4.8 
73 *The Angi rating for Locksmith Service companies in Dupo, IL 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 Dupo, IL 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 June 20, 2026
Serving Dupo, IL and surrounding areas
Approved
In business since 2000
Warranties offered
Small jobs welcome
"Robb was on time & very courteous & professional. He performed the work & made sure I was satisfied with the finished product. He is very efficient and would recommend him for further jobs."
+5
Serving Dupo, IL and surrounding areas
Approved (Corporate)
In business since 2010
Free estimates
Emergency services offered
"AWESOME buying experience and setup experience! I just bought a house and wanted to make sure I was protected. They even helped me find a fantastic locksmith who gave a me great deal. Can't recommend highly enough. He gave excellent advice and saved me money in the long run with their current promo. Look no further for the best security company!"
+1
Serving Dupo, IL and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1874
Free estimates
Emergency services offered
"Walter and Glen at Protect Your Home Group with ADT are the best people 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 Dupo, IL and surrounding areas
Approved
Emergency services offered
Reliable, detail-oriented handyman with years of experience providing high-quality residential and commercial repair and maintenance services. I specialize in TV mounting, drywall repair, painting, door and lock repairs, furniture assembly, deck repairs, fixture installation, shelving, caulking, and general home maintenance. I take pride in delivering dependable workmanship, honest communication, and completing every job efficiently and correctly the first time. Whether you need a small repair or a larger project, I'm committed to providing professional service at a fair price and treating your home with respect. Customer satisfaction is always my top priority.
Serving Dupo, IL 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."
Serving Dupo, IL and surrounding areas
In business since 2022
Free estimates
Credit card accepted
"The locksmith was extremely kind and a respectable young man. He communicated thoroughly, provided me with answers to all my questions, and helped me in my home in a quick timely manner! I have already saved the phone number as my go to locksmith in STL!"
Serving Dupo, IL and surrounding areas
In business since 2007
Free estimates
Emergency services offered
"Great service, very friendly and helpful. Happy with the security system.
"
Serving Dupo, IL and surrounding areas
In business since 2002
Free estimates
Emergency services offered
"Except for a few minor details that had to be worked out, they and their install technician were superb! But be sure you understand everything you want before agreeing to contract.
"
Serving Dupo, IL and surrounding areas
In business since 1974
Emergency services offered
Credit card accepted
"They arrived the time they said they would. They focused on the job and wasted no time. They were friendly to us & our pets! They explained each charge & had me work the new locks."
Serving Dupo, IL and surrounding areas
In business since 2007
Credit card accepted
"I needed consultation for this type of work and Security One did not provide it.
"
+16
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