Septic System and Use Permits

A Use Permit is required for:

• A sale or change of ownership of a property
• A change in use of the property (i.e., a residence to a business)
• Any addition of bedrooms
• An addition of a separate "modular" home
• Other reasons deemed necessary by the department

To obtain a permit, the following is required:

• Application for a Septic Use Permit
• Use Permit Inspection Form
• Use Permit Deficiency Repair Verification Form (if applicable)
• Agreement to Forego Expansion (if applicable)
• Agreement to Repair a Septic (if applicable)

Use Permit inspections must be conducted by a Certified NAWT inspector. View a List of Certified Inspectors.

Permit applications may be sent to our Commerce City Office, 7190 Colorado Blvd. (S. Platte Crossing Building) or via email.

• Fees
• OWTS Use Permit FAQs - English/Spanish
• Guide to Use Permit Inspection Form