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  2. New York
  3. Syosset
  4. Janitorial

The Best Janitorial Company in Syosset

Compare top-rated janitorial providers in Syosset. Profiles include verified reviews, service details, and direct contact options.

Service providers

Casey's Cleaning of Long Island LLC

Casey's Cleaning of Long Island LLC

5

From $50

Up to $500

Closed until Tue, 8:00 AM

In the heart of Long Island's vibrant Syosset community, we, Casey's Cleaning of Long Island LLC, pride ourselves on our unwavering commitment to …

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Verified Janitorial in Syosset, NY

We show only active businesses that pass moderation. Results are specific to Syosset and nearby service areas, and inactive profiles are removed to keep the list current.

Real reviews for janitorial

Ratings and reviews come from customers who used the service. Compare janitorial pros in Syosset by experience, responsiveness, and value before you reach out.

Local-first search in Syosset

Filter by neighborhood, check locations on the map, and find providers close to home or work in Syosset. Listings are refreshed regularly — August 2026.

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Janitorial by city

Find verified janitorial providers in cities across the United States. Each city page lists active businesses with reviews, contact details, and current offers.

Janitorial near me in Syosset, NY - August 2026

Looking for janitorial in Syosset? This page lists verified local providers with ratings, reviews, and contact options. We show active businesses only — profiles are moderated and updated by owners.

Compare pros by experience, price range, and customer feedback. Many providers offer free estimates or same-day service for common requests. Use filters and the map to find someone close to your address.

Before you hire

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  • Ask about licensing and insurance when required for this trade.
  • Get a written estimate for work over a few hundred dollars.
  • Confirm availability and any trip or emergency fees upfront.

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Latest Janitorial reviews in Syosset

  • Casey's Cleaning
    Casey's Cleaning

    caseys cleaning is the best . hands down

  • Elizabeth Romain
    Elizabeth Romain

    Awesome job ! I was truly satisfied ! 10/10 would recommend again. They truly exceeded my expectations !

  • Justin Fries
    Justin Fries

    Excellent service. Very reliable and trustworthy.

  • Rachelle Charles
    Rachelle Charles

    Casey’s Cleaning of Long Island LLC did a phenomenal job in cleaning my house, they took their time to make sure everything was clean and left the house spotless! I paid for deep cleaning and that is exactly what they did! You will not be disappointed! I highly recommend Casey’s cleaning! The owner Noah is very professional and cares for his customers! If you need cleaning, call Casey’s cleaning of Long Island!

  • Lavern Brown
    Lavern Brown

    Casey’s Cleaning Company dedicates itself to any challenging cleaning task at hand. The owner/ staff is professional in handling cleaning business matters and advising clients on maintaining clean living spaces. The company also ensures time and availability to meet your needs cost-effectively. Casey's Cleaning recently did a challenging cleaning job, and I am still ecstatic about its outcome. Therefore, I recommend Casey's Cleaning of Long Island to anyone looking to get the job done.

  • Barbara
    Barbara

    We have been a long term client of Casey's Cleaning Service. We are extremely satisfied with the professionalism and thoroughness of the work.

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