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Welcome to Contractors State License Services

We can help you pass your California Contractors License Exam.  With over 25 contractor license schools in California we provide  full-service support to help you through this process. We guarantee you will pass the  Contractors exam the first time. Contractors State License Services (CSLS) is the largest school in California devoted to the Construction professional. For 30 years, CSLS has helped its students pass the California contractor licensing exam to become licensed contractors in the State of California. Additionally, we offer complete home study and online contractor’s license programs to help you pass your California contractor’s license exam. More...

The CSLS Difference

Contractors State License Service is one of the only contractor schools in the state that is run by educators, not lawyers or people mostly interested in the bonding and insurance business. Most importantly, CSLS operates under the provisions of the California Private Postsecondary Education Act of 2009 which is administered by the Bureau for Private Postsecondary Education. Learn more.. CSLS offers comprehensive application processing by trained professionals - we will even submit it to the Contractors State License Board (CSLB) on your behalf.
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Clases disponibles en Espanol

Uno de cada tres aplicantes para la licencia del Estado utiliza los servicios de CSLB con el fin de pasar su examen. Usted puede estar confiado de que está recibiendo un programa comprobado como exitoso. El 98% de los estudiantes aprueban la primera vez. Aprende más
In California, anyone who contracts to perform work on a project that is valued at $500 or more for labor and materials must hold a current, valid license from the CSLB. More...

CSLS Northern California Locations

CSLS Southern California Locations