California Cabinet, Millwork And Finish Carpentry (C-6) Contractor Licensing Exam Prep Book Reference Package

Prepare for the California Cabinet, Millwork and Finish Carpentry (C-6) contractor licensing examination with a trade-focused Book Reference Package built around the technical resources used to study cabinetry, millwork fabrication, cabinet installation, finish carpentry, code requirements, hazardous-material awareness, architectural woodwork standards, and workplace safety.

The California C-6 classification covers contractors who make cabinets, cases, sashes, doors, trims, nonbearing partitions, and other finish-carpentry products by cutting, surfacing, joining, gluing, and fabricating wood or other products to provide a functional surface. The classification also covers placing, erecting, and finishing cabinets and millwork in structures.

Successful C-6 preparation requires more than general woodworking knowledge. Candidates should understand project planning and estimating, cabinetry and millwork fabrication, cabinet installation, millwork installation, finish carpentry, tools and machinery, materials, workplace hazards, job-site preparation, and safety. This Book Reference Package brings together California codes, cabinetmaking resources, architectural woodwork standards, lead-safety material, and Cal/OSHA references to support study across those areas.

The package includes the 2025 California Building Code, 2025 California Green Building Standards Code, LEAD Safety for Renovation, Repair, and Painting, Modern Cabinetmaking, 6th Edition, North American Architectural Woodwork Standards, Cal/OSHA General Industry & Electrical Safety Orders, and Cal/OSHA Construction & Electrical Safety Orders.

The California C-6 examination is a closed-book test. Reference materials cannot be used during the examination. The purpose of a strong reference package is therefore to help candidates develop familiarity with the trade before testing, reinforce terminology and procedures, and build enough understanding to answer questions independently without relying on books during the exam.

What You Get

• 2025 California Building Code: California Code of Regulations, Title 24.
• 2025 California Green Building Standards Code: California Code of Regulations, Title 24.
• LEAD Safety for Renovation, Repair, and Painting: Reference material addressing lead-safe renovation and repair practices.
• Modern Cabinetmaking, 6th Edition: Cabinetmaking and woodworking reference for fabrication, tools, machinery, materials, construction, and related trade knowledge.
• North American Architectural Woodwork Standards: Reference for architectural woodwork standards and quality-related concepts.
• Cal/OSHA General Industry & Electrical Safety Orders: Safety reference supporting shop, equipment, electrical, and workplace-safety study.
• Cal/OSHA Construction & Electrical Safety Orders: Safety reference supporting construction-site and electrical-safety preparation.

Exam Details

The California Contractors State License Board Cabinet, Millwork and Finish Carpentry (C-6) examination is divided into five major sections. The published examination breakdown is:

• Planning and Estimating: 20%
• Cabinetry and Millwork Fabrication: 24%
• Cabinet Installation: 25%
• Millwork Installation: 16%
• Worker and Job Site Safety: 15%

Planning and Estimating represents approximately 20 percent of the examination. Candidates should prepare for planning cabinetry and millwork projects and estimating cabinetry and millwork projects. Study should include measurements, material quantities, layout, project requirements, work sequencing, and calculations that support accurate fabrication and installation.

Cabinetry and Millwork Fabrication represents approximately 24 percent. Published topics include milling cabinetry and millwork, assembling cabinetry and millwork, storing cabinetry and millwork, and transporting cabinetry and millwork. Candidates should understand materials, tools, woodworking machinery, fabrication procedures, joinery, handling, and protection of completed products.

Cabinet Installation is the largest published examination area at approximately 25 percent. Topics include demolishing old cabinets, identifying possible hazardous materials, preparing the job site, installing cabinets, and finishing cabinets. Candidates should understand the sequence from removal and preparation through layout, placement, fastening, adjustment, and finishing.

Millwork Installation represents approximately 16 percent. Published topics include installing millwork, installing stairs and mantels, refacing cabinets and millwork, and installing windows and doors. Preparation should include practical finish-carpentry methods, layout, fitting, attachment, alignment, and appearance.

Worker and Job Site Safety represents approximately 15 percent. Candidates should prepare for personnel safety, job-site safety, and recycling and disposal of materials. Because cabinet and millwork work can involve power tools, woodworking machinery, electrical equipment, adhesives, coatings, dust, heavy materials, demolition, and construction-site hazards, safety knowledge is an important part of C-6 preparation.

The C-6 examination uses a multiple-choice format with four choices per question and one best answer. Some questions require mathematical computation, and a calculator is provided for applicable calculations.

Closed Book Test

The California Cabinet, Millwork and Finish Carpentry (C-6) contractor examination is a closed book test. No reference materials may be used during the examination.

This makes the study process especially important. Candidates should use the reference books to understand materials, fabrication methods, installation procedures, woodworking standards, code concepts, lead-safety practices, and worker protection before moving toward independent review.

Because Cabinet Installation is the largest examination section, candidates should devote substantial study time to demolition, hazardous-material awareness, job-site preparation, installation, alignment, fastening, fitting, and finishing. Practice should focus on recognizing the correct procedure rather than merely locating information in a book.

