OS Locksmith provides professional, efficient, and reliable locksmith services at competitive rates. We offer 24-hour emergency services, including weekends and holidays, for commercial and residential clients in Aliso Viejo, Costa Mesa, Fountain Valley, Garden Grove, Huntington Beach, Irvine, Laguna Beach, Laguna Hills, Laguna Woods, Lake Forest, Mission Viejo, Newport Beach, Santa Ana, Stanton, Tustin, and Westminster.