Est. 1985 · Southern California

Professional Systems.
Personal Service.

Seamless security, automation, and AV for Southern California’s finest homes, estates, and corporate campuses — engineered for performance without sacrificing design.

40+ Years
1 Family-owned
24/7 Mindset

Our Solutions

Commercial-grade reliability with residential-grade elegance — selected and integrated for how you actually live and work.

Surveillance Systems

4K/8K IP cameras with AI analytics, license-plate recognition, thermal imaging, and zero visible cabling.

Fire & Burglary Alarms

Code-compliant life-safety with discreet sensors, 24/7 monitoring pathways, and instant alerts.

Access Control

Biometric, mobile-credential, and keypad solutions with visitor management and audit trails.

Whole-Home Automation

Scenes that unify security, lighting, climate, shades, pools, and entertainment — one app or voice.

Networking & Infrastructure

Future-proof networks for 8K streaming, dense IoT, and zero dead spots across the property.

Audio-Visual

Hidden speakers, media rooms, boardrooms, and outdoor audio landscapes — controlled as one system.

Residential & Commercial

Two worlds. One standard of craft.

Residential

Technology for Southern California’s most discerning clients — engineered to enhance lifestyle without announcing presence. Quiet infrastructure, deliberate interfaces, and systems that disappear into architecture.

Corporate & Creative

Integrated security, surveillance, access control, and life-safety for production studios and corporate campuses with zero tolerance for failure — designed for scale, uptime, and auditability.

Partners & Technologies

We selectively partner with industry-leading manufacturers — 100% manufacturer-independent so we choose what’s best for your project.

Established 1985. Still Family Owned.

Founded in Thousand Oaks by Victor Nelson on one principle: never sacrifice performance for design, or design for performance.

Founded

Nelson Security begins with a focus on craft, discretion, and systems that last.

Full-Stack Integration

Security, automation, networking, and AV — delivered as one coherent experience for homes and enterprises.

Independent By Design

No manufacturer lock-in. Recommendations follow the project, not a brand quota.

Confidential Consultations

Let’s Design Your System

(866) 707-0927

By appointment only · Southern California