Long Island's Top Rated Cleaning Experts

Serving Long Island With 5 Star Interior & Exterior Cleaning Services

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Serving Long Island With

5 Star Cleaning Services

Expert Residential & Commercial Cleaning

At KOS Cleaning Services, we take pride in providing top-rated cleaning services to meet all your needs. With a dedicated team of professionals, we specialize in exterior cleaning, interior cleaning, air duct cleaning, and dryer vent cleaning. Whether you're a homeowner, business owner, or property manager, we've got you covered.


Our expert cleaning & restoration team is ready to serve you. "We guarantee  the most thorough cleaning ever, all with zero hidden fees" . Contact us today to schedule service in Nassau or Suffolk County with our top rated exterior cleaning team.


Wisestack Financing

We Provide Expert Residential & Commercial Cleaning Solutions

At KOS Cleaning Services, we take pride in providing top-rated cleaning services to meet all your needs. With a dedicated team of professionals, we specialize in exterior cleaning, interior cleaning, air duct cleaning, and dryer vent cleaning. Whether you're a homeowner, business owner, or property manager, we've got you covered.


Our expert cleaning & restoration team is ready to serve you. "We guarantee  the most thorough cleaning ever, all with zero hidden fees" . Contact us today to schedule service in Nassau or Suffolk County with our top rated exterior cleaning team.


Wisestack Financing

We're Cedar Siding Cleaning Pros

We offer expert low pressure washing to remove mold, mildew, dirt & grime with no risk of damage to cedar shakes. Our low pressure soft wash process will not strip pre-existing paint or stain.

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Cedar Siding Cleaning Profressionals

We offer expert low pressure washing to remove mold, mildew, dirt & grime with no risk of damage to cedar shakes. Our low pressure soft wash process will not strip

pre-existing paint or stain.

Schedule An Estimate

Your Top Rated Cleaning Specialists

We guarantee  the most thorough cleaning ever, all with zero hidden fees"

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Joseph Manfredonia
6 days ago
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I had a few inches of water in my basement and my neighbor recommended to call KOS. They arrived within an hour of my phone call and were able to remove the water and remove all the damaged flooring before the day was over... More

I had a few inches of water in my basement and my neighbor recommended to call KOS. They arrived within an hour of my phone call and were able to remove the water and remove all the damaged flooring before the day was over. 100% recommend!! Fast, efficient and very friendly!

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Diane Santangelo
Jan 9
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Friendly and agreeable workers.

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Gayle Ross
Dec 15, 2024
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So the morning after Thanksgiving, we woke to a completely flooded finished basement. Water POURING out of the water heater. Called K.O.S Restoration on a referral. Tommy and his team were at my home in 1 hr....5 men carefully... More

So the morning after Thanksgiving, we woke to a completely flooded finished basement. Water POURING out of the water heater. Called K.O.S Restoration on a referral. Tommy and his team were at my home in 1 hr....5 men carefully and efficiently moving ALL the contents of 40 years up to my living and dining room while sucking up the water with the equipment, tons of professional fans, dehumidifers. They had to remove the paneling and sheetrock, ceiling tiles...my basement is down to the studs. This was completed by Saturday afternoon. It was a shocking and stressful situation and Tommy made us SO comforted and at much as ease as possible knowing the job would be handled correctly. He provided an insurance adjuster to work with and "held our hand" for the next 5 days enduring all was DRY, cleaned, and tested all areas fortunately free of mold. We have a long road of repairs ahead of us...but are so grateful for team KOS to get us to where we can do that. I pray you will not need this type of service, but if you do...there is NO ONE I would recommend higher that KOS. Five stars isn't enough!! Tommy, thank you thank you thank you with so much gratitude, Gayle and Gregg Ross

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Richard Molison
Dec 14, 2024
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I am a long time customer. KOS always does a great job! Rick M.

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Richie Rodriguez
Nov 26, 2024
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Best on long island, super quick and efficient. They moved around the furniture with ease and were in and out leaving my carpets brand new. Definitely recommend. They are also very affordable. Dont think twice !

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Nader Gebrin
Nov 20, 2024
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Professional and great job ⭐️⭐️⭐️⭐️⭐️💯

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Spyro Mendoros
Nov 20, 2024
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Kathleen T
Oct 28, 2024
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We are very happy with the work that was done. They were professional and thorough in shampooing the carpet and large sofa on our den. We highly recommend them.

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Mary Trent
Oct 18, 2024
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They was on time and did a very good job cleaning my carpets. I highly recommend them

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Teresa Buscemi
Oct 9, 2024
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I discovered mold in my mom’s basement and was directed towards KOS for remediation. Tom was at the house within the hour to take an initial assessment and make recommendations. He was thorough and very communicative. I had... More

I discovered mold in my mom’s basement and was directed towards KOS for remediation. Tom was at the house within the hour to take an initial assessment and make recommendations. He was thorough and very communicative. I had no prior experience dealing with claims and processes for something like this and he walked me through every step to make sure I was comfortable and approved of the plans. His crews were always respectful and kept the job site clean and neat. I would absolutely recommend working with KOS. Their team is professional, efficient and fair.

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Zak Umanoff
Oct 1, 2024
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They did a great job with our cedar shingles (siding), and cedar shingled roof. Very fair price as well. Kudos to the KOS team.

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Dawn Zahn
Oct 17, 2024
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Reasonably priced, helped move furniture, worked on areas I asked that were very dirty. I'd recommend.

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Maria Fiore
Sep 17, 2024
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These young men were very conscientious. Duct cleaning is a bigger job than I thought.

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Stephanie Lessing
Sep 24, 2024
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Highly recommend!

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Chris P
Sep 21, 2024
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KOS did an excellent job remediating my home. They are one of the few companies that know how to handle mold with proper containment. They also did a great job taking care of unexpected small things that pop up during remediation... More

KOS did an excellent job remediating my home. They are one of the few companies that know how to handle mold with proper containment. They also did a great job taking care of unexpected small things that pop up during remediation and they were flexible with accommoding. Tom was available to answer all of my questions during the remediation process and walk me through everything. He went above and beyond on the project. Overall, I was happy with the results.

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