Locksmiths and security installers in St Charles, MO
8 verified locksmiths and security installers serving St Charles and the surrounding area. Lockouts, rekeying, key cutting, smart locks and alarm systems. Free and no obligation.
Arch City Locksmith
Arch City Locksmith provides expert locksmith services. They serve homes, businesses, and cars. Their service area includes St. Charles, MO, and nearby places like Wentzville, St. Peters, and Maryland Heights. We focus on lock installation, rekeying, smart lock upgrades, high-security locks, and commercial access control. We also provide push bar hardware, safe unlocking, and car key replacement. If you are locked out of your home, we can help. If you need a master key system for your business, we can assist with that too. We also offer ignition repair and key fob programming for your car. Our licensed locksmith team is ready to help you. We provide reliable solutions with quality work and local knowledge.
View profileSaint Charles Lock and Key
Residential, Automotive and Commercial Locksmith. Keys, Transponder Keys, Programming, Rekey, Lockout Service, Repair and Installation. On-Site and Emergency Services Available.
View profileLock Jocks Locksmith
Locksmith Service for emergency lockout, residential and commercial rekeying, installations and repair.
View profileLocksmiths & Security in St Charles, MO: a homeowner's guide
Common locksmiths & security jobs in St Charles, MO
- Lockouts and rekeying
- Lock installation and upgrades
- Smart locks and keyless entry
- Safes
- Security systems and cameras
What affects the cost
- Emergency or after-hours call-out
- Number of locks to rekey or replace
- Hardware grade and brand
- Smart-lock or access-control setup
- Travel distance
How to hire the right pro
- Ask for a firm price before they arrive
- Check whether your state requires a locksmith license
- Ask for ID and a marked vehicle on arrival
- Prefer rekeying over replacing when hardware is fine

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All locksmiths and security installers in St Charles
ASAP Lock & Key
ASAP Lock & Key offers fast, reliable locksmith services in St. Charles, MO and nearby areas. We handle residential, commercial, and automotive lock needs, including emergency lockouts. Our skilled team uses the best tools to solve any lock issue quickly. Whether you're locked out of your home, car, or need to upgrade your business security, we're here to help 24/7. With years of experience, we pride ourselves on quick response times, fair pricing, and top-quality work. From simple key replacements to advanced security systems, ASAP Lock & Key is your trusted partner for all lock and key solutions in St. Charles and surrounding communities.
View profileRocket Locksmith St Charles
Rocket Locksmith St. Charles is your trusted local choice for professional security. Founded by two brothers dedicated to serving our community, we’ve grown into a top-rated locksmith in St. Charles, MO. We specialize in emergency car key replacement, ignition repair, and key fob programming for all makes and models. Whether you need a home lockout service, a business rekey, or garage door repair, our expert technicians provide 24/7 rapid response. We proudly serve St. Charles, St. Louis, and Kansas City with transparent pricing and elite craftsmanship. From master key systems to broken key extractions, we do it all. Trust the local pros to get you back in safely. Call Rocket Locksmith today!
View profileMaster Locksmith of St. Charles
We are well-trained, qualified, and insured locksmith experts in St. Charles, Missouri, who specialize in everything related to locks, keys, and security. We strive to give our customers the best experience possible, and we have worked hard over the years to achieve a great reputation for being professional and friendly. We never miss the chance to help a customer in need and we are always on call! So we will always be available for you. Emergency or not, we are here to assist anyone in need of a locksmith, and we guarantee the best service. We are open 24 hours and serve all of St. Charles County, Missouri. Locked out of your home or business? Call us right away!
View profilePro-Tech Locksmith
We are very proud of having been in the locksmith business since 2009. Years of locksmith experience and training in their field are two of the main components that set us apart. At Pro Tech Locksmith Services we are committed to providing our customers with fast, professional services at competitive rates. We offer a complete range of services including lock repairs ,locks change ,commercial locks ,residential locks ,car lockout services, house lockout services ,rekey locks, door installations, key-less entry locks ,car key made ,key fob and many more. We invite you to contact us anytime with questions or concerns about us and the locksmith services we provide.
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Hiring locksmiths and security installers in St Charles
Every business on this page is a published profile in St Charles, Missouri, with its own services, ratings and contact details. Reach out to two or three, compare what's included, and hire directly — we never take a commission on your project.
Want a wider radius? See all locksmiths and security installers in Missouri or open the map search.
Frequently asked questions
How much does locksmiths & security work cost in St Charles, MO?
Prices vary by project size, materials and access. The best way to get an accurate number is to compare a few free quotes from verified local pros — most homeowners gather 2–3 before deciding.
Are these contractors verified?
Verified contractors have claimed their profile and confirmed their business email or phone number.
Does it cost anything to contact a contractor?
No. Browsing profiles and reaching out is completely free with no obligation. You only pay the contractor you choose to hire.
How do I choose the right pro in St Charles, MO?
Compare ratings and review counts, check that the services listed match your project, and ask each pro about timelines, warranties and who handles permits.
