City of Oak Harbor, Whidbey Island, Washington, Whidbey Island's Premier Waterfront Community

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865 SE Barrington Drive
Oak Harbor, WA 98277
Phone: 360-279-4500
Fax: 360-279-4507

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Plan Review

Review Requirements

The Plan Review staff of the Oak Harbor Building Division is responsible for the review of all construction plans submitted for permits.  These plans are reviewed for compliance with the adopted State of Washington Building Codes and City regulations. Our staff is certified by ICC, IAPMO, WABO and other organizations to review plans using the International Building Code, International Residential Code, International Mechanical Code, International Fuel Gas Code, Uniform Plumbing Code and the Washington State Single Family Residential Energy Code. Plan reviews are completed using checklists to ensure the completeness of the review.  For information on review timeframes, see FAQ "How long will it take to get a permit?"

Life Safety Architectural Plan Review

Life Safety Architectural Plan Review ensures that the submitted plans comply with the Code for life safety items, including exiting, occupancy separations and any fire resistive construction requirements.  In addition, the plans are checked for energy conservation, number of required plumbing fixtures and accessibility. These reviews are performed on plans submitted for renovations, remodels, alterations and new construction for both residential and commercial projects.

Structural Plan Review

The purpose of the Structural Review is to ensure that minimum levels of structural public safety are provided.  Structural reviews are performed for both commercial and residential construction, including new construction, renovations and seismic upgrades to existing building.  For minimum design requirements see FAQ "What are the basic design requirements in Oak Harbor?"

Mechanical/Plumbing Plan Review

Mechanical/Plumbing Review is usually required only on medium to large commercial or multi-family projects.  To determine if your project requires Mechanical or Plumbing Plan Review please refer to the Mechanical Permit Application or the Plumbing Permit Application.

Plan Review Submittal Documents

Plans submitted for review need to be final, complete and legible scaled drawings, plus any calculations, specifications and/or other pertinent data. The minimum plan sheet size is 18" x 24" with a minimum scale size of 1/8" = 1 foot for floor plans and 1/4" = 1 foot for details.  Please refer to Permit Applications & Submittals for specific permit submittal requirements.

Additional Plan Review Requirements

Please note that we cannot accept any submittal drawings that are marked "Not For Construction" or "Reversed" or stamped for approval from an early permit or issue date.

Review by the following outside organizations and City of Oak Harbor Departments and Divisions may be required in addition to reviews completed by the Oak Harbor Building Division: 

  • Island County Health District approval is required for all food establishments.
  • Oak Harbor Fire Department approval is required for most commercial or multi-family Building Permits and some Mechanical Permits.  The Oak Harbor Fire Department reviews plans for compliance with the International Fire Code and any fire sprinkler or fire alarm requirements.
  • Oak Harbor Planning Division approval is required for most commercial or multi-family Building Permits and for Single-Family Building Permits. The Planning Division reviews plans for compliance with the provisions of the Oak Harbor Municipal Code, the Oak Harbor Zoning Code and Oak Harbor Design Guidelines Regulations.
  • Oak Harbor Public Works Department must approve different types of permits.  The Department reviews civil and site drawings for issues related to Construction Inspection, Engineering, Transportation, Stormwater and Utilities.  Please contact the Permit Coordinator to determine if Public Works Department review will be required for your project.


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