​Holiday Closing: all county offices are closed Monday, May 30, for the Memorial Day holiday, and will re-open Tuesday, May 31. This includes parks offices, public works, courts and all other administrative offices.

Alarm Permits

The Collin County Sheriff's Office requires that homeowners who have a monitored residential alarm system obtain a permit for that alarm system. The alarm permit is required for all residences where the Collin County Sheriff's Office is the primary law enforcement provider. Only monitored alarm systems are included in the Collin County Alarm Permit Ordinance.

If your city has a Police Department, you must obtain a permit from your local agency (If required).

The fees for the alarm permit are stated on the permit form. Permits must be renewed annually. A notice of renewal will be sent to each permit holder prior to the permit expiration date. Once a permit is obtained, please notify the Collin County Sheriff's Office should you move, disconnect, stop using the alarm, or stop monitoring the alarm system. Copies of the permit and instruction forms are available below.

General Information and Alarm Application:


Collin County Sheriff's Office
4300 Community Ave.
McKinney, TX 75071

Map to Justice Center


Main: 972-547-5100
Jail: 972-547-5200

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