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Sheriff and police in Howard County.
Maryland. By agency.

9 listed agencies make arrests in Howard County: the sheriff, city police departments, campus police and state agencies. The arresting agency is usually not the facility that holds the person; the county page has the jail.

Howard County jail information Emergency? Call 911. Agency lines below are non-emergency numbers.
Sheriff's office1 of 9

Howard County Sheriffs Office

8360 Court Avenue
Ellicott City, MD 21043
Non-emergency line
(410) 313-2150
Location
Ellicott City, MD

Booking, bond and release questions go to the jail, not the arresting agency. Confirm where the person is before you act.

Sheriff's office

The sheriff is usually the police department for unincorporated areas and the operator of the county jail. An arresting station is usually not the holding facility.

Howard County Sheriffs Office

Sheriff's office · Ellicott City
Address
8360 Court Avenue
Ellicott City, MD 21043
Directions
Phone
(410) 313-2150
Non-emergency. Emergency: 911.
Covers
County sheriff’s office. The jail is usually a Sheriff facility, not the arresting station.
Custody
Arrests here usually book into the county jail. Jail page

From the law-enforcement directory inventory. Not yet checked against the agency's own page; confirm the number before relying on it.

Sheriff stations and substations

Walk-in Sheriff offices for a community in this county. After-hours and in-progress calls go through 911.

Howard County Sheriffs Office - Domestic Violence Enforcement

Sheriff station · Ellicott City
Address
3565 Ellicott Mills Drive
Ellicott City, MD 21043
Directions
Covers
Sheriff station or substation for a community in this county.

From the law-enforcement directory inventory. Not yet checked against the agency's own page; confirm the number before relying on it.

Municipal police departments (4)

These departments police that city. A local arrest still usually books into the county jail.

Howard County Police Department

City police

From the law-enforcement directory inventory. Not yet checked against the agency's own page; confirm the number before relying on it.

Howard County Police Department - Headquarters Northern District

City police · Ellicott
Address
3410 Court House Drive
Ellicott, MD 21043
Directions
Covers
City police listed for Ellicott.

From the law-enforcement directory inventory. Not yet checked against the agency's own page; confirm the number before relying on it.

Howard County Police Department - Southern District

City police · Laurel
Address
11226 Scaggsville Road
Laurel, MD 20723
Directions
Covers
City police listed for Laurel.

From the law-enforcement directory inventory. Not yet checked against the agency's own page; confirm the number before relying on it.

Mid-Atlantic Regional Community Policing Institute

City police · Columbia
Address
6716 Alexander Bell Drive, Suite 201
Columbia, MD 21046
Directions
Covers
City police listed for Columbia.

From the law-enforcement directory inventory. Not yet checked against the agency's own page; confirm the number before relying on it.

Highway patrol (2)

Freeway collisions, traffic stops, and commercial inspection. City streets belong to that city’s police or the Sheriff.

Maryland State Police - Computer Crimes Unit

Highway patrol · Columbia
Address
7155 Columbia Gateway Drive, Suite C & D
Columbia, MD 21046
Directions
Covers
State traffic enforcement for freeways and unincorporated roads.

From the law-enforcement directory inventory. Not yet checked against the agency's own page; confirm the number before relying on it.

Maryland State Police Barrack A - Waterloo

Highway patrol · Jessup
Address
7777 Washington Boulevard
Jessup, MD 20794
Directions
Covers
State traffic enforcement for freeways and unincorporated roads.

From the law-enforcement directory inventory. Not yet checked against the agency's own page; confirm the number before relying on it.

Other law-enforcement locations

Special jurisdictions, constables, marshals, and other listed public-safety agencies in this county.

Clifton T. Perkins Hospital Center Police

Law enforcement · Jessup
Address
8450 Dorsey Run Road
Jessup, MD 20794
Directions

From the law-enforcement directory inventory. Not yet checked against the agency's own page; confirm the number before relying on it.

Clear information.
Clear boundaries.

Jail411 lists the public agencies that make arrests so families can find the right door. We are not a government agency, a police department or a live custody-records service.

Is the sheriff's office the same as the jail?

Often the sheriff runs the county jail, but the jail is a separate facility with its own address, phone and rules. Open the jail page for booking, visiting, mail and money details.

How do I find out which department made the arrest?

Ask the person, check any paperwork or citation, or call the sheriff's non-emergency line. City arrests belong to that city's police; unincorporated areas and county roads usually belong to the sheriff; freeways usually belong to the state patrol.

Can these agencies tell me if someone is in custody?

The jail can. The arresting agency may confirm an arrest but does not hold the person. Call the jail's booking or information line first.

What if a listing needs correcting?

Send us the page and the detail that needs attention. Include the agency's official page when you have it. Do not send private booking documents or other sensitive personal information.

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Jail411 source information preserved on 2026-09-25.Official sources appear alongside the relevant information.