Collin County Engineering Department
4690 Community Ave., Suite 200
McKinney, TX 75071

Appointed Official
Clarence Daugherty​-Director of Engineering

Our Mission

The Department of Engineering is committed to plan and implement a superior inter-modal transportation infrastructure by judicious application of human resources and public funds through a coordinated local and regional perspective. A superior transportation infrastructure will provide citizens of Collin County with a better quality of life by alleviating traffic congestion, moving people and goods efficiently and contributing to a stable and competitive economy.

The Department of Engineering is also committed to preserve the quality of life for citizens of Collin County through enforcement of approved subdivision requirements and through administration of federal floodplain regulations.

Documents & Forms

2017 Transportation Bond Presentation to City Officials

Perryman Group Study: Economic Impact of Freeways​

2016 Collin County Future Mobility Commissioners Court Presentation

2003 Bond Program Transportation Report

2007 Bond Program Transportation Report

Tier 1 Project Spreadsheet/Appendix H -- *Part of the 2007 Bond Program Transportation Report

Collin County Storm Water Program

Subdivision Regulations (updated Sept. 28, 2020)

Manufactured Home Rental Community Regulations

Plat Application (updated Sept. 28, 2020)