At Master Security Center, we are experts regarding your security needs. As one of the oldest and most trusted names in the security business, we know how to get the job done right the first time. Since 1940, we have been servicing the metro Denver area and our commitment to you is - as it has always been - total quality and satisfaction for every customer.

We provide complete commercial and residential security services and guarantee customer satisfaction.

Call us today or click here to contact us. We can provide you with the services that best suits your needs at a competitive price.

For service or to place an order, call 303-333-2005 or e-mail. Our knowledgable sales staff is on hand 8am-5pm Monday-Friday, 9am-5pm Saturday (MST) and can answer any questions, help you place your order, and provide a delivery or shipping quote over the phone.

We accept checks, cash and PayPal.

Our Services:

Locks Rekeyed, Repaired, Installed and Opened
Master Key Systems - Electric Locks & Strikes
Safes - Sales and Services - Combinations Changes
Restricted Key Systems - Push-Button Access Control
Door Sales and Service