C-35 Lathing & Plastering Exam

Passing The C-35 Trade Exam is Easy as 1,2,3!

Commit to passing your CA C-35 Lathing & Plastering exam. Prepare at HOME and on your schedule; “Read, Listen, Watch, Learn, & PASS!“

Apply to the CSLB. We will also help you with your C-35 application! Call us for assistance.

Study, our clients typically pass on their 1st attempt! “Follow the plan and pass your exam!“

All qualifying individuals must also pass their California Law & Business Exam (sold separately)



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Pass the C-35 Lathing & Plastering exam on your 1st attempt. Unleash the most effective and affordable C-35 contractors’ license course available in California. Our clients pass the C-35 Lathing & Plastering exam.

Pass your C-35 Lathing & Plastering Contractor exam; it’s simple as 123!

ONE – Commit to becoming a C-35 Lathing & Plastering Contractor. Study at HOME, & on your schedule; Read, Listen, Watch, Learn, & PASS!

  1. Read our best in the industry C-35 Lathing & Plastering exam prep manual.
  2. Listen & watch as experts review Math & Title 8 Health & Safety Rules.
  3. Learn the art of dominating a four-question multiple-choice exam.
  4. PASS your C-35 Lathing & Plastering exam.

The most effective C-35 contractor exam course available in California at ANY price!

Study Online! Our multimedia Electrical contractor course is your best & most affordable method to pass your C-35 Contractor License Exam!

TWO – Apply to the CSLB. We will help! New online tools will help you correctly fill out your original C-35 Construction Zone Traffic Control contractor exam application. Fill out the form, call us for assistance, and schedule a free line-by-line review of your application before submission to the CSLB!

With our help, submitting a proper C-35 License application to the CSLB has never been easier!

THREE – Prepare for and pass your exam. Our students dramatically improve their test scores and pass their C-35 Construction Zone Traffic Control contractor exam.

When ready to test, schedule your exam through PSI. Please read the PSI Candidate Information Bulletin for more information. PSI – C-35 Lathing & Plastering

IT’s A FACT! when you read something – eTEXTBOOKS, watch something – VIDEO FILES, hear something – AUDIO FILES, and then put that information to use – ONLINE PRACTICE QUESTIONS  & ONLINE EXAMS, your ability to retain our study materials increases exponentially!


Study at home! Don’t waste time commuting to a classroom. Study conveniently in your home or office. Our courses are a proven, reliable, and affordable way to pass the C-35 Lathing & Plastering Contractor exam.


Choose your course format from either

eCourse – 100% Online! Trade eManual, (not printable) Streaming Audio/Video, & Online Practice Tests

Or Printed Manual + Online Audio/Video & Online Practice Tests

Or Printed Manual + CDs, DVDs & Online Testing

Our C-35 Lathing & Plastering Contractor License Trade Exam Course includes the following course materials to maximize your study efforts.

  • Trade Specific Textbooks
  • Audio Lectures
  • Video Lectures
  • Online Practice Questions
  • Simulated Online Exams


The C-35 Lathing & Plastering Contractor exam manual covers the essential topics of the California C-35 Lathing & Plastering contractor license exam. Topics include Plaster Materials, Mixing Plaster, Applying Plaster, and Estimating Plastering Materials, Summaries of the Title 8 Health & Safety Orders, and Traffic Control Review Questions.

The C-35 Lathing & Plastering Contractor Exam Manual contains the following sections:

  • MATH REVIEW: covers math and estimating formulas, units of measurement, elementary geometry, and the architect’s scale.
  • GENERAL KNOWLEDGE: This contains basic trade information all students must know to pass the C-35 Trade exam.
  • HEALTH AND SAFETY: Our comprehensive health and safety section familiarizes students with Cal/OSHA and other regulations and practices.
  • REVIEW QUESTIONS: Lists the most difficult questions, indexed to the relevant section of the manual.


Streaming online Audio/Video files or CDs & DVDs. Expert instructors with decades of experience cover fundamental C-35 Lathing & Plastering exam concepts in greater detail. Our audio/video lectures cover Math Formulas and Title 8 Health & Safety lectures.


  • FLASHCARDS: Online flashcard program tracks your history and also allows you to exclude questions you have already learned.
  • PRACTICE EXAMS: Three final practice exams, each timed to simulate actual exam conditions. The course also includes two Cal/OSHA Health & Safety tests. (exams are approximately 120 questions each.) Our C-35 and Title 8 Health and Safety update list any new questions to reflect changing trends in exam focus.


Get help filling out your contractor exam application or request a free review of your completed form before submission. All students in our C-35 Lathing & Plastering course can call us at (866) 685 8564 for assistance.

ONE YEAR UNLIMITED ACCESS: To All Online eBooks, Audio/Video, Test Questions & Simulated Final Exams.

We provide complete access to all online course materials for an entire year. Other schools may offer only 90-day access to online tools in the hopes of charging you extra $ for extended access to study materials.

