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what can you do with a D-64 license in california?

What Can You Do With a C-61/D-64 License?

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What Can You Do With a C-61/D-64 License?

The non-specialized contractor license is typically for trades that cannot be found under the main list of classification specialties.

In theory, this could be a wide range of areas, it is a license typically used by individuals or companies specializing in:

  • Back flow Services
  • Mold Remediation
  • Carpet Cleaning
  • Air-Duct Services and Cleaning
  • Rope & Rigging
  • Back Flow Testing
  • Carpet and Tile Cleaning
  • Automation Services
  • Flood Restoration
  • Shower Pans
  • Rigging & Relocation
  • Mold/Smoke/Fire Remediation
  • Stone Care


The C-61/D-64 license for Non-specialized is one of 73 contractor licenses available in California. Contractors in the state of California are governed by the CSLB (Contractors State License Board)

There are 4 major classification categories:

Commonly referred to as the “D-64 license”, this classification falls under the C-61 Contractor license category.

For licenses under this category, there is no trade examination.


what can you do with a D-64 license in California

California Contractor Requirements

To get a C-61/D-64 license you must meet the following basic requirements:

  • 18 Years of Age
  • 4 Years of Journeyman Level Experience
  • Social Security or ITIN #
  • Not Currently on Probation or Parole
  • Signature from a licensed contractor, fellow employee, supervisor, or business associate 

CSLB Law & Business Exam for C-61 Contractors

California contractors looking to get their C-61/D-64 license will be tested in the following areas:

1. Business Organization (10%) 

  • Company organization 
  • Project organization

2. Business Finances (15%) 

  • Cash management 
  • Budget and planning
  • Taxes Financial reporting

3. Employment Requirements (12%) 

  • Employment regulations 
  • Evaluation and record-keeping
  • Payroll

4. Bonds, Insurance, and Liens (10%) 

  • Bonds 
  • Workers’ compensation insurance 
  • Liens and other remedies
  • Other insurance

5. Contract Requirements and Execution (23%) 

  • Bidding 
  • Cost control
  • Contracts
  • Payments

6. Licensing Requirements (8%) 

  • Business license 
  • Contractor’s license
  • Activity regulation

7. Safety (15%) 

  • Training and reporting requirements 
  • General safety
  • Hazardous/unknown materials

8. Public Works (7%) 

  • Prevailing wage requirements 
  • Bonding requirements
  • Insurance requirements


What's the exam process like?

The exam will be:

  • 115 Questions
  • Multiple Choice
  • Closed Book
  • 3 Hours to Complete
  • Taken via Computer at a CSLB Testing Facility
  • Exam Centers in: Berkeley, Fresno, Norwalk, Oxnard, Sacramento, San Bernardino, San Diego, and San Jose

Math Skills 

There will be math on your CSLB law & business exam.

It is important to remember that questions will be presented to you as if you are a General Building Contractor with multiple projects running simultaneously with several employees.

You can expect math questions related to:

  • Arithmetic
  • Cost Estimation 
  • Calculating Square Footage
  • Units of Measurement
  • Percentages and Decimals

Preparing for Your CSLB license exam

Our complete course breaks down all of the essential knowledge you need to be successful on your CSLB law & business examination.

In addition to passing your exam, you will also be equipped with valuable knowledge that will give you a crash course in how to run a contracting business effectively and profitably.

You will learn:

  • Company organization 
  • How to bid effectively
  • Understanding cost control
  • Various contract types
  • Cash management
  • Estimation fundamentals
  • CAL/OSHA
  • Business Structures
  • Worker’s Compensation and Taxes
  • Insurance Types in Construction
  • Labor Laws and Employee Rights
  • Hiring and Firing Practices
  • Contractor Bonds
  • Mechanics Liens
  • State Laws and Statutes
  • Project Management 101
  • Prevailing Wages and Public Works
  • And Much More!