​​The Fire Marshal's Office conducts in​spections on commercial businesses as well as high hazard operations and fire detection and suppression systems in the unincorporated (rural) areas of Collin County, per International Fire Code 2021. Collin County has adopted the 2021 International Fire Code and local amendments, to review please click here, Collin County IFC 2021 Amendments​ . 

All required information and fees must be submitted with the application online through the Citizen Self-Service online portal​ to be considered complete. The following items are required:

Existing structure/building - no additional square footage

• ETJ Platting Verification Form (if changing occupancy type) - https://apps.collincountytx.gov/Forms/ETJurisdiction-Prod
• Lease agreement or warranty weed​
  
• Building Plan showing dimensions and all spaces, walls and doors (in PDF form)
• Building Complies with the 2021 International Fire and Building Codes​
  
• Site Plan with drawing of building (in PDF form)
• Certificate of Compliance fee of $100
  
​

New structure/building or existing structure with additional square footage

• ETJ Platting Verification Form - https://apps.collincountytx.gov/Forms/ETJurisdiction-Prod
  
• Lease agreement or warranty deed
• Building Plan showing dimensions and all spaces, walls and doors (in PDF form)
• Over 5,000 square feet and/or with a span >24ft. will require engineer stamped plans
  
•  https://pels.texas.gov/downloads/TBPELSDiagrammatic.pdf
  
• Building Plan and Site Plan fees are based on fee schedule adopted by Collin County -
  
• New construction has a $0.20 per square foot fee​
• Building Complies with the 2021 International Fire and Building Codes
  
• Site Plan (in PDF form)
  
• Certificate of Compliance fee of $100​
  

Individual permits 

• Fire Suppression and Fire Alarm - fee based on number of heads/devices
  
• Underground fire main - application fee $100
  
• Standpipe system - application fee $50 per standpipe
  
• Commercial hood system - application fee $75
  
• Temporary Membrane Structures, Tents, Canopies - application fee $100 ​
  
• Security/Privacy gate - application fee $100
• Private Fire Hydrant - application fee $50
  
• Aboveground / Underground storage tanks - application fee $100