Concord Locksmith is a family-owned and -operated business that provides comprehensive security services for residential, commercial and automotive customers in Contra Costa and Alameda counties. Services can include sale and installation of locks, master key systems, safes, electronic access systems, panic hardware and door closers. Emergency lockout services also are available. Concord Locksmith also sells a range of self-defense products to individuals at least age 18, including pepper spray, stun guns, stun batons, air tasers and personal alarms.