Maryland Courthouses That Ban Cell Phones (2026)

Short answer: It depends on the county administrative order: 10 of 10 tracked courthouses in Maryland allow silenced cell phones, while 0 prohibit cell phones for general visitors and traffic court defendants. Updated 2026-11-04

Of the 10 county courthouses we track in Maryland, 10 (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. Under Maryland Rule 16-208, cell phones are permitted in Maryland Circuit and District Courthouses unless a local administrative judge restricts a high-security facility (such as Baltimore City Mitchell Courthouse annexes), where phone rules and lockers apply.

County Courthouse	City	Cell phones banned	Phone Lockers	Juror Parking
Montgomery County Montgomery County Courthouse (Rockville) “Montgomery County Courthouse (Rockville) Maryland Rule 16-208 Notice: "Visitors and jurors may possess electronic devices inside the courthouse. Devices must remain off or silent inside courtrooms and may never be used to record proceedings."”	Rockville	Phones allowed on silent	No lockers	Free Validated
Prince Georges County Prince Georges County Courthouse (Upper Marlboro) “Prince Georges County Courthouse (Upper Marlboro) Maryland Rule 16-208 Notice: "Visitors and jurors may possess electronic devices inside the courthouse. Devices must remain off or silent inside courtrooms and may never be used to record proceedings."”	Upper Marlboro	Phones allowed on silent	No lockers	Free Validated
Baltimore County Baltimore County Courthouse (Towson) “Baltimore County Courthouse (Towson) Maryland Rule 16-208 Notice: "Visitors and jurors may possess electronic devices inside the courthouse. Devices must remain off or silent inside courtrooms and may never be used to record proceedings."”	Towson	Phones allowed on silent	No lockers	Free Validated
Anne Arundel County Anne Arundel County Courthouse (Annapolis) “Anne Arundel County Courthouse (Annapolis) Maryland Rule 16-208 Notice: "Visitors and jurors may possess electronic devices inside the courthouse. Devices must remain off or silent inside courtrooms and may never be used to record proceedings."”	Annapolis	Phones allowed on silent	No lockers	Free Validated
Baltimore City Baltimore City Courthouse (Baltimore) “Baltimore City Courthouse (Baltimore) Maryland Rule 16-208 Notice: "Visitors and jurors may possess electronic devices inside the courthouse. Devices must remain off or silent inside courtrooms and may never be used to record proceedings."”	Baltimore	Phones allowed on silent	No lockers	Free Validated
Howard County Howard County Courthouse (Ellicott City) “Howard County Courthouse (Ellicott City) Maryland Rule 16-208 Notice: "Visitors and jurors may possess electronic devices inside the courthouse. Devices must remain off or silent inside courtrooms and may never be used to record proceedings."”	Ellicott City	Phones allowed on silent	No lockers	Free Validated
Frederick County Frederick County Courthouse (Frederick) “Frederick County Courthouse (Frederick) Maryland Rule 16-208 Notice: "Visitors and jurors may possess electronic devices inside the courthouse. Devices must remain off or silent inside courtrooms and may never be used to record proceedings."”	Frederick	Phones allowed on silent	No lockers	Free Validated
Harford County Harford County Courthouse (Bel Air) “Harford County Courthouse (Bel Air) Maryland Rule 16-208 Notice: "Visitors and jurors may possess electronic devices inside the courthouse. Devices must remain off or silent inside courtrooms and may never be used to record proceedings."”	Bel Air	Phones allowed on silent	No lockers	Free Validated
Carroll County Carroll County Courthouse (Westminster) “Carroll County Courthouse (Westminster) Maryland Rule 16-208 Notice: "Visitors and jurors may possess electronic devices inside the courthouse. Devices must remain off or silent inside courtrooms and may never be used to record proceedings."”	Westminster	Phones allowed on silent	No lockers	Free Validated
Charles County Charles County Courthouse (La Plata) “Charles County Courthouse (La Plata) Maryland Rule 16-208 Notice: "Visitors and jurors may possess electronic devices inside the courthouse. Devices must remain off or silent inside courtrooms and may never be used to record proceedings."”	La Plata	Phones allowed on silent	No lockers	Free Validated

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Frequently Asked Questions

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

It depends on the county administrative order: 10 of 10 tracked courthouses in Maryland 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 Maryland?

In 10 of 10 counties in Maryland, 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.