Locksmith services in Naperville, IL
If you're under the impression that locksmiths are only valuable for addressing broken locks or lost keys, allow us to change your perspective. The realm of locksmith services extends far beyond that. Locksmiths play an indispensable role when your security system fails or the car key fob malfunctions. In any of these situations, a skilled and experienced technician can swiftly and effectively resolve problems, affording you the comfort and ease of knowing that everything is functioning as it should. Furthermore, locksmiths possess up-to-date knowledge of the latest security technologies and their functionalities. This enables them to seamlessly craft comprehensive security systems tailored to your residential or commercial requirements. Not to mention that any licensed locksmith will provide an installation, replacement or repair service of any lock type perfectly without hassle and mess. So, if you are still searching for a trustworthy and expert local locksmith, Sure Lock & Key will be pleased to offer its assistance! We provide a full spectrum of locksmith services in Naperville, IL, including:
- Lock repair, replacement, and installation services, lock rekeying
- All car key cutting and duplication
- Master key systems, broken key extraction
- Mailbox lock rekey / change
- Home, business, and car lockout services
- Deadbolt installation
- Jammed ignition repair
- All car key transponder (re) programming and recoding
- Safe & Vault lockout, combination set up, and change
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A few words about Sure Lock & Key
Sure Lock & Key is an expert locksmith company with more than 35 years of exceptional experience in the Locksmith and Security industries. Our team of dedicated locksmiths addresses a broad spectrum of common locksmith issues from coast to coast, all with a single goal - to ensure the safety and convenience of our customers. Starting as a family business, we are now blessed to be one of the national market leaders with headquarters in Connecticut, Rhode Island, New York, Illinois, Florida, Texas, and Arizona. We firmly believe all our achievements would be impossible without our 3-point work ethic. It is grounded on three main principles that guide our daily work:
24-hour locksmith services in Naperville, IL
At Sure Lock & Key, we prioritize our customers' security and comfort above all else. That's why our services are accessible around the clock, 24/7, to offer our clients the essential assistance they need, whenever they need it. So that if an unfortunate event occurs, such as being locked out of your house or any other situation that compromises yourself and\or your family members you can simply call us. Sure Lock & Key is always ready to provide the necessary help so you never have to feel alone in a difficult situation. We offer a full spectrum of 24-hour services in Naperville, IL, including:
- Lock repair, replacement, and installation
- Car key copy and duplication
- Home and house lockout services
- Home alarm systems
- Emergency car lockout services
- Motorcycle unlock services
- Broken key extraction
- Rekeying services
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Testimonials
We regard customer reviews as the most compelling evidence of a company's professionalism and a priceless wellspring of information. Through these reviews, we can identify areas for improvement, and you can cultivate trust in our expertise. So, we invite you to read what our clients have shared about their experiences with us.

Anastasia Klimenko
I was desperately searching for a great locksmith after I accidentally locked my keys in the car and couldn’t get back in. The SURE LOCK & KEY manager was very understanding and came out in the van to get me back in my car within 15 minutes of me calling… thanks!

Anna Mendoza
Lost my keys and couldn’t find them anywhere… so naturally I needed a replacement set made and SURE LOCK & KEY wee very quick to come and cut me a new replacement set. Jacob the locksmith technician was very nice and couldn’t have been more helpful… thank you.

Paul Stewart
Quality and professionalism are very important to me as a rule, so I look for the best companies to use. I needed our front door handle replaced and so I called this company and they were very prompt in their response. They replaced my door handle quickly and efficiently, and for a very reasonable price. I was most impressed with their service…

Brian Abbott
My Buick ignition was not working properly and I was not happy with the service the local car dealership was offering, so I went to SURE LOCK & KEY, and they were only too happy to help! Jacob the locksmith was terrific, he replaced my ignition system quickly with a new one and everything works perfectly now… wonderful service!

Missy Carson
SURE LOCK & KEY put new locks into our doors and we very impressed at the quality of service and the overall price. This company made everything so easy and we were very happy with the service and the price. Highly recommended.

Sarah Watters
I have used this company multiple times in the past and I never even think of using anyone else. They have always been the most reliable locksmith company I’ve ever encountered, and I’ve never had any problems whatsoever with them… wish all companies cared as much as these guys do!

Neil Boone
Very professional and helpful. The job was completed quickly and the technician left no mess.

Gilberto Mccarthy
Awesome!

Harriet Barnes
I needed emergency help, because my key was stuck in a lock. Tech came within 10 minutes and did a great job!

Curtis Thompson
Tech Loe was nice and gave me great advice. Very good service.

Tasha Owens
Excellent!

Nancy Butler
Will recommend. Could not wish for better service.

Janice Gold
I lost my keys and needed a replacement set of keys made. I called Sure Lock Key and spoke with the manager who was very nice indeed. He sent Chris the locksmith to my home and he cut me a new set in less than 20 minutes. Fantastic service!

Barry Foster
I recommend SURE LOCK & KEY very highly. They repaired the ignition on my car and did a superb job and for a low price. Thank you.

Alan Meeks
This company helped install a new CCTV system on our business premises and I am very happy with the service and price. A very professional company.

Eduardo Espanoza
Thank you SLK for correcting the electronic key to my car. It works perfectly now and I’m very pleased with the service. Muchos gracias.

Tim Woods
I rate this company very highly as they’ve done several jobs for me over the last couple of years and they never disappoint. A company you can rely on.

Annette Whelan
Excellent service and very reasonable prices. Sure Lock & Key are a terrific little company, they installed a new safe in my home recently and I’m very pleased with the result.
About Naperville, IL
Naperville, IL, is a dynamic city located in DuPage and Will Counties and 28 miles west of Chicago. The city embodies the perfect combination of rich history and architectural heritage, as well as urban vitality and modern infrastructure. Naperville was founded in 1831 by Joseph Naper, so it was first known as Naper's Settlement. By 1832 the population of the city was slightly more than 100 residents. However, in the 1960s, after Chicago's urban sprawl, the city's population significantly increased. Due to the 2020 population census, the number of inhabitants was 149,540.
Naperville is known for its top-grade schools, diverse community, and rich landscapes. Residents and guests can enjoy the vibrant city parks and thriving downtown with lots of restaurants, shops or become a visitor to one of many cultural events. All of this makes Naperville one of the leaders on the list of the best places for living in the United States.