Application Packets

Single Family Residence and Commercial Building

Here are all of the forms you will need to submit to permit a Single Family Residence (SFR) and Commercial Building.

  1. Building Permit Checklist (PDF)
  2. Permit Application (PDF)
  3. Supplemental Application - Building (PDF)
  4. Determination of Adequate Potable Water (PDF)
  5. Site Plan Checklist (PDF)
  6. Sample Site Plan (PDF)
  7. Example - Floor Plan (PDF)
  8. Stormwater Calculation Worksheet (PDF)
  9. Flow Chart for Determining Requirements for New Development
  10. Stormwater Options & Guidance
  11. Prescriptive Worksheet & Energy Credits (PDF)
  12. New Address Application (PDF)

Stormwater Application Packet

If this is your first time submitting for a Stormwater application, please review the documents found HERE and then scrolling down to the Stormwater Management section. Below is a condensed version of the documents needed to submit a Stormwater permit for those that do not need to review any of the supporting documents:

  1. Permit Application (PDF)
  2. Stormwater Calculation Worksheet (PDF)
  3. Stormwater Mgmt Information and Permit Application (PDF)
  4. Stormwater Site Plan Template

Fire Alarm Application Packet

Jefferson County does not have a Fire Alarm Permit form. Instead, we utilize the Building Permit Application. When submitting for a fire alarm permit, include the documents listed below in a addition to the following: Site Plan, Floor Plan, & Building Plan. All plans should be submitted according to the Building Permit Checklist. On the Permit Application, make sure to include "Fire alarm installation" in the "Description of Work." Make sure to include the Estimated Cost of Project on the Supplemental Application. Finally, make sure to apply to L&I (

  1. Building Permit Checklist (PDF)
  2. Permit Application (PDF)
  3. Supplemental Application - Building (PDF)