Offices Closed for Christmas: All county offices will be closed on Monday, Dec. 24, and Tuesday, Dec. 25, for the holiday. This includes parks offices, public works, courts and all other administrative offices. Offices will re-open Wednesday, Dec. 26.

Economic Development Corporations

The following is a list of Economic Development Corporations that reside within Collin County. If you have any modifications or additions to make to this list, please contact the Public Information Office at publicrelations@collincountytx.gov.