
Locksmith & SecurityServices You Can Trust
From auto chip keys and high-security locks to safes and surveillance systems, Interstate Security has provided complete locksmith and security solutions to Erie, PA and the Tri-State Area for over 60 years. We are an Authorized Medeco Security Center with the expertise to handle any job.
Keys & Auto Chip Keys
Modern vehicles require more than a simple key cut. Today's transponder and chip keys contain embedded electronics that must be programmed to your car's specific immobilizer system. Interstate Security specializes in duplicating and programming auto chip keys for virtually every make and model on the road.
Auto transponder key duplication and programming for domestic and foreign vehicles
Standard key duplication for residential, commercial, and padlock keys
Precision key cutting using professional code machines and key blanks from leading manufacturers


Locks & Hardware
The right lock is the foundation of any security plan. As an Authorized Medeco Security Center, Interstate Security carries and installs some of the most pick-resistant and drill-resistant lock hardware available. We also stock a full range of products from the industry's top manufacturers for every budget and application.
Installation & Repair
New lock installation, repair of existing hardware, and full rekeying services
High-Security Systems
Medeco high-security cylinders, maximum security deadbolts, and restricted keyways
Keyless Entry
Electronic and keypad locks for residential and commercial properties
Emergency Lockouts
Locked out of your home or business? We can get you back inside without damage
Safes & Vaults
Our showroom at 2310 State Street features a selection of residential and commercial safes that you can see and handle before you buy. Whether you need fire protection for important documents, a gun safe for your firearms collection, or a floor safe for your business, we can help you choose the right model and arrange delivery and installation.
Safe Sales
Browse our in-store selection of fire safes, gun safes, floor safes, and wall safes from trusted manufacturers
Safe Opening & Repair
Lost the combination or dealing with a malfunctioning lock mechanism? Our technicians can open and repair safes of all types and ages
Combination Changes
Moving into a new home or office with an existing safe? We change combinations to ensure only authorized individuals have access
Antique Safes
Specialized service for antique and vintage safes, including restoration, opening, and ongoing maintenance

“See it before you buy it.”
Our showroom lets you compare sizes, fire ratings, and lock types in person. Our staff will walk you through the options and help you find the right safe for your needs and budget.
Security Systems
Physical locks and safes are just one layer of protection. Interstate Security also designs and installs electronic security systems that give you visibility and control over who enters your property and when. We work with businesses throughout the Tri-State Area to build access control and surveillance solutions tailored to each facility.
Access Control
Card key systems, proximity readers, and electronic access control solutions for offices, warehouses, and multi-tenant buildings. Manage who has access to which areas and maintain a complete audit trail of all entries.
CCTV & Video Surveillance
Professional video surveillance system design and installation. Monitor your property in real time, record activity around the clock, and review footage when you need it. We handle everything from camera placement to system configuration.
Why Interstate Security?
Over 60 years of continuous operation and a family name built on doing the job right the first time.
Authorized Medeco Center
Factory-authorized to sell, install, and service the full line of Medeco high-security products
60+ Years in Business
Continuously serving Erie and the Tri-State Area since Mr. Carneval opened the doors in 1964
Full-Service Operation
Keys, locks, safes, and electronic security all under one roof, with a fully equipped machine shop and two-bay garage
Walk-In Showroom
Visit our 2,500 sq. ft. facility at 2310 State Street to browse safes, locks, and security hardware in person
Need a Locksmith orSecurity Professional?
Whether you need a chip key programmed, a deadbolt installed, a safe opened, or a surveillance system designed, the team at Interstate Security is ready to help. Call us or stop by our showroom on State Street.