If you are planning to obtain a construction permit in Los Angeles County, it's important to understand the permit processing procedure. The County of Los Angeles Department of Public Works Building and Safety Division is responsible for processing and issuing building permits for unincorporated areas of Los Angeles County.

The permit processing procedure in Los Angeles County typically involves the following steps:

1. Project Evaluation: This involves a preliminary review of the project plans and specifications to ensure that they meet all applicable codes and regulations.
2. Plan Check: Once the project is evaluated, the plans and specifications are submitted for plan check. This involves a detailed review of the plans and specifications to ensure that they meet all applicable codes and regulations. The plan check process can take several weeks or months, depending on the complexity of the project and the workload of the plan checkers.
3. Permit Issuance: Once the plans and specifications are approved, a building permit is issued. This permit allows for the construction of the project to begin.
4. Inspections: During the construction process, various inspections are required to ensure that the work is being done in compliance with the approved plans and specifications. Inspections may include foundation inspections, framing inspections, electrical inspections, and final inspections.
5. Final Approval: Once all inspections are complete and the work is done in compliance with the approved plans and specifications, final approval is granted, and the permit is closed.

The permit processing procedure in Los Angeles County can be complex and time-consuming, especially for larger and more complex projects. It's important to work with an experienced permit expediter who can help navigate the process and ensure that all necessary permits and approvals are obtained in a timely and efficient manner.