Firearm Serial Number Check Requests (SB 25-205)

In accordance with Colorado Senate Bill 25-205, the Thornton Police Department accepts firearm serial number check requests from Federal Firearms Licensees (FFLs) operating within Thornton city limits.

To submit a request, complete this form and email it to TPD.Public@thorntonco.gov along with a copy of your driver's license and current federal firearms license.