Assess the Pasadena property
Review risks, blind spots, doors, existing infrastructure, network, power, and access conditions.
Hello, Pasadena
Professional security system installation in Pasadena.
We provide residential and commercial security-system installation across Old Pasadena, the Playhouse District, and surrounding neighborhoods, with professional cameras, alarms, intercoms, access control, live video monitoring, and responsive service.
- ★ 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
Pasadena security systems
Built for how Pasadena properties actually operate.
No two Pasadena properties operate exactly alike. The area's historic neighborhoods, professional offices, education, healthcare, retail, and multifamily can involve different visibility, schedules, visitors, deliveries, residents, employees, vehicles, and restricted spaces, so the design begins with a detailed site assessment.
Historic architecture, public events, campuses, parking structures, and mixed-use buildings call for careful infrastructure and access planning.
Three Factor installs everything from a handful of cameras to enterprise systems of 32 or more across Pasadena — 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. Pasadena is a historic city of Old Town, Caltech, and the Rose Bowl, which means homes, offices, retail, and institutions 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 Old Pasadena and Caltech and ends with full training and warranty terms written into your project agreement. Living and working in Los Angeles County is demanding enough — let our team handle the cameras so you can focus on what matters.
Property-specific security planning
Modernizing occupied buildings without losing useful infrastructure
For a Pasadena office, campus, multifamily building, or retail property, an existing system should be assessed before a replacement is specified. Check cable condition, power, recording operation, device support, and control of administrator accounts. Reuse depends on demonstrated compatibility and condition.
Occupied and finished spaces can make pathways and installation scheduling as important as device selection. Review shared entrances, parking, visitor calls, and user turnover, then define permissions and support responsibilities that the property team can maintain.
Representative Southern California field work
Local planning backed by hands-on installation experience.
For Pasadena, we plan around the property in front of us and bring the same field standards shown in these authentic regional installations. Our experience spans urban commercial properties, active business environments, industrial operations, and residential sites. 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 Pasadena.
Commercial • Industrial • ResidentialAssessment • Design • InstallationMonitoring • Service • Response
Fieldwork inLomita
Fieldwork inCosta MesaAvailable in Pasadena
Complete security services from one team.
Security Camera Systems in Pasadena
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 Pasadena
Construction sites and vacant properties, watched from a UL-listed, Five Diamond central station.
Explore service →Virtual Security Guard & Incident Response in Pasadena
Virtual guarding through our UL-listed monitoring partner: live remote patrols, verified events, and audio talk-down.
Explore service →Alarm Systems in Pasadena
Alarm systems that are simple to arm, easy to verify, and ready for monitoring.
Explore service →Intercom Systems in Pasadena
See and talk to visitors before you open the door or gate.
Explore service →Access Control Systems in Pasadena
Card, fob, and phone access for doors, gates, and garages, with permissions you control.
Explore service →Early Detection Systems in Pasadena
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 Pasadena
Pedestrian and vehicle gates, fencing, and gate operators, tied into your access control and intercoms.
Explore service →Security Audio & Emergency Communication Systems in Pasadena
Speakers, paging, and talk-down so your team can warn people and direct them in real time.
Explore service →Security System Upgrades & Modernization in Pasadena
Upgrades for older systems that are unreliable, unsupported, or never documented, keeping whatever still works.
Explore service →Consulting & System Design in Pasadena
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 Pasadena
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 Pasadena.
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