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Master Every Tested Subject. Pass the First Time.
California contractor exams are closed book, so the only thing walking into that testing center with you is what you’ve learned. Our California courses are built from the ground up for that reality — organized subject by subject around the official CSLB test plan, so every minute you study is aimed at what’s actually on the exam.
Prepare for your California Flooring and Floor Covering (C-15) Contractor License with 1 Exam Prep's Business & Trade Online Courses. This comprehensive package combines the California C-15 Flooring and Floor Covering Trade Exam Prep Online Course with the California Law and Business Exam Prep Online Course, providing structured preparation for both contractor licensing examinations.
Flooring contractors need more than installation experience to prepare for licensing. The C-15 examination covers material selection, estimating, subfloor preparation, moisture management, carpet installation, resilient flooring, laminate flooring, wood flooring, concrete treatment, and job site safety.
The included California Law and Business course adds preparation for contractor licensing, financial management, employment responsibilities, insurance, construction contracts, public works, and business operations.
With both courses in one package, students can develop their technical flooring knowledge while reviewing the business responsibilities associated with operating a California contracting company.
Every tested subject gets the same four layers, in the order that makes the material stick:
Each layer reinforces the previous lesson. Students begin by learning the concepts, strengthen their understanding through reading, review essential details with cram sheets, and test their knowledge using examination-style questions.
Whether reviewing moisture testing, carpet installation, flooring calculations, construction contracts, or employee responsibilities, this organized approach helps students study consistently across both courses.
Once you’ve worked through every subject, the final phase pulls it all together:
Learn it. Reinforce it. Condense it. Test it. Then prove it on a full-length final — a study process created to help students strengthen retention, identify challenging subjects, and prepare confidently for their first examination attempt.
The California C-15 Business & Trade Online Courses package includes two coordinated examination preparation programs.
Package Details: This product includes the C-15 Trade Course and California Law and Business Course. Physical and digital reference books, Application Service, state licensing fees, business setup, insurance, and contractor bond services are not included.
The California Flooring and Floor Covering (C-15) Contractor Examination evaluates knowledge of planning, subfloor preparation, flooring installation, concrete treatment, and safety.
The official CSLB C-15 examination outline applicable to examinations scheduled on or after January 1, 2026, identifies eight major categories:
These percentages represent approximate examination content distribution. Planning and Estimating accounts for the largest share at 21%, followed by Subfloor Evaluation, Preparation, and Material Acclimation at 20%.
The examination uses multiple-choice questions with four possible answers and one best answer. Some questions require calculations, and a calculator is provided during testing.
Our C-15 online course follows these examination categories, allowing students to review the flooring knowledge addressed in the official test plan.
Both the California Flooring and Floor Covering (C-15) Trade Examination and the California Law and Business Examination are closed book. Candidates cannot use reference books, manuals, notes, or other study aids during testing.
For the trade examination, students must understand material characteristics, appropriate installation methods, moisture conditions, subfloor requirements, and safety procedures without consulting reference materials.
For the Law and Business examination, candidates must apply knowledge of contracts, finances, employment obligations, insurance, and contractor licensing responsibilities.
The four-layer learning method supports preparation through repeated review, focused explanations, memory sheets, and practical questions. Full-length final examinations provide additional opportunities to apply knowledge under examination-style conditions.
California Flooring and Floor Covering Contractors must obtain the appropriate C-15 specialty contractor license through the Contractors State License Board (CSLB).
The included courses provide educational preparation for the examinations. Application processing, filing services, state licensing fees, and bonding are separate from this package.
The California Contractors State License Board regulates flooring contractors under the C-15 Flooring and Floor Covering specialty classification.
C-15 contractors prepare surfaces for flooring installation and perform work involving carpet, resilient flooring, wood flooring, and other flooring materials within their authorized classification.
Ceramic tile installation is excluded from the C-15 classification. Contractors must understand the boundaries of their authorized work and comply with applicable California licensing requirements.
Applicants must satisfy appropriate CSLB experience, application, examination, and license issuance requirements. Licensed contractors are also responsible for applicable construction safety requirements, business obligations, insurance, and bonding.
Proper flooring installation involves evaluating substrates, using appropriate materials, addressing moisture conditions, following suitable installation methods, and protecting workers during construction.
The C-15 trade course is based on the following reference books (not included).
Reference books are not included with this package. Both online courses provide organized study guidance, technical review, and practice materials for the closed-book examinations.
The C-15 examination covers flooring installation knowledge across a variety of materials and working conditions.
Planning and Estimating: Review drawings, room measurements, material quantities, product characteristics, project specifications, and site readiness.
Subfloor Preparation: Study removal of existing materials, substrate inspection, surface preparation, moisture testing, underlayments, acclimation, and moisture mitigation.
Carpet Installation: Understand cushioning, tack strips, layout, cutting, seaming, stretching, transitions, and finishing procedures.
Resilient and Rubber Flooring: Review sheet goods, adhesives, surface preparation, rolling, sealing, and transitions.
Laminate Flooring: Study material layout, cutting, installation, trim, and transition requirements.
