Appointed Official
Ruben Delgado

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.

Code Information
New Residential Permits
Commercial Construction Permits
Manufactured Home Permits
Culvert Permit Application
Remodel/Addition Permits
Pool Construction Permits
Fireworks Stand Permits
Food Service Permits
Permit Fees

On-Site Sewage Facilities
On-Site Sewage Facilities Rules and Regulations (CO# 2001-297-05-14)
Subdivision Plat OSSF Review Application