Los Angeles Fire Alarm Systems & Monitoring

UL-Listed Central Station protection for commercial & industrial facilities across Los Angeles County

24/7 Monitoring, Inspections & Systems – CSI Security

For over four decades, CSI Security has designed, installed, tested, and monitored fully engineered fire alarm systems with code-compliant results and fast local service.

Core Fire & Life Safety Services

  • Fire Alarm System Installation & Design – Engineered systems with CAD submittals, AHJ coordination, and permit assistance.
  • Fire Alarm Monitoring – UL Central Station monitoring with redundant receivers and cellular monitoring.
  • Fire Sprinkler Monitoring & Waterflow Monitoring – Supervised waterflow / tamper per NFPA 72 and Los Angeles Fire Code.
  • Elevator Phone Monitoring & Area of Refuge/Rescue – 24/7 communications for multi-story and ADA-required occupancies.
  • Fire Alarm Testing, Repair & Maintenance – Annual/semi-annual/quarterly testing; certifications, repairs, and emergency service.
  • Engineered Fire Alarm Plans & Submittals – Plan check packages for LAFD, LA County Fire, and city building departments.
  • UL Central Station Monitoring – Local, 24/7 operators in Los Angeles with rapid dispatch and verification.

Industries & Facilities We Protect

Industrial & manufacturing facilities

Warehouses & logistics hubs

Commercial buildings & offices

Healthcare, education & institutiona

Government & municipal properties

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What We Do

01

Fire Alarm Systems

Design/build, retrofits, device adds, tenant improvements, testing, and maintenance.

02

24/7 Alarm Monitoring

Fast signal processing with redundant connectivity and immediate dispatch to first responders.

03

Fire Sprinklers

Wet, dry, pre-action, and deluge systems; hydrostatic testing; repairs; tenant tie-ins.

04

Special Hazard & Clean Agent Suppression

Server rooms, labs, archives, and high-value assets.

05

Kitchen Hood Suppression

Design, installation, UL 300 compliance, semi-annual inspections, and recharges.

06

Licensed & Experienced

Our team is trained and certified to provide the best protection.

07

Portable Fire Extinguishers

Sales, placement plans, annual tags, 6-year maintenance, and hydro-tests.

08

Elevator Recall Integration

Smoke control logic, recall testing, and documentation.

09

Fire Protection Inspections

Quarterly, semi-annual, and annual testing with digital reports and deficiency lists.

Sectors We Serve

  • Multifamily & Mixed-Use (mid-rise/high-rise, podium)
  • Commercial & Office (core/shell, TI, campuses)
  • Hospitality & Restaurants (kitchen suppression, egress)
  • Industrial & Warehousing (sprinkler density upgrades, ESFR)
  • Healthcare & Labs (clean agent, smoke control)
  • Education & Assembly (mass notification, evacuation)

Service Areas

CSI Security delivers Los Angeles fire protection—design, installation, inspections, repairs, and 24/7 alarm monitoring—across Los Angeles County and nearby cities. Our NICET-trained technicians coordinate with LAFD and local AHJs, provide night/weekend scheduling to minimize downtime, and support everything from single sites to multi-property portfolios with transparent, photo-timestamped reporting.
We serve Los Angeles, Van Nuys, Glendale, Palmdale, Lancaster, Pasadena, South Pasadena, North Hollywood, Hollywood, Culver City, Beverly Hills, Santa Monica, El Segundo, Westlake Village, Ventura, Long Beach, Downey, San Fernando, and Commerce. If your property is in or near LA County and isn’t listed, contact us—we likely cover your area and can schedule a fast site walk.

Home Security Systems

Commercial Security Systems

Alarm Installation

24/7 Alarm Monitoring

Fire & Burglar Alarm Systems

Smart Alarm Integration

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