In Clark County, you need permits and follow-up inspections for new residential construction and for most additions and remodeling projects. A permit technician can help you determine your project requirements and related fees.
Fees are established by county ordinance and are calculated automatically by computer during the application process. You will receive a fee estimate during your initial visit to our office and a final cost when you submit your application. Permit fees cover the cost of processing, plan review and inspections.
Adoption of building codes
The 2018 amended Washington Administrative Code (WAC) were adopted on February 1, 2021.
Forms and submittal requirements
See the residential forms page for applications, checklists, handouts, information and worksheets.
Types of permits
Visit the residential permits page where we explain the different types of residential permits.
Erosion control and stormwater
Construction details are provided as a service to help customers understand and apply commonly used code requirements for their projects.
LEAN Review Process
Find out if your New Home Construction application is eligible for LEAN Review Process.
Building a home
- Homebuilder submits application, pays plan review and other fees
- Plans examiner reviews plans
- Permit technicians process application
- Permit technician issues permit
- Work may begin
- Inspector inspects construction at important stages
- Permit technician issues Certificate of Occupancy
- Residential building permit application and submittal checklist - Checklist for building and plot plans and other items needed to submit your application.
- Residential plot plan - Checklist and example for simple plot plan for subdivisions and lots less than one acre, no environmental constraints, and no well/septic. Plot plans are not required for interior remodels.
- Residential construction guide - Worksheet and construction drawings that can be used for additions or one-story free standing structures of 800 square feet or less.
- Residential plan review - Partial list of common code items.
- Sample residential plan - A plan set showing typical requirements.
- Erosion control plan - All land disturbing activities require a signed erosion control agreement before a building permit is issued.
- Fire separation requirements - Requirements for buildings on residential lots.
- Structural design information - Structures not conforming to the prescriptive criteria must meet these specifications.
- Construction details - Typical details provided for common code requirements.
Master Plan Program
Building Safety's Master Plan Program offers production-oriented builders an opportunity to have repetitive models pre-reviewed for more efficient permitting. The final Master Plan is stored as an electronic file to improve access and efficiency.