Missouri Courthouse Cell Phone Policy (2026)

Short answer: It depends on the county administrative order: 5 of 5 tracked courthouses in Missouri allow silenced cell phones, while 0 prohibit cell phones for general visitors and traffic court defendants. Updated 2026-11-06

Of the 5 county courthouses we track in Missouri, 5 (100%) allow visitors to bring cell phones inside on silent mode, while 0 (0%) ban cell phones for the general public at the security checkpoint. All phone-ban courthouses here provide lobby lockers. Missouri Circuit Courts vary by circuit: St. Louis County (Clayton) and Jackson County (Kansas City) allow silenced phones, while St. Louis City (Carnahan Courthouse) and several suburban circuits enforce strict rules on camera phones.

County Courthouse	City	Cell phone policy	Phone Lockers	Juror Parking
St. Louis County St. Louis County Courthouse (Clayton)	Clayton	Allowed (silent mode in courtrooms)	No lockers	Free Validated
Jackson County Jackson County Courthouse (Kansas City)	Kansas City	Allowed (silent mode in courtrooms)	No lockers	Free Validated
St. Charles County St. Charles County Courthouse (St. Charles)	St. Charles	Allowed (silent mode in courtrooms)	No lockers	Free Validated
St. Louis City St. Louis City Courthouse (St. Louis)	St. Louis	Allowed (silent mode in courtrooms)	No lockers	Free Validated
Greene County Greene County Courthouse (Springfield)	Springfield	Allowed (silent mode in courtrooms)	No lockers	Free Validated

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Frequently Asked Questions

Can I bring my cell phone to a courthouse in Missouri?

It depends on the county administrative order: 5 of 5 tracked courthouses in Missouri allow silenced cell phones, while 0 prohibit cell phones for general visitors and traffic court defendants.

Are summoned jurors allowed to bring cell phones in Missouri?

In 5 of 5 counties in Missouri, summoned jurors presenting an official Jury Summons are permitted to bring cell phones into the Jury Assembly Room even when general visitors are banned.

How is this courthouse policy data verified?

We verify every county against official Court Administrative Orders (.gov), Jury Commissioner instructions, and Sheriff Court Security directives. Last verified 2026-11-04.