Trusted Fire Protection for Homes & Businesses
Harden Fire Protection is your local expert for comprehensive fire safety, specializing in fire sprinkler repairs, fire system inspections, testing, and Title 19 certifications. We proudly serve commercial properties, industrial facilities, residential homes, and apartment communities throughout Southern California.
Based in Rancho Cucamonga, we proudly serve the Inland Empire and beyond. As a fully insured and Licensed C-16 Fire Protection Contractor (#1072722), we have the experience to ensure your building is protected, compliant, and up to code.
Don’t just take our word for it—our customers give us 5 stars on Yelp and Google!
24 Hour Emergency Service is available.
Call or text (909) 935-5227 or Email Service@HardenFireProtection.com for a free quote or to schedule.

Fire Sprinkler Systems

Fire Hydrants

Residential Fire Sprinklers

Commercial Fire Sprinklers

Underground Repairs

Fire System Training
Fire Sprinkler Repair, Testing & Inspections Across Southern California:
Fire Protection in Riverside and San Bernardino County
Serving all of the Inland Empire, Harden Fire Protection is your local Fire Protection Company for your fire sprinkler system. The Desert communities, including Palm Springs, Palm Desert, and Indio, are also included in our service area.
Fire Protection in Orange County
The coastal communities of Orange County and cites of Mission Viejo, Santa Ana, Anaheim, Yorba Linda, Brea (and more) are all within our service range.
Fire Protection in San Diego County
Harden Fire Protection will service your fire sprinkler system and perform necessary testing and repairs in North County. Escondido, Carlsbad, and Vista are all included in our service area.
Fire Protection in Los Angeles County
Harden Fire Protection will service areas of Los Angeles County. We perform fire system and sprinkler repairs, annual inspections, and certifications in Glendale, Burbank, Pasadena, Claremont, and all in between.













