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Home ServicesUpdated 2026

Locksmith in St. Louis, MO

Research local locksmiths in St. Louis, Missouri. Compare LocalPros directory profiles, pricing guidance, and hiring tools before you contact businesses directly.

3 Profiles

In your area

4.6 Avg Rating

696 total reviews

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Cost Guide

See how much locksmith costs in St. Louis

Average rates, common job prices, and money-saving tips

Locksmith Research Profiles in St. Louis

3 profiles found

The profiles below are part of the LocalPros research directory, not a live contractor marketplace. Use them as comparison starting points, then submit your project request if you want LocalPros to generate a recommendation shortlist for your specific service and location.

Gateway Locksmith

4.6(143 reviews)
22+ years

If the job is about hardware upgrades or entry-door security work, Gateway Locksmith is the kind of locksmith homeowners usually compare. The card shows 22 years in business and 143 reviews.

Best fit for

urgent calls
22 years in business
24/7 Emergency Lockout15-Min Response TimeLicensed & Bonded

River City Lock & Key

4.6(115 reviews)
29+ years

River City Lock & Key looks geared toward lockout help and deadbolt replacement, where scheduling and hardware choice can change the price. The profile also mentions smart lock installation and rekeying services.

Best fit for

quote comparison
29 years in business
Smart Lock InstallationRekeying ServicesFree Estimates

Arch City Security Solutions

4.6(438 reviews)
11+ years

The profile for Arch City Security Solutions leans toward deadbolt replacement and smart lock installs and other door-hardware or entry issues. It carries a 4.6-star average across 438 reviews.

Best fit for

fast scheduling
11 years in business
Auto & Home LocksmithSecurity UpgradesSame-Day Service
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Frequently Asked Questions About Locksmiths in St. Louis

What should I ask before hiring a locksmith in St. Louis?

Ask for a written quote before the technician begins, especially on lockouts or after-hours calls where prices can jump quickly. Also ask for a written scope, pricing breakdown, and the credentials or insurance documentation that apply to this trade before work starts.

What usually affects locksmith pricing in St. Louis?

In St. Louis, quotes usually move with lock count, hardware grade, urgency, travel time, and whether doors need adjustment as part of the install.

Do permits or inspections matter for locksmith work in St. Louis?

Locksmith rules vary by state, so ask about licensing, bonding, and what hardware grade is included before work starts.

How much does a locksmith charge?

Standard service calls cost $50-$100 during business hours. House lockout service runs $75-$200, car lockout $75-$150, and lock rekeying $20-$50 per lock. New lock installation costs $75-$200 per lock. Emergency and after-hours service adds 50-100% to standard rates. Smart lock installation costs $150-$400 including hardware.

Should I rekey or replace my locks?

Rekeying ($20-$50 per lock) is cheaper and works well when locks are in good condition but you want different keys (after moving, losing keys, or employee turnover). Replace locks when they're worn, damaged, outdated (no deadbolt), or when upgrading to smart locks. Rekeying all locks to one key (master keying) is also an option.

Are smart locks worth it?

Smart locks offer keyless entry, remote access, temporary codes for guests/contractors, activity logs, and auto-locking. They cost $150-$400 installed. Worth it for rental properties, frequent travelers, families (no lost keys), and Airbnb hosts. Choose locks with backup key options in case of battery failure or tech issues.

About Locksmith Services in St. Louis, Missouri

Locksmith projects in St. Louis usually involve rekeys, lockouts, deadbolt upgrades, smart lock installs, and hardware replacement.

Local quotes usually move with lock count, hardware grade, urgency, travel time, and whether doors need adjustment as part of the install. Locksmith rules vary by state, so ask about licensing, bonding, and what hardware grade is included before work starts.

Hiring note: Ask for a written quote before the technician begins, especially on lockouts or after-hours calls where prices can jump quickly.

Locksmith in St. Louis, MO (2026) | LocalPros | LocalPros