C-35 Lathing & Plastering Contractor exam course with C-35 Trade CD's DVDs & online practice tests


A detailed breakdown of the makeup of the C-35 Lathing & Plastering Contractor trade exam. A list of all the reference materials used to create the C-35 exam & the scope of the C-35 Lathing & Plastering contractor classification.

The C35 Exam has four major sections:

Section 1. Planning and Estimation (18% of Exam)

  • Interpret plans and specifications
  • Estimate material, equipment, and labor
  • Job site inspections

Section 2. Lath Preparation and Installation (22% of Exam)

  • Coordinate lath and plaster installation
  • Prepare substrates
  • Install lathing materials
  • Seal penetrations

Section 3. Plaster/Stucco Preparation, Installations, and Repairs (40% of Exam)

  • Mix and apply scratch and brown coats
  • Install plaster/stucco systems
  • Repair plaster/stucco installations
  • Install specialty plaster/stucco installations
  • Clean up job sites

Section 4. Safety (20% of Exam)

  • Personnel safety
  • Job site safety
  • Cal/OSHA laws and regulations
  • Personnel protective equipment

Percentages are approximate

C-35 Lathing & Plastering exam source material:

The CSLB utilizes the following publications to create the Lathing & Plastering exam. California codebooks can be viewed online: www.bsc.ca.gov

2019 California Building Code. California Code of Regulations, Title 24. International Code Council.
PHONE: (800) 786-4452
INTERNET: www.iccsafe.org

2019 California Residential Code. California Code of Regulations, Title 24. International Code Council.
INTERNET: http://www.iccsafe.org

Builder’s Guide to Stucco, Lath, and Plaster. Builder’s Bookstore, Inc.
PHONE: (800) 275-2665
INTERNET: www.buildersbook.com

Gypsum Construction Handbook. U.S. Gypsum Corporation.
PHONE: (800) 950-3839
INTERNET: www.usg.com

Plaster & Drywall Assemblies Manual. Walls & Ceilings.
PHONE: (248) 362-3700
INTERNET: www.wconline.com

Portland Cement Plaster/Stucco Manual. Portland Cement Association.
PHONE: (847) 966-6200
INTERNET: www.cement.org

State of California General Industry & Electrical Safety Orders (Cal/OSHA) and State of California Construction & Electrical Safety Orders (Cal/OSHA). 2019. California Code of Regulations, Title 8. Mancomm.
PHONE: (877) 626-2666
INTERNET: www.mancomm.com

Publisher information is current as of 10/19

C-35 Lathing & Plastering contractor coats surfaces with a mixture of sand, gypsum plaster, quick-lime or hydrated lime and water, or sand and cement and water, or a combination of such other materials that create a permanent coating, including coatings for the purpose of soundproofing and fireproofing. These coatings are applied with a plasterer’s trowel or sprayed over any surface, which offers a mechanical means for the support of such coating and will adhere by suction. This contractor also installs lath (including metal studs) or any other material prepared or manufactured to provide a base or bond for such coating.

A lathing and plastering contractor also applies and affixes wood and metal lath or any other material prepared or manufactured to provide key or suction bases for the support of plaster coatings. This classification includes the channel work and metal studs for the support of metal or any other lathing material and for solid plaster partitions.



We offer our study materials as two separate courses; Course-1: C-35 TRADE EXAM. Course-2: California LAW & BUSINESS EXAM. (Each Sold Separately)


Pass the Law & Business Exam

To obtain your initial contractor’s license, you must successfully complete both the Law & Business Exam, which focuses on California Contractor Law and appropriate business practices, as well as the Trade Exam pertaining to the specific trade you plan to engage in as a contractor.

Pass both exams to qualify for your 1st contractor’s license. “Read, Listen, Watch, Learn, & PASS!”



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Take a free Lathing & Plastering test. These free C-35 exam questions are similar to the ones you will encounter when taking the actual C-35 contractors exam.

You are off to a strong start if you readily answer seven or more questions correctly without guessing.
However, if you miss three or more questions, you risk failing the TRADE portion of the C-35 Exam.

What is the MINIMUM thickness required for line wire for the backing on open wood frames?
When framing around the door of a non-load bearing double channel stud hollow partition, the jack studs located above the head of the door frame should be stiffened with steel channel horizontal stiffener. This stiffener should extend at LEAST how far beyond each side of the opening?
Where is white coat applied?
How many square yards of plaster will be required to plaster fifteen 12’ high round columns with a 3’ diameter?
What is the recommended mixing time when using a mixer to prepare plastic portland cement plaster for a brown coat?
According to Cal/OSHA, the top handrail around scaffolding should be at what MINIMUM height? ​
What is the main purpose of a dash-bond coat?
What is the recommended thickness of plaster over metal lath?
Metal lath must be placed on supports so that.
When fireproofing structural members, which of the following statements are correct?
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Call us at 866-685-8562 for a free licensing consultation.