Big D Lock & Key

Big D Lock & Key is a local Locksmith in Warren, MI offering mobile service for residential, commercial, and automotive needs, including lockouts, rekeying, key duplication, and lock repair/installation. Call ahead to confirm ETA and transparent pricing, and have photo ID and proof of ownership ready for home or vehicle lockouts to speed things up. Ask about security upgrades like high-security deadbolts, smart locks, and master key systems, and request a written quote and warranty before work begins. For car service, share your vehicle’s year/make/model and key type (standard, transponder, or fob) to ensure on‑site cutting/programming is available, and consider getting a spare key made to avoid future emergencies.