We are open and providing service as normal, however we encourage you to call before visiting our showroom. click to learn more (610) 644-5334

How can I select the best locksmith?

First, verify that the locksmith’s physical address and search for complaints or reviews online. Good resources for customer reviews include Yelp and Angie's List. Then, if the locksmith shows up in a car or an unmarked van, check with the BBB and ask them for their Pennsylvania Contractor Number or their ALOA (Associated Locksmiths of America) number. Finally, always request a quote. Since 1973, Great Valley Lockshop has served Chester County Pennsylvania with security services. Read more about how to choose the right locksmith.

Do I have to rekey my locks after a key breaks off in it?

Nope! Your lock should continue working just fine if the key is extracted by a professional. Read more about our Great Valley Lockshop’s emergency mobile locksmith services.

Can you unlock a pinball machine?

If you have lost your keys to your pinball machine or arcade game, have a lock that is not turning correctly or simply cannot get it open, we can help.

How do you choose a good residential door lock?

General recommendations for choosing reliable residential grade locks: select deadbolt locks with at least a 1-inch bolt, and hardware which can be secured with 3-inch screws driven into wall studs. Great Valley Lockshop can install locks and other products purchased from other hardware suppliers or stores. Though, many homeowners prefer to purchase locks from GV Lock because we carry a wide selection of high-quality locks from several manufacturers which you won't find in local hardware stores. Stop by our showroom to check out our lock displays and consult with an experienced locksmith. Read more about popular residential locksets.

Can you open a locked filing cabinet?

Yes, we have a few strategies for unlocking a filing cabinet without damaging it. With our broad-radius mobile locksmith services, we can unlock the cabinet on site.

Can you open a locked gun safe?

Yes, but it depends on a few factors, including the availability of the combination and reason that the safe is not opening. When you contact a locksmith, you should be able to provide the model number, serial number and manufacturer of the safe.

Do you supply doors, door frames and locks?

Yes, we supply lock and entry hardware. Plus, we install what we sell. For, new construction projects Great Valley Lockshop can supply doors and hardware to general contractors and install them. Read more about our commercial doors and installation services.

Do you provide locksmith services for small and large businesses?

Great Valley Lockshop handles commercial locksmithing for commercial businesses of all sizes. There’s no job our team can’t handle. Read more about our commercial locksmith services.

Do I need to change my locks or just have my existing locks rekeyed?

Changing a lock requires replacing the whole lock, knob or handle, and hardware. When a lock is rekeyed, we change the existing cylinder and leave the rest. Your old key will no longer work and we’ll supply a new one. Read more about Great Valley Lockshop’s commercial rekeying service.

Let’s Get You A Free Estimate

Discover what thousands of our customers already know: When you hire Great Valley Lockshop you can expect us to be prompt, passionate and genuinely enthusiastic about your project!


We are serious about privacy. We will never share your information with third parties. Please read our Privacy Policy for more information.

Great Valley Lockshop