For building permit and inspection fees, please contact the Building Inspection division:
Building Inspections | 303-538-7250 | buildings@thorntonco.gov
For landscaping permit and fees, please read the Landscaping Permit Application form.
for water and sewer connection fees, please contact the Utility Billing office:
Utility Billing | 303-538-7370 | developmentfees@thorntonco.gov
Development Fee Checklist
The following list of fees includes most fees that are associated with land development in the City of Thornton. The list is not a comprehensive list of all fees.
Fees include one initial and two subsequent staff reviews of the application and supporting documentation. Subject to the Director’s discretion, each additional review by staff shall be assessed additional review fees equal to twenty-five percent (25%) of the original application fee.
Planning & Zoning Fees
| Item | Amount |
|---|---|
| Annexation | $300 |
| Amendments (PC) | $290 |
| Amendments (Administrative) | $250 |
| Appeals | $90 |
| Architectural review fee for residential units | $100/lot |
| Cash-in-lieu payment for park, open space and trail acreage requirements | Residential: $1.50/square foot Commercial: $3/square foot |
| Comprehensive Plan Amendment | $350 |
| Conceptual Site Plan | $695 |
| Development Permit (original approval) | $580 |
| Development Code Variance | $115 |
| Development Code Text Amendment | $580 |
| Inactivity Fee (applications that have not made a resubmittal within 180 days of the previous staff comment letter) | 100% of initial application fee |
| Metropolitan District Service Plan Application Fee | $6,500 (potential additional fees) |
| Metropolitan District Material Modification of Service Plan Application Fee | $4,000 (potential additional fees) |
| Minor Development Permit | $100 |
| Oil and Gas Permit | $695.00 plus $15.00 per acre |
| Residential Development Allocation | $75/lot |
| Specific Use Permit (also requires a Development Permit) | $115 |
| Temporary Use Permit | $90 |
| Vacation of ROW | $250 |
| Zoning Amendment | $695 |
| Zoning to Planned Development District | $695 plus $15/acre |
| Zoning to Preservation/Revitalization District Plant | $290 |
| Zoning Verification Letter | $45 |