difference in the atmosphere of your home, and it can be an essential element in the appearance of your business. Whether at work or at home, you can rest assured that your windows will be cleaned by an insured and bonded professional window cleaner.

We can also clean your gutters, mirrors, ceiling fans, and more. When you choose FISH, you won’t have to deal with the headache of those hard to reach spots or 3rd story windows. You will also have the benefit of custom scheduling plans, and we accept all major credit cards. Let the nation’s leader in window cleaning brighten your world today!