Warren’s Locks & Keys has proudly served the Bismarck–Mandan community since 1971, making us the area’s oldest and most trusted locksmith. Family-owned and operated, we provide both mobile service and walk-in support. Our expert team handles residential, commercial, automotive, and safe locksmith needs, including rekeying, lock installation, master key systems, car key programming, safe sales and unlocking, and more. We feature quality brands like Medeco, Assa Abloy, Allegion, and DormaKaba, backed by a 1-year parts and labor warranty. Whether you need a quick key copy, high-security solution, or safe installation, count on our skilled, dependable locksmiths.