QCS Information

Contact Us

Thank You For Visiting

Quality Control Services (QCS) Headquarters is located in La Verne, California just 25 miles east of Los Angeles in the heart of the San Gabriel Valley.
Learn more about our company and our services! We welcome you to take a tour around our website or call us for more information.

Contact Information

  • Customer Service

    Phone: 888.850.7378
    Fax: 909.392.4631
    Monday - Friday 8:00 a.m - 5:00 p.m
    License: 865584

  • Web Mail & Appointmants

    Email us a question and we'll get back to you within 24 hours.*
    Email Customer Service
    Setup an appointment via web, to have one of our professional team members assess you with your problem
    Make an Appointment

  • Location

    QCS, Headquarters
    1530 N White Ave
    La Verne, CA 91750
    License: 865584

    View Larger Map

    *Excludes weekends and holidays