Offices Closed for Memorial Day: All county offices will be closed on Monday, May 28, for the holiday. This includes parks offices, public works, courts and all other administrative offices. Offices will re-open Tuesday, May 29.

9-1-1 Brief History

1985 Commission on State Emergency Communications (CSEC) was established
1987 House Bill 9-1-1 - Statewide 9-1-1 implementation structure was established (CSEC) Requiring Counties with Population > 120,000 to implement a 9-1-1 system Requiring Council of Governments (COGs) to develop regional plans
1989 House Bill 2807 Authorizing Commissioners’ Court to adopt uniform standards for 9-1-1 addressing
1989 9-1-1 Collin County Task Force established
1989 Collin County 9-1-1 Plan added to regional plan
1991 Addressing firm hired (Addressing Concept - RFP)
1991 9-1-1 Cut-Over ceremony – 9-1-1 available in Collin County
1992 GIS Department established (Information Services)
1993 Road Name Policy (CO# 93-808-07-12)
1995 Rural addressing becomes the responsibility of GIS
2002 Collin County Addressing Policy (CO# 2002-247-04-08)​