Plan Review Procedures

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Department of Environmental Services
Director: Peter Lyons

Location: 2929 Tapo Canyon Road
Simi Valley, CA 93063
(805) 583-6723

Building & Safety Division - Plan Review Procedures

The City strives to assist the public in understanding the plan review process by outlining the timelines for different projects and offering some guidelines to assist in the types of information that is needed to conduct a plan review.  The extent of the review required to issue permits for a project depends upon the use or occupancy type of the structure, its location, and the impact of its construction on the environment.

The goal of the Building and Safety Division is to complete all plan reviews within 10 to 15 working days for initial reviews, and 8 to 10 working days for re-submittals.  Small residential additions and minor interior improvements of commercial space may be reviewed and permits issued in one visit (over-the-counter plan review).  However, this depends on the current daily workload of the Plans Examiners.

Seismic and Wind Design Requirements

Architects' and engineers' most common questions are related to the basic requirements for seismic and wind design.  The City of Simi Valley is located within seismic design category D or E, and the basic wind speed is 85 M.P.H. with a design exposure category of B.  If you have any questions regarding these requirements, please call a Plans Examiner at (805) 583-6723.

Minimum Requirements for Submittal of Plans

All new construction projects, additions, remodels, and tenant improvements are required to submit three complete sets of plans for review.  Plan submittal requirements are organized into three categories:

  • New Homes and Room Additions,
  • New Commercial / Industrial, and
  • Tenant Improvements. 

The plan review guidelines are provided to assist you with a basic understanding of the types of plans and drawings that are needed for the Plans Examiner to conduct a plan review.

Drawing Submittal Requirements for New Homes and Room Additions

  • Plot Plan 
  • Foundation Plan 
  • Floor Plan 
  • Roof Plan 
  • Exterior Elevations 
  • Required Details 
  • Finish Materials 
  • Engineering (Structural) Plans and Calculations 
  • State Energy Conservation Information 
  • Other Requirements

Drawing Submittal Requirements for New Commercial/Industrial Plans

  • Plot Plan 
  • Foundation Plan 
  • Floor Plan 
  • Roof Plan 
  • Exterior Elevations 
  • Required Details 
  • Finish Materials 
  • Engineering (Structural) Plans and Calculations 
  • Plumbing and Mechanical Plans 
  • Electrical Plans 
  • State Energy Conservation Information 
  • Other Requirements

Drawing Submittal Requirements for Tenant Improvement Plans

  • Plot Plan 
  • Floor Plan 
  • Wall Section 
  • Plumbing Plan 
  • Mechanical Plan 
  • Electrical Plan 
  • State Energy Conservation Information

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