About Us Alonzo's Lock Service is a Locksmith located in Elmendorf, TX and has been servicing all of Elmendorf and the surrounding areas for many years. We specialize in Residential Locksmith Services, Commercial Locksmith Services, Building Lockouts, Garage Door Lock Services, Rekeying, Key Duplication Service, Smoke Alarm Install, Dead Bolt Installation & more. Here at Alonzo's Lock Service, our mission is to always provide quality service at an affordable price. The success of our company is due to the dedication we provide to our customers. No matter the job, customer satisfaction is always our number one priority! Don’t hesitate to give us a call!