At Diamond Fire Protection LLC, our mission is simple: protect lives and property with integrity, precision, and reliable fire sprinkler systems.
Our team is made up of engineers, foremen, and field experts with decades of combined experience. Every project we take on is backed by world-class products, NFPA standards, and a commitment to safety first.
We believe in building more than systems — we build trust. That’s why contractors, homeowners, and businesses across San Diego, Orange County, Riverside, Los Angeles, and Ventura rely on us for fire protection that lasts.



Proven Expertise – Skilled engineers and foremen with years in fire protection.

All-in-One Service – Design, installation, inspections, repairs, and utilities.

Built for Compliance – NFPA standards and local codes always met.

Reliable Response – On time, on call, and ready for emergencies.

Local Commitment – Protecting homes and businesses across Southern California.

We review your property and project needs to recommend the right fire protection solution.

Our engineers create code-compliant, efficient system layouts tailored to your space.

Skilled technicians install your system with precision and verify performance through thorough testing.

We provide inspections, maintenance, and repairs to keep your system reliable year-round.