Mathias Lock and Key is your total commercial security solutions including access control, alarm systems, camera security, locksmith services, safes, and doors and framing services. We've been servicing the Denver Metro area since 1901.

Protect What Matters with Mathias Lock and Key, Inc

Looking for trusted Locksmith services in Denver? Mathias Lock and Key, Inc is your local expert for alarms, surveillance, access control, and more. Whether you're securing your home or business, get help from pros who know how to keep you safe. Fast. Simple. No pressure.

Fast. Easy. Hassle-Free.

First Name *
Last Name *
Email *
Phone *
Zip Code *
Service *

Expert Security Tips & Insights

Discover guides and advice from industry pros
to help you secure your home, business, and peace of mind.

How to Make Smart Home Tech Work for You (Not Against You)

June 26th, 2025

About Mathias Lock and Key, Inc

Location / Contact

Security Professionals

BritePro AV Home Theater Showroom

Colt Buildings LLC

Rush Heating and Cooling Inc.

The Tech Spot

FullNet Management Group

Protect What Matters with Mathias Lock and Key, Inc

Expert Security Tips & Insights

How to Make Smart Home Tech Work for You (Not Against You)

The Future of Home Security: What to Expect in the Next Decade

The Unseen Costs of a Security Breach

Follow us on

Security Professionals

For Businesses

About