Kaiser Lock & Key brings over 100 years of combined locksmith expertise to homes and businesses across the Front Range — from simple re-keys to advanced access control systems.
Over four decades of trusted locksmith and security service across the Front Range — a track record that earns its reputation one job at a time.
Our technicians collectively bring over a century of hands-on locksmith knowledge — the depth that handles any job with confidence.
A family business built on reputation. We stand behind every job with our name, our craftsmanship, and our word.
Transparent pricing before work begins. No surprise charges, no pressure — just clear answers and honest costs.
Home deadbolts to enterprise access control — we have the expertise and equipment to secure any property at any scale.
From Boulder and Louisville to Denver, Longmont, and beyond — local expertise delivered across the entire Front Range.
From traditional locksmith work to sophisticated electronic access systems — we cover the full spectrum.
From new installations to worn hardware and re-keying, we keep every entry point on your property secure and functioning exactly as it should.
Modern keyless solutions for homes, offices, and multi-tenant properties.
Designed for administrators — full access with precisely managed individual restrictions.
Prevent unauthorized duplication — only approved individuals can copy your keys.
Customizable systems engineered for businesses of all sizes and layouts.
The most reliable first line of defense — professionally installed for any door.
Complex commercial systems protecting assets without disrupting daily operations.
Fast, accurate duplicates at our Louisville retail store — walk in, walk out.
Every job handled with precision and quiet confidence — regardless of complexity.
Every customer's property treated like our own — with care, accountability, and genuine service.
Home deadbolts to enterprise access control — the same standard of excellence for every client.
Modern tools and techniques so your security is current, effective, and built to last.
Clear, no-obligation estimates before any work begins — no pressure, no surprises.
Boulder, Louisville, Denver, Longmont, Lafayette, Westminster, Thornton, Broomfield & beyond.
Premium locksmith service without the premium markup — efficient work at fair rates.
After-hours emergency coverage available on contract for around-the-clock security assurance.
Kaiser Lock & Key Service, Inc. has been a cornerstone of Colorado's Front Range security community since 1984. What began as a commitment to honest, expert locksmith service has grown into a trusted institution relied upon by homeowners, businesses, and property managers across the region for over four decades.
We are a family-owned and operated business — and that distinction matters. It means every technician who arrives at your door is personally accountable, every estimate is transparent, and every job is completed with the pride that comes from putting our name on the work. Our team collectively holds over 100 years of locksmith experience, spanning traditional lock hardware to the most advanced access control technologies available today.
From our retail store at 815 Walnut Street in Louisville to service calls spanning Boulder, Denver, Longmont, and beyond — the same standards every job: prompt response, quality workmanship, competitive pricing.
Reach out by phone to our Boulder or Louisville location, or stop by our retail store. Describe your need and we'll point you to the right solution immediately.
We assess your security requirements and provide a clear, no-obligation estimate before any work begins — transparent costs, zero pressure.
An experienced technician handles your job with the latest tools and proven techniques, ensuring precise results the first time.
We don't consider the job done until every lock, system, or installation has been tested and confirmed to perform exactly as expected.
Walk away knowing your home or business is protected by professionally installed security — backed by decades of trusted Front Range service.
Call either of our locations today for a free estimate. No pressure, no obligation — just honest expertise from Colorado's most trusted locksmith team.