Appointed Official
Ruben Delgado

Development Services Division Manager
Misty Brown, RS

Collin County Engineering Department
825 N. McDonald St.     map
Suite 170
McKinney, TX 75069

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

OSSF Permits and Information
Development Permits
Commercial Construction Permits
Culvert Permits
Pool Construction Permits
Fireworks Stand Permits
Food Service / Health Permits
Permit Fees
Code Information

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