Trusted Fire Sprinkler Experts Serving San Diego, Orange County, Los Angeles, Riverside and Ventura.

Protecting people, property, and projects requires more than standard equipment. It calls for expertise, precision, and a dependable team that understands the importance of safety and compliance. At Diamond Fire Protection, we specialize in fire sprinkler system design, installation, inspection, and repair for commercial, industrial, and residential properties across Southern California. Based in Temecula, our team works closely with contractors, developers, and property managers to deliver code compliant solutions that align with NFPA standards and support smooth inspections.
From new construction and underground fire line installation to routine maintenance and emergency repairs, we provide comprehensive fire protection services tailored to each project’s needs. Our focus on reliable workmanship, responsive communication, and detail driven execution help keep projects on schedule while ensuring long-term safety and peace of mind for property owners and stakeholders.
We offer a complete range of fire sprinkler and protection services tailored to meet the safety and compliance needs of modern buildings.

Custom-designed systems for homes, businesses, and industrial properties, built to meet code and protect what matters most.

From routine testing to 24/7 emergency repairs, we keep your fire sprinkler systems reliable and compliant year-round.

Expert engineering with hydraulic calculations, BIM modeling, and seismic bracing for safe, efficient fire protection layouts.

Complete utility solutions including fire mains, hydrants, FDCs, and backflows to support your entire fire protection system.
We take pride in every project we complete. Take a look at some of our recent work:










Needed help with a roof fire sprinkler system and called Bryant. He was able to solve our problem and do the work within our timeline of next couple days, while other local companies were not available. I was very happy with his service and highly recommend Diamond Fire Protection and Bryant.
Chris McCray
