Los Angeles County Building Department

Lancaster, California · Building Department

Editor's note — what to know before you go

The Los Angeles County Building Department in Lancaster processes permits and provides services related to construction and building safety. Appointments are recommended to ensure timely assistance with permit applications, plan checks, and inspections. Please be prepared with all necessary documentation to facilitate a smooth process.

Appointment typically required

Bring with you

  • Proof of identity
  • Permit application
  • Relevant plans
  • Contractor information

Tips

  • Schedule an appointment in advance.
  • Bring all required documentation.
  • Allow ample time for your visit.

Always verify hours, requirements, and fees on the office's official website before visiting.

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Office Information

Address
335 East Avenue I, Lancaster, CA 93535