Professional locksmith at work
Boulder & Louisville's Locksmith Since 1984

Security You Can Count On. Expertise You Can Trust.

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.

Since 1984
Family-Owned
Residential & Commercial
Free Estimates
Why Colorado Trusts Kaiser

A Track Record Built Over Four Decades

Serving Colorado Since 1984

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.

100+ Years Combined Expertise

Our technicians collectively bring over a century of hands-on locksmith knowledge — the depth that handles any job with confidence.

Family-Owned & Operated

A family business built on reputation. We stand behind every job with our name, our craftsmanship, and our word.

Free Estimates

Transparent pricing before work begins. No surprise charges, no pressure — just clear answers and honest costs.

Residential & Commercial

Home deadbolts to enterprise access control — we have the expertise and equipment to secure any property at any scale.

10+ Front Range Communities

From Boulder and Louisville to Denver, Longmont, and beyond — local expertise delivered across the entire Front Range.

What We Do

Complete Security
Solutions for Every
Property

From traditional locksmith work to sophisticated electronic access systems — we cover the full spectrum.

Lock Installation, Repair & Re-Keying

From new installations to worn hardware and re-keying, we keep every entry point on your property secure and functioning exactly as it should.

Keyless Entry Systems

Modern keyless solutions for homes, offices, and multi-tenant properties.

Master Key Systems

Designed for administrators — full access with precisely managed individual restrictions.

Restricted Key Systems

Prevent unauthorized duplication — only approved individuals can copy your keys.

Access Control Systems

Customizable systems engineered for businesses of all sizes and layouts.

Deadbolt Installation

The most reliable first line of defense — professionally installed for any door.

Commercial Lock Solutions

Complex commercial systems protecting assets without disrupting daily operations.

Key Copying

Fast, accurate duplicates at our Louisville retail store — walk in, walk out.

Our Edge

The Kaiser Difference

100+ Years of Combined Experience

Every job handled with precision and quiet confidence — regardless of complexity.

Family-Owned & Community-Rooted

Every customer's property treated like our own — with care, accountability, and genuine service.

Residential & Commercial Expertise

Home deadbolts to enterprise access control — the same standard of excellence for every client.

Latest Security Technology

Modern tools and techniques so your security is current, effective, and built to last.

Free Estimates on Every Job

Clear, no-obligation estimates before any work begins — no pressure, no surprises.

Front Range Coverage

Boulder, Louisville, Denver, Longmont, Lafayette, Westminster, Thornton, Broomfield & beyond.

Competitive Pricing

Premium locksmith service without the premium markup — efficient work at fair rates.

Contract Emergency Services

After-hours emergency coverage available on contract for around-the-clock security assurance.

Kaiser Lock & Key Logo
1984 Founded
100+ Yrs Combined Experience
Our Story

Colorado's Trusted
Security Partner
Since 1984

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.

Louisville Store
815 Walnut Street
Louisville, CO 80027
303-666-0739
Boulder Location
Boulder, CO
Mon–Fri 8:30am–5pm
303-449-3880
How It Works

From First Call to
Complete Security

01

Call or Visit

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.

02

Free Estimate

We assess your security requirements and provide a clear, no-obligation estimate before any work begins — transparent costs, zero pressure.

03

Expert Service

An experienced technician handles your job with the latest tools and proven techniques, ensuring precise results the first time.

04

Quality Verification

We don't consider the job done until every lock, system, or installation has been tested and confirmed to perform exactly as expected.

05

Lasting Peace of Mind

Walk away knowing your home or business is protected by professionally installed security — backed by decades of trusted Front Range service.

Common Questions

Frequently Asked
Questions

We serve customers throughout the Colorado Front Range, including Boulder, Louisville, Denver, Longmont, Lafayette, Westminster, Thornton, Northglenn, Niwot, and Broomfield.
After-hours emergency locksmith services are available on a contract basis. Contact us to learn more about establishing an emergency service contract for your property or business.
Re-keying reconfigures the internal pins of your existing lock so that old keys no longer work — it is faster and more cost-effective than full replacement. Replacing locks installs entirely new hardware, which we recommend when locks are worn, damaged, or you want a security upgrade.
Yes. We specialize in commercial security including access control systems, master key systems, restricted key systems, and complex commercial lock installations. We work with businesses of all sizes.
Absolutely. We offer free estimates on all locksmith and security services. Call our Boulder or Louisville location and we will walk you through your options and costs with no obligation.
Our store and service hours are Monday through Friday, 8:30 AM to 5:00 PM. We are closed on Saturdays and Sundays. After-hours emergency service is available on a contract basis.
A master key system allows one designated key to open multiple locks while individual keys only access specific doors. It is ideal for businesses, apartment complexes, and multi-unit properties where managing access across many users is a priority.
Yes. Key copying is available at our Louisville retail store at 815 Walnut Street, Monday through Friday during regular business hours. Bring in your original key and we will have your duplicate ready promptly.
Get Started Today

Ready to Secure
What Matters Most?

Call either of our locations today for a free estimate. No pressure, no obligation — just honest expertise from Colorado's most trusted locksmith team.

Address
815 Walnut Street
Louisville, CO 80027
Hours
Mon–Fri 8:30am–5pm
Sat–Sun Closed
Get Directions
Louisville Retail Store
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