Keister’s Security is your dedicated mobile locksmith. We specialize in Keys, Locks, Safes, Access Control and much more. We serve the middle susquehanna valley including all of Snyder, Union, Northumberland, and surrounding counties. Our goal at Keister’s Security Service to provide you with outstanding services and products for your security needs.

Call (570) 837-1773

PA Home Improvement Contractor

Reg #PA004708

We serve all of Snyder, Union, Northumberland and surrounding counties. We are your Local Mobile Locksmith.



Below is a list of services we offer…

Repairs / Installation – We repair & install most types of locks and security systems for residential and commercial properties.

Rekey Locks – We rekey almost every type of lock.

Automotive – We replace keyless entry remotes for vehicles, re-program them into the vehicle if needed, and also carry the necessary batteries for the keyless vehicle entry remote.

Foreign & Domestic Auto’s – We sell, repair and service most locks for foreign and domestic automobiles.

Keys – We sell, repair, and make keys for most types of house, auto, motorcycle, RV, etc.

Safes / Vaults – We sell most brand name safes.

"Serving the Central Susquehanna Valley including Snyder, Union, Northumberland and surrounding counties."


Below is a list of products we offer…

  • U.S. Lock
  • Adams Rite
  • American
  • Arrow
  • Master
  • Medico
  • Schlage
  • Simplex
  • Security
  • Vaults