Can a General Contractor Do Roofing in California? ExplainedCan a General Contractor Do Roofing in California? Explained
If you’re a general contractor in California, you may be wondering whether you’re allowed to do roofing work. The answer is not a simple yes or no.
“In California, general contractors are licensed to perform a wide range of construction work, but there are some limitations when it comes to roofing.” said Charles Jimerson of Commercial Roofing NJ.

The California Contractors State License Board (CSLB) issues licenses for contractors in the state. The CSLB issues a specific license for roofing work, known as the C-39 license.
This license is required for any contractor who wants to do roofing work in California. However, if you’re a general contractor, you may be able to perform roofing work under certain circumstances. It’s important to understand what those circumstances are before taking on any roofing projects.
Licensing and Regulations for Roofing in California
If you are planning to start a roofing business in California, it is important to understand the licensing and regulations required by the Contractors State License Board (CSLB). This section will provide you with information on the requirements for obtaining a roofing contractor’s license, permits, and legal considerations.
General Contractor vs. Roofing Contractor
In California, a general contractor can legally perform roofing services without a C-39 roofing contractor’s license. However, if a general contractor is hired to perform roofing work, they must hire a licensed roofing contractor like Commercial Roofing NJ or subcontractor to perform the work.
It is important to note that a general contractor may not advertise or bid on roofing work without a C-39 license.
Requirements for Roofing Contractors
To become a licensed roofing contractor in California, you must meet the following requirements:
- Be at least 18 years old
- Have a valid Social Security number
- Have at least four years of experience in roofing
- Pass a roofing contractor’s exam
- Provide proof of workers’ compensation insurance
- Provide proof of general liability insurance
Permits and Legal Considerations
Before performing any roofing work in California, you must obtain the necessary permits from the local building department.
Most cities in California require a permit for roofing projects, including new construction roofs, reroofs, and substantial roof repairs.
It is important to follow all California roofing codes and laws, including the California Residential Code Chapter 8 which covers the design and construction of roof-ceiling systems.
As a roofing contractor, it is important to maintain general liability insurance to protect yourself and your clients from any damages or accidents that may occur during the roofing process.
It is also important to ensure that all your employees are properly trained and follow safety standards to maintain a professional and safe work environment.
Best Practices for Roofing Projects
When it comes to roofing projects, there are certain best practices that you should follow to ensure that the job is done right. In this section, we will discuss some of the most important practices that you should keep in mind when working on a roofing project in California.
Choosing the Right Materials
One of the most important factors in any roofing project is choosing the right materials.
You need to consider a variety of factors, including the slope of the roof, the weather conditions in your area, and your budget.
Some of the most popular roofing materials in California include asphalt shingles, shakes, slate, and metal roofing systems.
Each of these materials has its own advantages and disadvantages, so it is important to do your research and choose the one that is best for your needs.
Ensuring Quality and Compliance
Another important best practice for roofing projects is ensuring quality and compliance. This means making sure that the installation is done correctly and that all of the necessary permits and inspections are obtained.
It is also important to work with a roofing professional who has the expertise and skills necessary to get the job done right. This includes ensuring that all of the subcontractors and trades involved in the project are licensed, insured, and have the necessary training and equipment.
In addition, it is important to ensure that the roofing material is properly sealed and waterproofed to protect against leaks and damage. This may involve using materials such as felt, glass fabric, urethane foam, or other waterproofing products.
It is also important to ensure that the roofing system is fire-resistant and meets all of the necessary building codes and regulations.
Following these best practices can help ensure that your roofing project is completed on time, within budget, and to the highest standards of quality and compliance. By working with an experienced roofing professional and choosing the right materials, you can enjoy a beautiful and durable roof that will protect your home for years to come.