| Board of Elections |
| 8900 Columbia 100 Parkway Columbia, MD 21045 |
Ph: 410-313-5820 Fx: 410-313-5833 |
| County Executive |
| 3430 Courthouse Drive Ellicott City, MD 21043 |
Ph: 410-313-2013 |
| County Council |
| 3430 Court House Drive Ellicott City, MD 21043 |
Ph: 410-313-2001 Fx: 410-313-3297 |
| County Auditor | Ph: 410-313-2005 Fx: 410-313-3287 |
| Citizen Services |
| 6751 Columbia Gateway Drive Columbia, MD 21046 |
Ph: 410-313-6400 Fx: 410-313-6424 |
| Office on Aging | Ph: 410-313-6410 |
| Office of Children Services | Ph: 410-313-1940 |
| Office of Consumer Affairs | Ph: 410-313-6420 |
| Disability Services | Ph: 410-313-6402 |
| Corrections |
| 7301 Old Waterloo Road Jessup, MD 20794 |
Ph: 410-313-5200 Fax: 410-313-5226 |
| County Administration |
| Budget Office | Ph: 410-313-2077 |
| Human Resources | Ph: 410-313-2033 |
| Human Rights Office | Ph: 410-313-6430 |
| Legislative Coordinator | Ph: 410-313-2164 |
| Public Information Office | Ph: 410-313-2022 |
| - GTV (Government Channel) | Ph: 410-313-5720 |
| Purchasing Office | Ph: 410-313-6370 |
| Risk Management | Ph: 410-313-6390 |
| Workforce Development | Ph: 410-290-2620 |
| Finance |
| 3430 Courthouse Drive Ellicott City, MD 21043 |
Ph: 410-313-2195 |
| Fire & Rescue |
| 6751 Columbia Gateway Dr Columbia, MD 21046 |
Ph: 410-313-6000 |
| Health Department |
| 7178 Columbia Gateway Drive Columbia, MD 21046-2147 |
Ph: 410-313-6300 Toll free: 1-866-313-6300 Fax: 410-313-6303 |
| Housing and Community Development |
| 6751 Columbia Gateway Dr., 3rd Floor Columbia, MD 21046 |
Ph: 410-313-6320 Fax: 410-313-6064 |
| Inspections, Licenses and Permits |
| 3430 Court House Dr Ellicott City, MD 21043 |
Ph: 410-313-2455 |
| Planning & Zoning |
| 3430 Court House Dr Ellicott City, MD 21043 |
Ph: 410-313-2350 Fx: 410-313-3467 |
| Police |
| Headquarters 3410 Court House Dr. Ellicott City, MD 21043 |
Ph: 410-313-3200 Ph: 301-621-4300 TTD: 410-313-2323 |
| Northern District 3410 Court House Dr. Ellicott City, MD 21043 |
Ph: 410-313-3200 |
| Southern District 11226 Scaggsville Rd. Laurel, MD 20723 |
Ph: 410-313-3700 |
| Public Schools |
| Howard County Board of Education 10910 Route 108 Ellicott City, MD 21042 |
Ph: 410-313-6600 |
| Public Works |
| Bureau of Administration | Ph: 410-313-4401 |
| Bureau of Engineering | Ph: 410-313-2414 |
| Bureau of Environmental Services | Ph: 410-313-6444 |
| Bureau of Facilities | Ph: 410-313-2700 |
| Bureau of Highways | Ph: 410-313-7450 |
| Bureau of Utilities | Ph: 410-313-4900 |
| Recreation & Parks |
| 7120 Oakland Mills Road Columbia, MD 21046 |
Ph: 410-313-4700 Fx: 410-313-4646 Registration Fx: 410-313-4660 |
| Sheriff's Office |
| 8360 Court Avenue Ellicott City, MD 21043 |
Ph: 410-313-2150 Fx: 410-313-4175 |
| State's Attorney |
| Circuit Court | Ph: 410-313-2108 Fx: 410-313-3294 |
| District Court | Ph: 410-480-7700 |
| Technology and Communication Services |
| 3450 Court House Drive Ellicott City, MD 21043 |
Ph: 410-313-3500 Fx: 410-313-3291 |
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