Offices Closed for Martin Luther King Day: All county offices will be closed on Monday, Jan. 18, for the holiday. This includes parks offices, public works, courts and all other administrative offices. Offices will re-open Tuesday, Jan. 19. 

Directory of Services

Collin County provides a thorough list of government departments, services and common terms alphabetized below for your convenience.

For a list of departments only, please view the Directory of Departments.

If you need help finding a item not listed, please call 972.548.4100 (McKinney) or 972.424.1460 (Metro).

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