Comlock Security Group & Spectrum Security Systems

Providing Security Solutions to Southern California since 1961. Find us at Alarm service is Spectrum Security Systems.

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

This project required trenching to run underground conduit as part of an alarm system upgrade, adding an extra layer of protection where vulnerabilities were identified. Burglars constantly change tactics, which is why ongoing system upgrades and thoughtful design matter.

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

As we welcome 2026, we’re reminded that strong security is built over time. Decades of service, evolving technology, and a continued commitment to doing things right. Thank you to everyone who has trusted Comlock along the way.

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

Details matter in commercial door security. This project features a maglock-strong, fail-safe, and code compliant when installed correctly. In California, multiple forms of egress are required, and that’s a detail we never overlook. Grateful for our customers as we wrap up the yr

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

Need a Knox Box for your property? Comlock installs Knox Boxes and provides the keys, fobs, or access cards that go inside — keeping your emergency entry system ready when first responders need it most. #ComlockSecurity #KnoxBox #EmergencyAccess #FireSafety #OrangeCountyBusiness

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

Our team recently helped a customer improve the security of two exterior gates with new electrified hardware, designed to withstand outdoor conditions while keeping the property safe and secure.
#ComlockSecurityGroup #GateSecurity #CommercialSecurity #HomeSecurity

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

📷It’s Fire Prevention Week SAVINGS!📷
Save 25% on safes through the end of the year and get a 15% off (expires end of Oct.) service coupon when you join our email list at [email protected] = "ASK TO JOIN"! #FirePreventionWeek #spectrumsecuritysystems #FirstAlertPro

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

One picture shows an LCN door closer our team installed over 20 years ago—still working strong. The other is a newer install. That’s the kind of proven quality and reliability that makes LCN a go-to choice for Comlock and our customers. @AllegionUS

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

Another upgrade by our locksmith team! We just converted this longtime customer’s AMSEC safe from a dial to the reliable AMSEC ESL10 electronic lock. The ESL10 or ESL20 are some of our favorites — easy battery changes, long-lasting performance, and proven reliability. Call now!

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

New CA Gun law - Not all safes are created equal. At Comlock, we only carry safes that already meet California’s strict standards—so you don’t have to guess. #gunlaw #sb53

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

🔑It’s Free-Key Friday! Stop by either Comlock location — Fullerton or Orange — and get a fun, custom key at a great price. Pick your style: sports teams, characters, colors, and more! Looking to protect your home? Call 800-794-4161 ext. 3 to schedule your free alarm consultation

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

🔐 Ditch the keys. Manage your doors anytime, anywhere with Brivo. 💥 First quarter FREE – don’t miss it!

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

Sometimes one camera just isn’t enough — especially when it comes to covering key areas like a back door. Different angles = better coverage = better security.
If your system isn't giving you the full picture, we can help. 📷 Call now and ask how!

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

¡Feliz Cinco de Mayo! Today, we’re celebrating the vibrant culture and heritage of Mexico. Cheers from all of us at Comlock! Stay safe and celebrate responsibly!

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

Our locksmith manager is always on the hunt for unique locks, and here’s one he recently found—an old door knob lock with a rotary dial to enter the code! Talk about retro security! 🔐☎️

[Comlock Security Group & Spectrum Security Systems @ComlockSecurity]

One of our locksmiths found this classic Bill's Lock and Safe sticker—still rocking the same phone number and same family after all these years. We’re like that old lock you just can’t pick—stubborn, reliable, and here to stay!📷