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Custom Service Systems - Serving The Inland Empire, Orange County, Los Angeles & Coachella Valley, California.

Custom Service Systems is a Janitorial Service Company that is family owned and operated since 1974. We care about our community and are here to serve our customers. We clean not only for esthetics, but also for the preservation of good health and the well-being of our customers.

Why Choose CSS?

We are fully Bonded, Insured, and Licensed Janitorial company. Our company is supported by a highly professional office and field staff. Each member of our management staff utilizes cellular phones equipped with email access so we may be available to clients at any time, day or night. Contact us today (951) 781-9345

Clean Office Hallway — Riverside, CA — Custom Service Systems Clean

What We Do

We provide a range of Janitorial Services:

  • Janitorial & Day Porter Services
  • Floor, Carpet, and Upholstery Cleaning
  • Electrostatic Disinfecting
  • Window Cleaning

Read What Our Customers Have to Say:

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    ★★★★★


    “This company went above and beyond when we needed our offices to be disinfected. Mike and his team came and explained the entire process to me and were efficient and courteous. They even followed up the following week to ensure everything was satisfactory. Will use them again and again. Very educational and professional.”


    - Lecksi Z.

  • ★★★★★


    “Professional staff and they did a great job cleaning my carpets at home. Jamie and her crew were amazing!” 


    – David L.

  • ★★★★★


    “Great service”


    - Gary S.

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  • ★★★★★


    “I have worked with CSS since 2001, and they consistently meet and exceed our expectations.”


    - S.S. Premier Service Bank



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  • Slide title

    ★★★★★


    “I called them this morning and they were here by noon ready to take care of ANY concerns I had.”


    - D.B. Fresh & Easy

  • ★★★★★


    “Our circa 1989 historic wood floors have never looked this good!”


    - Director, Historic A.K. Smiley Public Library

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