4.8 
135 *The Angi rating for Locksmith Service companies in Saint John, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Locksmith Service needs.
*The HomeAdvisor rating for Locksmith Service companies in Saint John, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Locksmith Service needs.
Last update on October 27, 2025
Serving Saint John, MO and surrounding areas
Approved
In business since 2020
Emergency services offered
Small jobs welcome
"Came within an hour after they called. The locksmith was very nice"
Serving Saint John, MO and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"I contacted Doorbusters Lock & Key for rekeying several locks at my home, and they were excellent from start to finish. The technician arrived quickly, was professional and polite, and rekeyed everything perfectly. All the locks work smoothly, and the price was fair and exactly as quoted. I really appreciate how efficient and honest they were, definitely a company I’ll call again for any locksmith needs. Highly recommended!"
Serving Saint John, MO and surrounding areas
Approved
In business since 2021
Warranties offered
Small jobs welcome
"Very professional, courteous and efficient. Highly recommend."
Serving Saint John, MO and surrounding areas
Approved (Corporate)
In business since 2010
Free estimates
Emergency services offered
"I called Alarm Protection Group AFTER my office was burglarized. Now I feel SAFE. William is great to work with. He's neat and tidy, prompt, presentable - not a butt-crack type of guy, and he doesn't leave a mess in his wake. He's also knowledgeable about the equipment and only uses high-quality products."
+1
Serving Saint John, MO and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1874
Free estimates
Emergency services offered
"ADT is the best company to talk to in terms of security alarm. Being a locksmith myself I know how important it is to deal with the right people. I referred a lot of customers to them and so far they are happy with their service. I myself got one for my house. Thank you for a consistent service and great deal."
+35
Serving Saint John, MO and surrounding areas
Approved
In business since 2019
Free estimates
Warranties offered
Surface Experts of Central St. Louis is proud to be the go-to company for spot repair, restoration, and refinishing on all types of surfaces in the St. Louis Metro Area. We help both residential and commercial customers bring life back to their spaces by repairing, restoring, or refinishing what would otherwise have to be replaced. We are honored to be the St. Louis area's trusted experts in our field and look forward to continuing to grow and perfect our craft.
+7
Serving Saint John, MO and surrounding areas
Approved
Customers say: True professional
"Excellent work and communication. . Work done very timely manner. Very reasonable cost. Have several other projects hiring him to do. Highly recommend"
Serving Saint John, MO and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
We are a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 10 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
Serving Saint John, MO and surrounding areas
Approved (Corporate)
In business since 2010
Free estimates
Emergency services offered
"Quick response and repair to garage door."
Serving Saint John, MO and surrounding areas
In business since 1979
Credit card accepted
"When I called around for quotes and to make the appointment, AA Key & Lock had clear upfront pricing and answered all of my questions. They had several options to find a convenient time for the service. They were able to rekey front and back door and install deadbolt on basement door for a newly purchased home in about an hour."
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