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​​​​​​​​​Contact the city of Thornton

My Thornton

My Thornton is your mobile connection to the city of Thornton, CO services and allows you to review Thornton news and information, pinpoint the location of an issue using GPS and select to receive automatic status updates and report a concern such as a pothole, graffiti, or streetlight outage with a simple click of a button.

City's Main Line: 303-538-7200

Contact Information for City Services

Active Adult Center

Animal Control

Arts & Culture

Building Inspections

City Attorney's Office

City Clerks Office

City Council

City Development

City Manager's Office

Code Compliance


Economic Development

Trash & Recycling Services


Fire Department/Admin(Non E/R)


Human Resources

Infrastructure Administration

Infrastructure Engineering

Municipal Court

Parks & Open Space

Police/Admin (Non E/R-Not monitored 24/7)

Police/Investigations (Non E/R-Not monitored 24/7)

Police Emergency


Recreation & Facilities

Sales & Use Tax

Street Operations

Support Services

Traffic Engineering

Utilities Billing

Utility Operations


Water Resources

Water Quality

Water Treatment

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