Cabinetry and Millwork Fabrication also represents a large portion of the examination. Candidates should develop working familiarity with milling, cutting, surfacing, joining, assembling, handling, storing, and transporting cabinetry and millwork.

Planning and Estimating should include trade calculations and project interpretation. Understanding measurements, material quantities, waste, board-foot calculations, layout, and fabrication requirements can help candidates approach calculation-based questions more confidently.

Licensing Steps

The California Contractors State License Board administers the C-6 Cabinet, Millwork and Finish Carpentry classification. Candidates pursuing this license must complete the application, qualification, examination, and license-issuance requirements that apply to their circumstances.

1. Confirm the C-6 classification. Determine that the work you plan to contract for falls within California's Cabinet, Millwork and Finish Carpentry scope.
2. Meet applicable qualifying-experience requirements. The qualifying individual must satisfy California's experience requirements for the requested classification.
3. Document qualifying work experience. Provide the work-history information required as part of the contractor license application.
4. Submit the contractor license application. Provide the applicant, business, classification, and qualifying-individual information required by CSLB.
5. Complete application review. CSLB reviews the application and determines the examinations and other licensing requirements that apply.
6. Prepare for the C-6 trade examination. Study Planning and Estimating, Cabinetry and Millwork Fabrication, Cabinet Installation, Millwork Installation, and Worker and Job Site Safety.
7. Prepare for applicable Law and Business requirements. Applicants required to complete the Law and Business examination should prepare separately for that examination.
8. Complete required examinations. Take the examinations assigned through the licensing process unless an applicable waiver applies.
9. Complete license-issuance requirements. Finish applicable bonding, fingerprinting, workers' compensation, fee, and other requirements before license issuance.

State Requirements

California defines a C-6 Cabinet, Millwork and Finish Carpentry contractor as a contractor who makes cabinets, cases, sashes, doors, trims, nonbearing partitions, and other items of finish carpentry by cutting, surfacing, joining, gluing, and fabricating wood or other products to provide a functional surface.

The C-6 contractor also places, erects, and finishes those cabinets and millwork products in structures. This means examination preparation should cover both shop-oriented fabrication and field-oriented installation.

Fabrication knowledge may involve materials, machinery, tools, milling, cutting, joining, assembly, storage, and transportation. Installation knowledge can involve removal of existing cabinets, recognition of potential hazardous materials, job-site preparation, placement, fitting, fastening, adjustment, finish work, doors, windows, stairs, mantels, and cabinet refacing.

The classification's focus on finish carpentry also makes precision important. Cabinetry and architectural millwork often require accurate measurements, consistent layout, proper joinery, alignment, suitable materials, and attention to finished appearance.

Safety responsibilities can apply in both shop and field environments. Candidates should understand safe operation of woodworking machinery and power tools, electrical hazards, personal protective equipment, material handling, housekeeping, demolition conditions, hazardous-material awareness, dust, and appropriate disposal practices.

Reference Books

• 2025 California Building Code, California Code of Regulations, Title 24
  This included reference supports study of building-code concepts that may affect cabinet, millwork, finish-carpentry, door, window, stair, interior, and installation work.
• 2025 California Green Building Standards Code, California Code of Regulations, Title 24
  This included reference supports preparation involving California green-building requirements, construction materials, environmental considerations, waste, and related project requirements.
• LEAD Safety for Renovation, Repair, and Painting
  This included reference supports study involving recognition of lead-related hazards and safer practices during renovation, repair, demolition, and painting activities where lead-containing materials may be encountered.
• Modern Cabinetmaking, 6th Edition
  This included reference supports preparation involving cabinet construction, woodworking materials, tools, machinery, milling, joinery, assembly, fabrication, shop practices, and installation concepts.
• North American Architectural Woodwork Standards
  This included reference supports study of architectural woodwork terminology, fabrication expectations, installation considerations, materials, workmanship, and quality-related concepts used in cabinet and millwork work.
• Cal/OSHA General Industry & Electrical Safety Orders
  This included reference supports preparation involving workplace safety, machinery, electrical hazards, personal protective equipment, material handling, shop operations, and employer safety responsibilities.
• Cal/OSHA Construction & Electrical Safety Orders
  This included reference supports preparation involving construction-site safety, electrical exposure, tools, ladders, material handling, personal protective equipment, and other hazards encountered during cabinet and millwork installation.

Test Information and Study Materials

Prioritize Cabinet Installation. At approximately 25 percent, Cabinet Installation is the largest C-6 examination category. Review demolition, possible hazardous materials, job-site preparation, cabinet installation, fitting, adjustment, and finishing.

Spend substantial time on Fabrication. Cabinetry and Millwork Fabrication represents approximately 24 percent. Candidates should understand milling, machine operations, materials, joinery, assembly, storage, and transportation.

Practice Planning and Estimating. At approximately 20 percent, this area requires candidates to understand project planning and estimating. Practice measurements, material quantities, waste calculations, layout, and other trade math used in cabinet and millwork work.

