Car Key Duplication in Sussex County, DE

Want a spare key before you need one? Our car key duplication service in Sussex County, Delaware provides professional mobile key cutting for standard car keys, transponder keys, and select key fobs — duplicated and tested on-site so you always have a reliable backup ready.

Other Automotive Locksmith Services
Subscribe Newsletter

Receive helpful security tips, service updates, and exclusive locksmith offers—delivered directly to your inbox.

Car Key Duplication

Our car key duplication locksmith team serves Sussex County, Delaware with professional mobile service for all key types. Whether you need an extra key for a family member, additional drivers, or simply peace of mind knowing a spare is available, our technicians arrive equipped to duplicate and test keys on-site whenever possible — without the delay or cost of a dealership visit.

From everyday vehicles to newer models with advanced security systems, we ensure every duplicated key works smoothly before completing service. For transponder keys and smart key systems, duplication also requires programming — which our technicians handle using the same tools and expertise as a full key fob programming service. And if you no longer have a working key to duplicate from — whether it was lost or broken — our car key replacement service creates a new key from scratch. We also provide practical guidance on maintaining spare keys and protecting your vehicle’s access long term.

Promotion

Discount up to 35% for first car key duplication service !

Save on your first car key duplication service in Sussex County with our new customer discount—professional automotive locksmith solutions at competitive rates.

Why Choose Us

Trusted Car Key Duplication Locksmith in Sussex County

When you need an extra car key, Lock and Key delivers dependable mobile locksmith service with experienced technicians focused on precision, convenience, and reliable results. We serve drivers across Georgetown, Lewes, Milford, Rehoboth Beach, Seaford, and throughout Sussex County, Delaware — arriving on-site with the right tools to duplicate and program your key accurately the first time.

Reliable Locksmith

A Spare Key Is the Best Prevention — Here's the Full Picture

A duplicated spare key is the single most effective way to avoid a car lockout — but it’s not the only layer of automotive security worth having. If your spare key also needs remote entry functions, key fob programming ensures your duplicate fob is synced and working correctly alongside the new key. If a spare key gets lost or given to someone who no longer needs access, ignition repair and reprogramming can ensure that key no longer starts the vehicle. And if you’re ever still caught without access despite the spare, our car unlock service is available fast. Our automotive locksmith team handles every layer — from duplication to full vehicle security — in a single visit.

Happy Customer
0 K+

Testimonials

What Clients Say About Lock & Key Locksmith

We proudly serve drivers, homeowners, and businesses across Sussex County — including Dagsboro, Selbyville, Bridgeville, Millsboro, and beyond. Our clients value our accurate cutting, reliable programming, and practical advice on every duplication visit. Contact us anytime you need car key duplication in Sussex County.

Appointment

24-Hour Car Key Duplication Service

Need assistance anytime? Our 24/7 mobile locksmith service in Sussex County, Delaware is available day and night to provide spare or replacement keys. If you’ve just experienced a car lockout and want a duplicate made immediately after to prevent it happening again, our emergency locksmith team can handle the lockout and the duplication in a single visit — just call and we’ll be on the way.

(302) 271-0155

lockandkeylocksmithoffice@gmail.com