Residential & Commercial Locks

Arnoldo Expert Locksmith – Jack’s Key Service of Upland, CA has been providing locksmith services for 55 years. We work on homes, apartments and many other structures for all their lock and key needs. Whether you are locked out or need to change your locks, we can help your home or business.

Our Residential and Commercial Lock Services Include:

  • Evictions
  • Industrial locks
  • Homes
  • Apartments
  • Property management
  • High security locks
  • REO’s
  • Foreclosures


We can re-key anything, and would love to bring our expertise to you. We have prided ourselves on quality service for generations.


rnc image