​​​​​​​​Zoning identifies uses that are allowed on a particular parcel in the City. Zoning maps are available for viewing on our web page. Hardcopy maps can be purchased at the City Development Department (located at the northwest entrance of the City Development Building, 9500 Civic Center Dr., Thornton, CO). 

City of Thornton Zoning Districts, Uses and Regulations

The information provided below is intended to be used as a guide for general zoning inquiries. Please refer to the current Development Code, Article III for the most up to date information.