Development Services

Appointed Official

Clarence Daugherty​

Development Services Division Manager
Misty Brown, RS

Collin County Engineering Department
4690 Community Ave., Suite 200
McKinney, TX 75071
972-548-5585 (McKinney)
972-548-5555 (Fax)

Hours: 7:30 a.m. - 4:00 p.m., Monday - Friday

Our Mission

Dedicated to protecting and preserving the health and safety of our citizens and our environment.

Links & Resources

OSSF Permits and OSSF Related Information
Residential Development Permits and Related Information
Commercial/Non-Residential Construction Permits and Related Information
Culvert Permits
Pool Construction Permits
Fireworks Stand Permits
Food Service / Health Permits and Related Information
Permit Fees
Code Enforcement and Related Information
Metro (Tornado) Safe Room Rebate Program

On-Site Sewage Facilities Rules and Regulations (CO# 2008-187-03-11)
Subdivision Plat OSSF Review Application