In the industrial finishing industry, your spray booth is much more than a simple piece of equipment. It is a regulated facility that requires a specific set of approvals before you can even think about turning on the fans. We’ve seen lots of shop owners put off the permitting process as a secondary task until after the equipment has been installed, and that mistake can lead to expensive redesigns and months of avoidable downtime. In this article, we’re going to talk about why we believe the permitting process should be integrated into your initial planning phase and how it actually works in California, Arizona, and Nevada.
Why Spray Booth Permits are a Non-Negotiable
Specifically in California, the regulations are complex, and installing a spray booth without the proper permits and documentation isn’t only a legal risk, but also a safety risk. Permits exist to ensure your operation meets three critical requirements:
Environmental Compliance
Authorities need to verify your VOC (Volatile Organic Compound) emissions and air quality impact to ensure you stay within state and federal limits.
Fire Safety
Because you are working with flammable materials, your spray booth must meet strict fire department standards to reduce the risk of workplace accidents.
Health and Safety
Protocols must be in place to protect your technicians from respiratory hazards and to ensure the public isn’t exposed to harmful exhaust.
Which Permits Do You Actually Need?
The specific requirements can change depending on your city and the complexity of your project. Generally, you can expect to deal with three main categories:
- Building Permits: These cover the structural installation, electrical hookups, and gas lines.
- Air Quality Permits: In California, this usually involves the SCAQMD or your local air district to monitor emissions.
- Fire Department Approvals: This ensures your fire suppression system and booth construction are up to code.
The Standard Path to Approval
If you were to handle this process on your own, the steps can be rigorous. It begins with extensive research into your local regulations, since fire and safety codes can vary significantly between neighboring jurisdictions.
You then have to complete detailed applications. Regulations require specifics on booth dimensions, ventilation flow rates, emission control systems, and the exact types of paints and solvents you intend to use. Usually, you will need to submit environmental impact data regarding VOCs before you are even granted an on-site inspection. Once the application is submitted, constant follow-up is required to move the project through the queue, as approval times can range from a few weeks to several months, depending on the response time of the authorities. But despite this extensive process, there is an easier way.
How Rely-On Simplifies the Permitting Process
The most common cause of a stalled installation is a missed code requirement during the review of the exhaust or supporting utilities. Instead of navigating these hurdles alone and risking a project redesign, Rely-On Technologies manages the entire process from start to finish.
We specialize in the permitting landscape across the Southwest. We handle the paperwork, the technical documentation, and the direct communication with authorities for you. Because we have a deep understanding of California’s specific regulations and a proven track record of successful approvals, we can provide an accurate estimated timeline and ensure your project complies with all legal requirements before the concrete is even poured.
Our goal is to make the entire permitting process experience as smooth as possible so you can focus on running your shop. Get in touch with us here, and let us handle your project from start to finish. We also offer preventative maintenance services to help keep your spray booths running smoothly and efficiently.

Alfonso Ortiz is the President and Chief Operations Officer of Rely-On, where he provides strategic leadership and oversees the company’s day-to-day operations, driving continued growth and operational excellence. Since joining the company in 2001, he has played an integral role in expanding the business, beginning in sales and administrative support before advancing into executive leadership. Today, Alfonso leads company operations while guiding sales, marketing, and customer relations, ensuring every project reflects Rely-On’s commitment to quality, innovation, and exceptional service.