Assess the Brea property
Review risks, blind spots, doors, existing infrastructure, network, power, and access conditions.
Hello, Brea
Professional security system installation in Brea.
Three Factor Security provides security camera installation, alarm installation, access control, and intercom installation for homes, businesses, communities, warehouses, offices, and mixed-use properties throughout Brea and surrounding communities.
- ★ 4.9 ratingHundreds of client reviews
- 10,000+Systems installed & serviced
- Since 2008Family-owned
- CSLB #1094834C-7 licensed, bonded & insured
- BSIS ACO #8164Licensed alarm company
Brea security systems
Built for how Brea properties actually operate.
Brea properties range across residential, commercial, industrial, multifamily, retail, and institutional properties. We design camera coverage, alarm zones, door control, and visitor entry around the way each site is used rather than applying a standard equipment package.
The property, infrastructure, operating schedule, users, and response requirements determine the appropriate system design.
Projects can include video surveillance, intrusion detection, gate or door intercoms, live monitoring, system upgrades, and preventive maintenance, with testing and user training included in the handoff.
Representative Southern California field work
Local planning backed by hands-on installation experience.
For Brea, we plan around the property in front of us and bring the same field standards shown in these authentic regional installations. Our experience spans residences, managed communities, hospitality, retail properties, and business environments. Images show Three Factor Security work completed elsewhere in Southern California and are selected to match the broad property context—not to represent a specific address in Brea.
Commercial • Industrial • ResidentialAssessment • Design • InstallationMonitoring • Service • Response
Fieldwork inLos Angeles
Fieldwork inLomitaAvailable in Brea
Complete security services from one team.
Security Camera Systems in Brea
Cameras placed for the views you actually need, with clear footage you can check from your phone.
Explore service →Live Monitoring & Remote Site Surveillance in Brea
Construction sites and vacant properties, watched from a UL-listed, Five Diamond central station.
Explore service →Virtual Security Guard & Incident Response in Brea
Virtual guarding through our UL-listed monitoring partner: live remote patrols, verified events, and audio talk-down.
Explore service →Alarm Systems in Brea
Alarm systems that are simple to arm, easy to verify, and ready for monitoring.
Explore service →Intercom Systems in Brea
See and talk to visitors before you open the door or gate.
Explore service →Access Control Systems in Brea
Card, fob, and phone access for doors, gates, and garages, with permissions you control.
Explore service →Early Detection Systems in Brea
AI analytics and thermal sensing that flag a problem while it is still developing, not after the damage is done.
Explore service →Gates, Fencing & Perimeter Security in Brea
Pedestrian and vehicle gates, fencing, and gate operators, tied into your access control and intercoms.
Explore service →Security Audio & Emergency Communication Systems in Brea
Speakers, paging, and talk-down so your team can warn people and direct them in real time.
Explore service →Security System Upgrades & Modernization in Brea
Upgrades for older systems that are unreliable, unsupported, or never documented, keeping whatever still works.
Explore service →Consulting & System Design in Brea
An honest audit of what you have and what is missing, plus a plan you can budget in phases.
Explore service →Preventive Maintenance & System Health in Brea
Scheduled inspections, cleaning, and testing, so problems get caught before you need the footage.
Explore service →Your local project
From site walk to system handoff.
Design the system
Choose the equipment, map the coverage, and plan for what you will add later.
Install & commission
Install it cleanly, test everything, set up your phones, and walk your team through it.
Support after handoff
Stay available for service, maintenance, and upgrades after the install.
Nearby service areas
Free assessment
Plan your security in Brea.
Tell us how to reach you and what you need. Here’s what happens next:
- We call you.A short phone consultation about the property and what you need.
- We visit if it helps.For qualifying projects, we review the property on site.
- You get an estimate.Verbal or written. Scope and pricing are agreed in writing before any paid work.
Family-owned since 2008 · Licensed, bonded and insured · CA CSLB #1094834 (C-7) · CA BSIS ACO #8164 (Alarm)
Begin with a professional assessment