Wood Flooring: Review moisture testing, acclimation, installation techniques, sanding, filling, and finishing.
Concrete Treatment: Understand dust control, mechanical preparation, and synthetic surface applications.
Safety: Study protective equipment, safe tool operation, material handling, and disposal procedures.
Each subject is reinforced through videos, reading chapters, cram sheets, and practice questions. Full-length final examinations bring the topics together for comprehensive review.
The California Law and Business Exam Prep Online Course is included with this package.
California flooring contractors must understand more than installation techniques. Operating a contracting business requires knowledge of licensing responsibilities, financial management, employment requirements, construction contracts, and workplace safety.
The official CSLB Law and Business examination outline identifies seven major categories:
These percentages represent approximate subject weighting. Contract Requirements and Execution is the largest category, followed by Employment Requirements.
The included Law and Business course uses the same four-layer method as trade preparation. Students can study individual subjects, review important information, answer practice questions, and complete full-length final examinations.
Subfloor preparation represents a significant portion of the C-15 examination because the condition of the underlying surface affects the performance of finished flooring.
Contractors must understand how to evaluate surfaces, recognize irregularities, prepare substrates, and select appropriate installation methods.
Moisture testing is particularly important for flooring materials that can be damaged or affected by unsuitable conditions. Moisture can influence adhesive performance, material dimensions, and finished flooring quality.
Acclimation and moisture mitigation also appear within the official examination outline. Our course connects these concepts with flooring selection, installation methods, and quality workmanship.
Different flooring products require different preparation and installation techniques. Commercial carpet, residential carpet, resilient sheet flooring, laminate, and wood flooring each introduce material-specific considerations.
Carpet installation may involve tack strips, cushions, stretching, seams, and trim. Resilient flooring requires understanding adhesives, rolling, sealing, and transitions.
Laminate installation includes planning layouts, cutting materials, and installing appropriate finishing components. Wood flooring requires attention to moisture, installation methods, sanding, filling, and surface finishes.
Our C-15 course helps students review these distinctions through focused lessons and practice questions designed around the tested flooring categories.
At 1 Exam Prep, we combine structured flooring trade instruction with California Law and Business preparation to help students approach contractor licensing examinations with confidence.
Our courses divide flooring materials, estimating, subfloor preparation, installation methods, safety, contracts, and business responsibilities into manageable lessons.
Instructor-led videos introduce technical and business concepts. Reading chapters reinforce understanding, while cram sheets summarize essential details for convenient review.
Practice questions with detailed answer explanations help students apply knowledge and recognize areas requiring additional study.
Master cram sheets and full-length final examinations provide comprehensive opportunities to review both the C-15 trade subjects and California Law and Business concepts.
Because both examinations are closed book, our learning approach emphasizes understanding, retention, and independent application of important information.
Strengthen your flooring installation knowledge, improve your understanding of California contractor business responsibilities, and prepare for both licensing examinations with 1 Exam Prep.
The package includes California C-15 Flooring and Floor Covering Trade Exam preparation and California Law and Business Exam preparation. Both courses include videos, reading chapters, cram sheets, practice questions, master cram sheets, and full-length final examinations.
Yes. The Law and Business Exam Prep Online Course is included alongside the C-15 flooring trade course, allowing students to prepare for both licensing examinations.
No. Physical and digital reference books are not included. The online courses provide structured preparation based on the applicable examination subjects and exam resources.
Yes. Both the C-15 trade examination and California Law and Business examination are closed book. Candidates cannot use reference materials during testing.
The examination covers Planning and Estimating, Subfloor Evaluation and Preparation, Carpet Installation, Resilient and Rubber Flooring, Laminate Flooring, Wood Flooring, Concrete Treatment and Synthetic Application, and Safety.
Yes. Subfloor preparation, moisture testing, material acclimation, underlayments, and moisture mitigation are important subjects included in the C-15 examination outline.
Yes. The trade course addresses the major installation categories listed in the official C-15 examination study guide, including carpet, resilient and rubber flooring, laminate flooring, and wood flooring.
No. Ceramic tile installation is excluded from the California C-15 Flooring and Floor Covering specialty contractor classification.
No. This package includes Business and Trade online examination preparation only. Application Service, state licensing fees, business setup, and contractor bond services are separate.
Every subject includes an instructor-led video, reading chapter, cram sheet, and practice questions with answer explanations. Master cram sheets and full-length final examinations support additional review.
These courses are designed for experienced flooring professionals, carpet installers, wood flooring specialists, resilient flooring installers, supervisors, and individuals studying for the California C-15 and Law and Business examinations.
No. Course completion does not grant a contractor license. Applicants must satisfy applicable CSLB experience, application, examination, insurance, bonding, and license issuance requirements.
1 Exam Prep brings organized flooring trade instruction, California Law and Business preparation, focused review materials, practice questions, and comprehensive final examinations together in one learning package.
Prepare for both the California Flooring and Floor Covering (C-15) Trade Examination and the California Law and Business Examination with 1 Exam Prep's Business & Trade Online Courses. Strengthen your technical knowledge, master the tested subjects, and approach examination day with confidence.
