Denniston Fire Protection

It is the mission of Denniston Fire Protection to provide dependable services and offer competitive prices while exceeding client expectations. With our knowledgeable, experienced, and friendly technicians who specialize in fire sprinkler installation, testing, and repair, we will provide you professional and reliable services. Customer satisfaction is our top priority. 

Denniston is licensed and bonded by the state of California and certified by the state fire marshal, CA Contractors License C-16 #990150.  Every job is performed with the highest standard to give you peace of mind.

Call to receive your free estimate.

Contact Us

(714) 450-8575 Office
(714) 450-8577 Fax 
(714) 450-8575 24-hour Emergency Service


  • Design
  • Installation
  • Inspection
  • Testing/Maintenance/Repair
  • Emergency Repair/Response
  • Fire Pump Testing/Repair

Fire Sprinkler Systems

  • Wet fire sprinkler systems
  • Underground supplies
  • Standpipe Systems
  • Pre-action systems
  • Dry Systems