Review Millwork Installation. Study architectural millwork, stairs, mantels, cabinet refacing, windows, doors, fitting, attachment methods, and finish-carpentry procedures.

Study Safety continuously. Do not leave safety preparation until the end. Cabinetmaking can involve saws, planers, routers, sanders, drills, electrical equipment, wood dust, adhesives, coatings, lifting, and other hazards.

Use Modern Cabinetmaking for practical trade review. Connect fabrication questions with real cabinet-shop procedures, machine functions, joinery, layout, and assembly methods. Understanding why a procedure or tool is used can be more valuable than memorizing isolated definitions.

Use the North American Architectural Woodwork Standards to strengthen millwork terminology. Pay attention to materials, fabrication, workmanship, installation, and quality concepts that relate to architectural woodwork.

Review lead-safety concepts for demolition and renovation work. Cabinet removal and finish-carpentry work in existing structures can involve older painted surfaces and other materials that require appropriate hazard awareness.

Transition to closed-book study. Start by using the books to learn unfamiliar subjects. After reviewing a topic, close the reference and work from memory. Repeat this process until you can explain procedures, identify tools and materials, and work through calculations without relying on the book.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep supports California Cabinet, Millwork and Finish Carpentry contractor candidates through organized study guidance, trade-focused review, practice-oriented preparation, reference navigation, and a structured approach to the subjects covered by the C-6 contractor examination.

A strong C-6 study plan should connect shop knowledge with field knowledge. Fabricating a cabinet and installing a cabinet are different stages of the work, yet both depend on accurate measurements, appropriate materials, correct tools, proper procedures, and attention to the finished product.

The Book Reference Package gives candidates resources that address those different areas. Modern Cabinetmaking supports practical fabrication and cabinetmaking study. The North American Architectural Woodwork Standards supports architectural millwork and workmanship concepts. California code references help candidates review requirements that affect work in structures, while the Cal/OSHA references strengthen safety preparation.

1 Exam Prep's study structure can help candidates divide preparation according to the examination categories rather than trying to read every reference from beginning to end. Candidates can focus first on their weakest area, review the relevant reference material, practice applying what they learned, and then return to that subject later for reinforcement.

Because the C-6 examination is closed book, reference navigation is a preparation tool rather than an examination strategy. The goal is to learn how to find and understand information while studying, then build enough familiarity with the concepts to apply them without the books during testing.

Trade-focused review can also help candidates distinguish between closely related subjects. For example, fabrication preparation emphasizes milling, assembly, storage, and transportation, while installation preparation emphasizes demolition, job-site preparation, fitting, placement, and finishing. Organizing these topics separately can make a broad examination easier to study.

1 Exam Prep helps candidates build a more systematic preparation routine by combining the listed references with study guidance centered on planning, estimating, fabrication, installation, millwork, finish carpentry, and safety. The objective is to support stronger trade knowledge and more confident closed-book preparation without promising a particular examination or licensing outcome.

FAQ

What is the California C-6 contractor classification?

The C-6 classification covers contractors who make and install cabinets, cases, sashes, doors, trims, nonbearing partitions, and other finish-carpentry and millwork products made from wood or other materials.

Is the California C-6 examination closed book?

Yes. The California Cabinet, Millwork and Finish Carpentry C-6 trade examination is a closed-book examination. Reference materials cannot be used during testing.

What is the largest C-6 examination category?

Cabinet Installation is the largest published category at approximately 25 percent of the examination.

How much of the exam covers cabinetry and millwork fabrication?

Cabinetry and Millwork Fabrication represents approximately 24 percent of the examination.

What does Cabinet Installation cover?

Published topics include demolishing old cabinets, identifying possible hazardous materials, preparing the job site, installing cabinets, and finishing cabinets.

What does Millwork Installation cover?

Millwork Installation includes installing millwork, stairs and mantels, refacing cabinets and millwork, and installing windows and doors.

Does the C-6 examination include calculations?

Yes. Some examination questions require mathematical computation. Planning, estimating, measurements, quantities, board-foot calculations, and related trade mathematics are useful areas to practice.

Why is Modern Cabinetmaking included?

Modern Cabinetmaking supports study of cabinet construction, tools, machinery, materials, milling, joinery, assembly, shop practices, and other practical subjects relevant to C-6 work.

Why is the North American Architectural Woodwork Standards included?

It supports preparation involving architectural woodwork materials, fabrication, workmanship, installation, terminology, and quality-related concepts.

Why study lead safety for the C-6 exam?

Cabinet installation can involve demolition and work in existing buildings. Hazardous-material awareness is part of the published Cabinet Installation examination content, making lead-safe renovation concepts relevant to preparation.

Why are Cal/OSHA references included?

Worker and Job Site Safety represents approximately 15 percent of the C-6 examination. The Cal/OSHA references support study involving tools, machinery, electrical hazards, personal protective equipment, job-site conditions, and workplace safety.

How should I use the books for a closed-book exam?

Use the references to learn and reinforce each examination topic, then gradually complete more study from memory. Reviewing a subject with a book and later explaining or applying it without the reference can help build the independent recall needed for a closed-book examination.