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Contractors State License Services is now awarding a scholarship every quarter towards a CSLS program.
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Who Needs A California Contractors License & What Kinds Are There?

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...

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EPA Certified Renovator Training Available Now:
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CSLS Online Programs

In addition to the popular In-School Law & Trade Exam Preparation Program, Contractors State License Services offers these online options:

Practice Exams & Companion Guides

Existing students click here to LOGIN to STSONLINE practice Exams & Companion Guides


Contractor Online Learning & Training Center (COLT)

Existing students click here to LOGIN to Contractor Online Learning & Training (COLT)

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California Contractor Licensing

Construction Math Review Course

Are your math skills as strong as they should be to do your job? Could you benefit from a math review before taking your Contractors License test?

Math skills are an important tool for the contractor professional or anyone involved in the construction industry. Accurate estimating and bidding depends on basic math principles, concepts and formulas.

Contractors State License Services offers a short and affordable Construction Math Review that covers the basics of construction math and the daily application of these concepts in construction industry.

Topics covered include:

  • Using Basic Math & Your Calculator
    • Operations with Whole Numbers
    • Operations with Fractions
    • Percentages
    • Ratios
  • Conversions
  • Board Feet
  • Formulas for Areas
  • Formulas for Volumes
  • Application of Volume Problems
  • Figuring Rise, Slope and Pitch
  • On-Center Questions
  • Using an Architect Scale

To sign up for the next scheduled Construction Math Review Course
CALL NOW: 1-800-331-7649