Harford County · Baltimore Metro · and beyond
Locked out?
We'll get you
back in.
Mobile residential, commercial, and automotive locksmith service — licensed, bonded, and insured, with 15+ years cutting keys and securing doors across Maryland.
15+
Years in Business
#547
MD Locksmith License
24/7
Emergency Dispatch
5.0
Google Rating
What we focus on
Built for business security and vehicle access
Commercial Locksmith
High-security hardware, access control, master key systems, and panic exit devices for offices, warehouses, and storefronts.
- Access control & keypad systems
- Master key & rekey systems
- Panic & exit device installation
Automotive & Car Keys
Mobile key cutting and programming at your location — transponder keys, fobs, and broken key extraction for most makes and models.
- Transponder & fob programming
- Broken key extraction
- Car lockout & duplicate keys
Full range
Every lock, every key, every entry point
Where we work
Harford County, Baltimore Metro, and beyond
We run mobile units throughout the region — give us a call to confirm coverage at your address.
Recent work
See the jobs we've done




Reviews
Rated 5.0 stars on Google
Individual reviews are coming soon. In the meantime, you can read verified reviews directly on our Google Business profile.
Questions
Frequently asked questions
We run mobile units throughout Harford County and the Baltimore Metro area, and often work beyond those areas too — give us a call with your address and we'll confirm coverage.
Yes. S.E.L Locksmith holds Maryland Locksmith License #547 and carries bonding and insurance. You can verify our license through the Maryland DLLR licensing program.
Always confirm a locksmith's license number and get a quote before work begins. The FTC has a helpful guide on spotting unlicensed or bait-and-switch operators.
We handle transponder and fob programming for most makes and models on-site. Call with your vehicle's year, make, and model and we'll confirm what's needed.
Cash, credit or debit card, check, Venmo, and Cash App.
Get started
Request a free quote
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