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18 Years
experience
Emergency
services
24/7 Professional Locksmith Services in Atlanta
Founded on principles of trustworthiness and professionalism, Lost Mountain Locksmith has served Metro-Atlanta since 2008. Our team of thoroughly vetted technicians specializes in residential, commercial, and automotive locksmith solutions with 24/7 emergency availability. We prioritize transparent pricing and upfront communication about service scope and costs. Our expertise includes high-security lock installations, broken key extraction, and smart key programming for modern vehicles. With mobile service units equipped with cutting-edge tools, we deliver efficient on-site solutions for lockouts, re-key services, and access control systems. Our commitment to quality extends to comprehensive background checks for all technicians and ongoing training in the latest security technologies.

Customer satisfaction remains our top priority, as evidenced by our guarantee of service efficiency and fair pricing. We serve homes, businesses, and vehicle owners across Metro-Atlanta, Smyrna, Dallas, Hiram, and surrounding areas. Our owner-operator approach ensures direct accountability and maintains the high standards established through years of industry experience. Whether addressing urgent lockouts or implementing long-term security solutions, we combine technical expertise with personalized service to meet diverse client needs.
Services
Residential Lockouts Commercial Re-Key Services Automotive Key Programming Broken Key Extraction Smart Lock Installations Master Key Systems Ignition Repairs Access Control Solutions 24/7 Emergency Service Lock Replacement
Details
  • Year established: 2008
Highlights and features
  • We offer 24/7 emergency locksmith services with rapid response times
  • Our technicians undergo comprehensive background checks and ongoing training
  • Transparent pricing with no hidden fees or surprise charges
  • Mobile service units equipped with cutting-edge lock and key technology
  • Owner-operated business ensuring direct accountability and service quality
What people say
Fast service Very professional Great prices Prompt assistance Honest technicians
Services
Automotive Key Programming
Specialized programming for transponder keys and smart keys in modern vehicles. Our mobile technicians handle all makes and models with on-site key cutting and programming. Service includes ignition repairs and replacement for foreign and domestic vehicles.
Residential Lockouts
Emergency access solutions for locked-out homeowners. Services include broken key extraction, lock replacement, and installation of high-security locks. Technicians provide same-day service with no damage to existing lock systems.
Commercial Re-Key Services
Comprehensive key system management for businesses. Includes master key systems, access control solutions, and emergency lockout prevention. Services ensure secure employee access management and property protection.
Smart Lock Installations
Installation of programmable smart lock systems for homes and businesses. Services include keyless entry systems, remote access control, and integration with existing security infrastructure for enhanced property protection.
Broken Key Extraction
Specialized tools and techniques to remove broken keys from locks or ignitions. Service covers automotive, residential, and commercial applications with minimal disruption to lock functionality.
People
Paul Demetrius
Owner & Operator
Son of an entrepreneur with over 15 years in locksmith industry. Built Lost Mountain Locksmith on principles of trustworthiness and quality service. Directly oversees daily operations and technician training.
Questions
What areas do you service?
We serve Metro-Atlanta, Smyrna, Dallas, Hiram, and surrounding areas in Georgia.
Do you offer 24/7 emergency services?
Yes, our locksmith technicians are available 24 hours a day, 7 days a week.
What types of automotive keys can you replace?
We handle all modern vehicle keys including smart keys, transponder keys, and remote fobs.
Are your technicians trained and certified?
All technicians undergo background checks and receive ongoing training in latest security technologies.
How much does key replacement cost?
Prices vary by key type, ranging from $180–$600 for automotive smart key replacements.
Can you re-key existing locks?
Yes, we provide re-key services for residential, commercial, and automotive lock systems.