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Trusted Home and Commercial Security Systems in Escondido, CA
Knight Security has been a trusted provider of comprehensive security solutions in San Diego since 1974. As a family-owned business with over five decades of experience, we specialize in designing and installing customized home and commercial security systems, fire alarm systems, and private guard services. Our commitment to honesty, integrity, and reliability has earned us recognition as the largest family-owned security company in the region. We offer 24/7 monitoring with no long-term contracts, backed by a 5-year warranty on all equipment. Our team of experts provides personalized consultations to address unique security needs, including pet-friendly systems, remote access via smartphone, and integration with existing infrastructure.

With a customer referral rate exceeding 90%, we prioritize client satisfaction through transparent communication and tailored solutions. Our in-house central station ensures rapid alarm response times, and we maintain CSLB licensing #306628 for professional excellence. From residential vacation checks to industrial complex surveillance, our services combine cutting-edge technology with decades of industry expertise to protect properties of all sizes.
Services
Home Security Systems Commercial Security Systems Fire Alarm Systems Guard Services Video Surveillance Cellular Monitoring Fire Sprinkler Systems Alarm Response Vacation Checks Remote Access Control
Details
  • Year established: 1974
Highlights and features
  • 50+ years of local security expertise since 1974
  • Family-owned operation with personalized service
  • 24/7 in-house monitoring with rapid response times
  • No long-term contracts with month-to-month flexibility
  • 90%+ customer referral rate for proven satisfaction
Associations and certifications
  • CSLB License #306628
What people say
Very pleased with the service Helpful and a gentleman Rapid alarm response Tailored security solutions No long-term contracts
Services
Home Security Systems
Custom-designed home security systems with 24/7 monitoring options. Features include smartphone control, pet-friendly sensors, and flexible contract terms. Systems start at $30/month with cellular backup available. No long-term commitments required, and all installations come with a 5-year warranty.
Commercial Security Systems
Tailored security solutions for commercial properties including access control, employee code management, and automated system features. Monitoring starts at $30/month with scalable options for small offices to industrial complexes. Integration with existing infrastructure and remote management capabilities ensure comprehensive protection for all business types.
Fire Alarm Systems
Comprehensive fire detection and suppression systems with quarterly inspections. Options include smoke detectors, heat sensors, and automatic sprinkler integration. Cellular monitoring starts at $30/month, eliminating traditional phone line requirements while ensuring compliance with NFPA 72 standards for residential and commercial properties.
Guard Services
Private security guard services featuring rapid alarm response (under 30 minutes) and property checks. Residential vacation monitoring included free for North County customers. Commercial options provide on-site personnel for industrial sites and retail centers, with annual plans starting at $360/year for dedicated security coverage.
Video Surveillance
Advanced video monitoring solutions using Samsung technology for residential and commercial applications. Systems include Wi-Fi and IP camera options with remote smartphone access. Commercial installations start at $2,800 for basic 4-camera setups, with hard drive storage supporting up to 30 days of footage retention for comprehensive security documentation.
People
Richard Mates
President
Richard Mates leads Knight Security with decades of industry experience, overseeing operations and customer service excellence. He specializes in security system design and business strategy, ensuring the company maintains its reputation for reliability and innovation in San Diego's security market.
Questions
What security systems do you offer for homes?
We provide customizable home security systems with 24/7 monitoring starting at $30/month, including cellular options and smartphone control.
Do you provide commercial security solutions?
Yes, we offer commercial systems starting at $30/month with features like employee access codes and automated security controls for businesses of all sizes.
Are your monitoring contracts flexible?
We offer month-to-month service with no long-term contracts, plus annual prepayment discounts for monitoring plans.
What guard services are available?
Our private guard services include alarm response ($360/year), vacation checks, and on-site security for commercial properties in North County.
Do you handle fire alarm systems?
We install and monitor fire alarm systems starting at $30/month, including smoke detectors and automatic sprinkler systems with quarterly inspections.
What areas do you serve?
We serve all of San Diego County, including Escondido, Rancho Bernardo, San Marcos, and Vista with local response capabilities.