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Offices Closed for Thanksgiving Holiday: All county offices will be closed on Thursday, Nov. 23, and Friday, Nov. 24, for the holiday. This includes parks offices, public works, courts and all other administrative offices. Offices will re-open Monday, Nov. 27.

Assumed Names

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Stacey Kemp, County Clerk

Elected Official
Stacey Kemp
County Clerk

Collin County Clerk's Office    directions
Collin County Administration Building
2300 Bloomdale Rd., Suite 2106
McKinney, Texas 75071

Email: ctyclerks@collincountytx.gov
Phone: 972-548-4185 (McKinney)
972-424-1460 ext. 4185 (Metro)
Hours: 8:00 a.m. - 4:30 p.m., Monday - Friday
(except for County Approved Holidays) 

NOTICE: Fee Changes Effective January 1, 2014

Per Texas Local Government Code 118.011(a); 118-0216 and 118.025, effective January 1, 2014, fees will increase for Land Recordings and Vital Statistics, including the fees for Assumed Names, Marks and Brands, and Marriage Licenses.

General Information

Texas Business and Commerce Code Title 5 Chapter 71 requires all persons conducting business or providing professional services to file an Assumed Name Certificate in the County in which the person(s) will be conducting their business.  Please use the following guidelines when applying for an Assumed Name in Collin County: 

  • Assumed Names must be filed in the County Clerk’s main office located in the Jack Hatchell Administration Building, 2300 Bloomdale Road, Suite 2106 in McKinney.
  • If you have partners in an unincorporated business, each person must be present to sign the Assumed Name document at the time of filing.
  • Your Assumed Name must be filed with the County Clerk whether or not you are required to file with the Secretary of State. For more information on state requirements please visit the Secretary of State’s Name Filing FAQs.
  • If filing by mail, your application must be notarized.   
  • Assumed Name Certificates are valid for 10 years from date of issue. 
  • You may file more than one Assumed Name.
  • Assumed Name Certificates may have more than one registrant.
  • There is no age requirement for filing an Assumed Name.

Filing fees will vary according to the type of Assumed Name Certificate you are filing.

For information on correct filing fees, please call our McKinney office at 972-548-4185.

If you mail your application and pay by check, you must include a legible copy of your valid, government issued photo ID with your notarized application.

All checks are to be made payable to: Collin County Clerk.

For more information or if you have any questions you may contact us at ctyclerks@collincountytx.gov or by calling 972-548-4185.

Important Note:  Many businesses are required to obtain a sales and tax permit to sell their product. To find out if this requirement applies to your business, please call the State Comptroller at 1-800-252-5555.

Links & Resources

Assumed Name Search
Assumed Name Certificate (for Incorporated Businesses)
Assumed Name Certificate (for Unincorporated Businesses)
Assumed Name Abandonment (Professional or Business Name)
Moving Your Business Out of Collin County
Frequently Asked Questions
Resources & Links
Fee Schedule​​