Over a century of locksmithing expertise — residential, commercial, and emergency services available 24/7 across Louisville and Kentuckiana.
Serving Louisville and Kentuckiana for over a century, Klein Bros. brings unmatched experience and community trust to every job — big or small.
Our high-clientele reputation means we handle your home and business security with the utmost discretion. We open homes only with proper identification.
From classic key cutting and hardware to electronic car keys, computer chip keys, and advanced Medeco high-security systems — we do it all.
Locked out at 2am? Broken key in the ignition? Our bonded, insured locksmiths respond around the clock — because emergencies don't keep business hours.
We are proud to be Kentucky's largest supplier of Master Lock products, stocking the full range of hardware for residential, commercial, and industrial needs.
Whether you're a homeowner, contractor, or multi-location business, Klein Bros. scales with your needs — from a single key copy to full access control systems.
From residential homes to complex commercial operations — every lock, key, and security challenge solved with a century of expertise.
Lock installation & repair, rekeying, key duplication, and full hardware upgrades. Proudly stocking Kwikset, Weiser, Emtek, and Master Lock products.
Available 24 hours a day, 7 days a week. Lockouts, broken keys, lost keys — we respond fast.
Keyless entry, master key systems, access control, and commercial-grade lock installation for any business size.
Car key duplication, transponder and chip key programming, electronic key fobs, and on-site automotive locksmith services.
The gold standard in lock security. Medeco keys and cylinders offer unmatched pick resistance, key control, and durability for critical applications.
Klein Brothers Security has been a trusted locksmith service provider serving Louisville, KY, and surrounding areas for over 100 years. What began as a traditional key shop has grown into the region's most comprehensive security solutions provider.
With our depth of knowledge and experience, we've built a reputation for top-notch service to both residential and commercial clients. Our team is familiar with the unique security needs of the Louisville community and is equipped with the tools and knowledge necessary to handle any challenge — from a simple key copy to a full commercial access control installation.
Kwikset · Weiser · Emtek · Master Lock
We stock Kentucky's most comprehensive selection of residential locks, padlocks, decorative hardware, and security solutions.
Lock & Key + Door Shop on Broadway
Visit our key shop at 1101 W. Broadway or our door shop at 1325 W. Broadway — both in Louisville, KY 40203.
Residential & Commercial
Safes, gun safes, fireproof cabinets, and vault installations. Protect your most valuable possessions and documents.
Reach us by phone 24/7 for emergencies, or visit one of our two Louisville locations during business hours.
Tell us the situation — lockout, key duplication, new hardware, or system upgrade. We'll match you with the right solution.
Our skilled, bonded locksmiths arrive on-site or assist in-store with the tools and expertise to get the job done right.
Your property is secured, your keys work, and you're protected. That's the Klein Bros. promise — delivered since 1920.
Yes. Klein Brothers Security offers 24/7 emergency locksmith services. Whether it's a lockout, broken key, or lost key situation, our bonded and insured locksmiths are available around the clock to provide prompt, professional service.
Absolutely. We provide automotive key duplication, computer chip / transponder key programming, and electronic car key services. Visit our key shop on Broadway or call us for on-site automotive assistance.
We offer a full range of commercial locksmith services including lock installation and repair, keyless entry systems, master key systems, access control systems, and on-site service. We handle both commercial and industrial needs — no job is too large or complex.
Medeco is the gold standard in high-security lock technology. Medeco keys and cylinders offer superior pick resistance, key control (unauthorized duplication is nearly impossible), and long-term durability. Ideal for businesses, property managers, and homeowners who demand maximum security.
Yes! We carry a wide selection of safes, gun safes, fireproof cabinets, and vaults — perfect for protecting your valuables, firearms, or important documents. Visit our showroom on Broadway or contact us to discuss your specific storage security needs.
We have two locations on W. Broadway in Louisville: Klein Brothers Lock & Key at 1101 W. Broadway, Louisville, KY 40203, and Klein Brothers Door Shop at 1325 W. Broadway, Louisville, KY 40203. You can also call us at (502) 587-6886 or email service@kleinlock.com.
Whether it's an emergency lockout at midnight, a new business needing master key systems, or a homeowner upgrading their hardware — Klein Bros. has been Louisville's answer for over a century.