About A-1 Security & Lock Service, Inc.
Our Story
A-1 Security & Lock Service, Inc. has been serving Quincy, Illinois and the surrounding area for over 40 years with a simple mission: to deliver reliable, 24-hour locksmith services that prioritize honesty, speed, and customer peace of mind. We understand the frustrations of being locked out and security needs in the Tri-State area, we’ve grown into Quincy’s go-to resource for all things locks and keys—all while staying true to our roots as a community-focused business.
From our convenient location at 2408 Cherry St., we’ve served thousands of homes, vehicles, and businesses over the years. Our team of skilled technicians brings years of hands-on experience to every job, ensuring you get professional results without the hassle. We’re proud to be a one-stop shop for anything related to security, and we treat every call like it’s from a neighbor—because it usually is.
Why Families & Businesses Trust A-1
- Local and licensed – Fully bonded and insured, serving Illinois and Missouri with pride
- 24/7 lockout availability – No matter the hour, we’re ready to respond across the Quincy area
- Expert technicians – Background-checked pros trained in the latest tools and techniques
- One-stop convenience – From key cutting to safe servicing, we’ve got it covered
- Customer-first approach – No surprises, and satisfaction guaranteed
What Keeps Us Going
We’ve handled it all—from emergency car lockouts on chilly winter mornings to installing high-security systems for local businesses gearing up for growth. But the stories that stick with us are the everyday wins: reuniting families with their homes after a long day, crafting replacement keys for that classic motorcycle you thought was sidelined, or upgrading a commercial space to keep employees safe and operations smooth.
It’s these moments—and the trust we’ve earned along the way—that fuel our passion for what we do. In a world of quick fixes, we believe in building lasting security, one lock at a time.
Our Promise to You
- We’ll arrive promptly, equipped, and respectful of your space
- Transparent quotes mean no hidden fees or overtime surprises
- Quality parts and workmanship backed by our commitment to get it right
- If it’s not solved to your satisfaction, we’ll do our best to make it right
Proudly Serving Quincy and Beyond
Whether it’s a historic home on the bluff, a bustling shop downtown, or a farmstead in Adams County, we’ve secured it all. From residential rekeying to automotive transponder keys and commercial hardware, A-1 is here for the Tri-State area’s security needs.
When security matters, call the locals who care.
A-1 Security & Lock Service, Inc.
2408 Cherry St, Ste 1
Quincy, IL 62301
(217) 223-4723 – 24 Hours a Day