Recreational trail adjacent to Thornton homes with a view of the mountains

​Long Range Planning​​

Thornton is a fast growing city — one that will continue to expand northward in the decades to come. With this growth comes the responsibility for careful planning. Thornton's Long Range Planning Division, in concert with the City Council and citizens of Thornton, oversees this long range planning. Prior to 2023, this division was known as the Policy Planning Division.

Current Projects - 2024

1. Thornton Historic Preservation Plan

Long Range Planning is currently working on a citywide Historic Preservation Plan. Please check the Historic Preservation Plan page for updates.

2. Development Code Major Update

The City is updating Chapter 18 of the City Code which regulates all new land development in the city.  Please check the Major Development Code Update website for information and updates. 

About the Long Range Planning Division 

Thornton's Long Range Planning Division works on issues to ensure that growth meets the needs and vision of the community. Specifically, Long Range Planning is involved in the following:

  • Amending, updating and implementing the Thornton Comprehensive Plan and associated plans to ensure the well-planned growth of the city. Long Range Planning evaluates development plans for consistency with the City’s Comprehensive Plan and associated Master Plans and Area Plans.

  • Preparing special studies and long range planning documents including Master Plans and Subarea Plans for the City of Thornton, such as Station Area Master Plans, the Eastlake Subarea Plan, and the North Washington Subarea Plan.

  • Providing a resource for historic preservation in Thornton, the Historic Recognition Ordinance, as well as coordinating the development of a Historic Preservation Plan.

  • Providing analysis on regional and intergovernmental issues, and new legislation. Long Range Planning represents the City on a variety of committees dealing with these matters.

  • Developing and maintaining an extensive statistical database for the city including analyzing census data, inventorying the existing building stock, tracking new development, developing population estimates and identifying growth trends.

  • Implementing a number of measures to increase the efficiency of its facilities and systems through Thornton Sustainability (