County Clerk - McKinney
Collin County Administration Building
2300 Bloomdale Rd., Suite 2106
McKinney, TX 75071
972-424-1460 ext. 4185 (Metro)
Hours: 8:00 a.m. - 4:00 p.m., Monday - Friday
Directions to County Clerk's Office
Welcome to the Collin County Clerk's Marks, Brands and Tattoos Online!
The time has come to renew your livestock marks and brands!
The renewal period for all livestock marks, brands and tattoos is August 31, 2021 through February 28, 2022.
Texas Agricultural Code 144.
If you currently have a mark, brand or tattoo registered with the Collin County Clerk, you will receive a letter that contains a brand registration key that is unique to you and your brand.
Beginning Tuesday, August 31, 2021, you can renew your marks, brands and tattoos by going to the online application and entering the key you received in your letter. Renewals can be submitted using your computer, tablet or smart phone. Once your renewal has been reviewed and approved by the County Clerk, you will receive your confirmation and certificate. Your renewed registration will be valid for a period of 10 years.
You may also renew your marks/brands/tattoos in person by coming to our McKinney office located in the Jack Hatchell Administration Building, 2300 Bloomdale Road, Suite 2106, McKinney Texas 75071.
Important Note: Any marks/brands/tattoos that are currently registered must be renewed between the period of August 31, 2021 and February 28, 2022 regardless of when you last registered.
Any marks/brands/tattoos not renewed during this period will be considered unclaimed and available for another person to register.
If you have any questions regarding the renewal period and/or the online application, please contact us at 972-548-4185 or by emailing
To register a new mark/brand/tattoo, complete the online applcation. After you submit your registration you will receive a confirmation email which will consist of the information you entered in the application.
Then visit us in our McKinney office located at 2300 Bloomdale Road, Suite 2106. Bring your confirmation email and your valid government issued photo ID. The clerk will verify your mark/brand/tattoo and collect the fee.
If you prefer to register in person, please visit our McKinney location. We have public access computers and highly trained staff to assist you with your registration.
For more information about our online registration process call us at 972-548-4185 or email us at
Links & Resources
Registration/Brand Book Application