4.7 
166 *The Angi rating for Window Cleaning companies in Smithtown, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Cleaning needs.
*The HomeAdvisor rating for Window Cleaning companies in Smithtown, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Cleaning needs.
Last update on August 17, 2026
Serving Smithtown, NY and surrounding areas
Approved
In business since 1985
Free estimates
Credit card accepted
"I would highly recommend Dove Window Cleaning. Rudy & Dave were phenomenal. Quick response & very reasonable price. They did a fantastic job on my windows!"
Serving Smithtown, NY and surrounding areas
Approved
In business since 2016
Free estimates
Emergency services offered
"Very good. I will recommend Aggies list and CTM Window cleaning in the future"
+1
Serving Smithtown, NY and surrounding areas
Approved
In business since 1999
Free estimates
Customers say: Quick response
"Keith is the best!! He has been cleaning my windows for the last 10 years. Keith does a very thorough job cleaning the windows, screens and window sills."
Serving Smithtown, NY and surrounding areas
Approved
In business since 2009
Free estimates
Credit card accepted
"The front of my house was a green mess, Keith and Mary made my ten yr old gray siding & roof looked new. Made my 40 yr old garage roof look like a roof again. Very hard working and courteous on an extremely hot & humid day. Also cleaned my "green" fence back to white w/o me asking. Highly recommend & will use them again. Thanks for a hassle free job!"
Serving Smithtown, NY and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"Melvin did an absolutely great job. He’s very clean fair communicates well edit straightforward with all of his intentions."
Serving Smithtown, NY and surrounding areas
Approved
In business since 2025
Free estimates
Offers commercial services
Precision Cleaning for Professional Spaces.\n\nAt EcoTec Commercial Cleaning, cleaning is more than a service. It’s a commitment to protecting people and elevating the places where work happens. Because when these spaces are clean, safe, and cared for, businesses in Long Island thrive.\n\nWe offer much more than just spotless tile and dust-free countertops. We focus on delivering great service to people, giving you, your employees, and your customers spaces that are consistently clean, safe, and professionally maintained.\n\nEcoTec’s Custodial Technicians are professionally trained to clean and disinfect a wide variety of environments using eco-friendly, EPA-approved products and proven, industry-approved techniques. This approach ensures high standards of sanitation while supporting healthier indoor environments for employees, customers, and visitors.
Serving Smithtown, NY and surrounding areas
Approved
Free estimates
Credit card accepted
"Amazing work they showed up on time and they work hard would highly recommend them to anyone who wants pressure washing done"
Serving Smithtown, NY and surrounding areas
Approved
In business since 2006
Free estimates
Offers commercial services
"excellent job and very helpful and very nice guy"
Serving Smithtown, NY and surrounding areas
Approved
Customers say: Quick response
"I like what they do. They are very reliable, and dependable. They are not nosy."
Serving Smithtown, NY and surrounding areas
Approved
Free estimates
Credit card accepted
Offers commercial services
Casteca Cleaning is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
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