


Reg 4 Sprinkler Testing
Every 5 years, dry systems every year.
LAFD Regulation 4 requires automatic fire sprinkler systems to be tested by an LAFD-certified tester every five years. Dry-pipe, pre-action and deluge systems are tested every year.
We test apartment buildings, offices, retail, schools, churches and industrial properties, then file the results with LAFD.
Repairs by the same team.
If something fails, we quote the repair on the spot, and your report includes photos of every deficiency.
Fire Sprinkler Services
Testing & Repairs
Sprinkler inspections & testing
LAFD Reg 4 testing for wet, dry-pipe, pre-action and deluge systems, with results filed with LAFD.
Sprinkler head replacement
Replace leaking, damaged, corroded or painted heads and check the system.
Leak & deficiency repairs
Identify failed components, explain the repair scope and retest.
Standpipes & pressure valves
Combined sprinkler and standpipe systems and pressure reducing valves.
Emergency sprinkler service
Call (818) 739-9849 for urgent repairs and appointment availability.





How It Works
01 / Tell us about your property
Send your building address, system type and due date. We coordinate access with your property manager or tenants.
02 / Test and resolve issues
Our team tests the system, documents deficiencies and explains any recommended repairs.
03 / Receive your results
We submit Reg 4 results to LAFD and provide copies for your building records.
Fire Sprinkler FAQs
How often do fire sprinklers need testing in Los Angeles?
Under LAFD Regulation 4, automatic sprinkler systems are tested every 5 years. Dry-pipe, pre-action and deluge systems are tested every year.
What happens if my sprinkler system fails?
LAFD requires defects to be corrected within 30 days of the initial test, then the system is retested. We quote repairs on the spot and can often fix them the same visit.
Do you replace sprinkler heads?
Yes. We replace leaking, damaged, corroded or painted heads and check the rest of the system while we're there.
How much does sprinkler testing cost?
It depends on the building and the systems in it. We quote per building, usually within one business day.
Do you install sprinklers in houses?
No. We don't do new installs on homes. We test and repair sprinkler systems in apartment buildings and commercial properties.
What areas do you serve?
The San Fernando Valley, central Los Angeles, the Westside and South Bay, and the Paramount and Long Beach area.
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