Personal service & a job well-done. Guaranteed. Welcome to Jerry's Lock, Key & Door Service. For more than 23 years we've provided mobile lock, key & door service for residential and commercial clients throughout Catawba, Caldwell, Burke & Alexander Counties. We pride ourselves on our professional, personal service. We guarantee a job well done. Our services, at fair rates, include: Locks - re-keyed and master-keyed Deadbolt lock installation Doorknob installation High security locks Digital keyless entry We also offer door repair services for: Door closers Thresholds Access control