Assess the Fullerton property
Review risks, blind spots, doors, existing infrastructure, network, power, and access conditions.
Hello, Fullerton
Professional security system installation in Fullerton.
Owners, businesses, communities, and facilities in Fullerton can use one coordinated source for camera systems, alarm installation, intercom installation, access control, gate security, and ongoing technical support.
- ★ 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
Fullerton security systems
Built for how Fullerton properties actually operate.
Effective protection across Downtown Fullerton, education districts, industrial areas, and surrounding neighborhoods depends on more than equipment selection. With education, healthcare, industrial, entertainment, retail, multifamily, and residential properties, the design must account for image detail, alarm verification, visitor communication, credential administration, privacy, recording retention, and reliable connectivity.
Campus schedules, nightlife, shared parking, public entrances, and industrial operations call for site-specific zones and user groups.
Three Factor installs everything from a handful of cameras to enterprise systems of 32 or more across Fullerton — HD and 4K cameras, DVR/NVR storage for 30, 60, or 90+ days, AI-driven people-and-vehicle detection, and mobile access so you can watch your property live from anywhere. Fullerton is a North OC city of a walkable downtown and Cal State Fullerton, which means homes, campus property, and retail all carry different security needs, and we tailor every system to the property in front of us. Each install starts with an on-site assessment near Downtown Fullerton and CSUF and ends with full training and warranty terms written into your project agreement. Living and working in Orange County is demanding enough — let our team handle the cameras so you can focus on what matters.
Property-specific security planning
Separating public, staff and service activity
For a Fullerton office, retail or campus property, different user groups can need different entrances and schedules. Coordinate visitor arrival with staff access and delivery handling, and define who reviews recorded incidents.
Long corridors, multiple buildings or inherited cable systems should be assessed before a camera or access platform is selected. Confirm network capacity, door-interface compatibility and retention requirements. Document the process for permission changes so the completed system remains manageable as occupants change.
Representative Southern California field work
Local planning backed by hands-on installation experience.
For Fullerton, 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 Fullerton.
Commercial • Industrial • ResidentialAssessment • Design • InstallationMonitoring • Service • Response
Fieldwork inLomita
Fieldwork inWestminsterAvailable in Fullerton
Complete security services from one team.
Security Camera Systems in Fullerton
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 Fullerton
Construction sites and vacant properties, watched from a UL-listed, Five Diamond central station.
Explore service →Virtual Security Guard & Incident Response in Fullerton
Virtual guarding through our UL-listed monitoring partner: live remote patrols, verified events, and audio talk-down.
Explore service →Alarm Systems in Fullerton
Alarm systems that are simple to arm, easy to verify, and ready for monitoring.
Explore service →Intercom Systems in Fullerton
See and talk to visitors before you open the door or gate.
Explore service →Access Control Systems in Fullerton
Card, fob, and phone access for doors, gates, and garages, with permissions you control.
Explore service →Early Detection Systems in Fullerton
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 Fullerton
Pedestrian and vehicle gates, fencing, and gate operators, tied into your access control and intercoms.
Explore service →Security Audio & Emergency Communication Systems in Fullerton
Speakers, paging, and talk-down so your team can warn people and direct them in real time.
Explore service →Security System Upgrades & Modernization in Fullerton
Upgrades for older systems that are unreliable, unsupported, or never documented, keeping whatever still works.
Explore service →Consulting & System Design in Fullerton
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 Fullerton
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 Fullerton.
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