Building Departments in Howard County, Maryland

There are 2 Building Departments in Howard County, Maryland, serving a population of 312,495 people in an area of 251 square miles. There is 1 Building Department per 156,247 people, and 1 Building Department per 125 square miles.

In Maryland, Howard County is ranked 17th of 24 counties in Building Departments per capita, and 8th of 24 counties in Building Departments per square mile.

List of Howard County Building Departments

Find Howard County, Maryland building departments, planning, permits, zoning, and inspections.


Howard County Planning Department 3430 Court House Drive Ellicott City, MD

Howard County Zoning 3430 Court House Drive Ellicott City, MD

About the Howard County Building Department

Building Departments in Howard County, MD are responsible for ensuring safe construction of buildings located in their jurisdictions. Building Departments create building codes and standards for building construction to ensure building safety. The Howard County DOB is involved in all aspects of construction, including zoning laws, design requirements, building materials, trade and professional license regulation.

You may contact the Building Department for questions about:
  • Howard County, Maryland building inspection records
  • Contractor license searches
  • Howard County building codes
  • Building permit violations, appeals, and fines
  • Construction permits and building ordinances
  • Howard County, MD zoning laws and requirements

Howard County Building Structure & Housing Statistics

Find Howard County Residential Housing Units, Occupied Residential Buildings, Occupied Residential Buildings Construction Year, Occupied Residential Buildings Room Characteristics, Occupied Residential Buildings Bedroom Characteristics, and Occupied Residential Building Facility Characteristics. Data Source: U.S. Census Bureau; American Community Survey, 2017 ACS 5-Year Estimates.

Howard County Residential Housing Units
 Howard CountyMaryland
Total Housing Units116,4932,427,014
Occupied Housing Units111,337 (95.6%)2,181,093 (89.9%)
Howard County Occupied Residential Buildings
 Howard CountyMaryland
Single-Family Detached Homes58,469 (52.5%)1,158,356 (53.1%)
Single-Family Attached Homes25,862 (23.2%)459,488 (21.1%)
2 Apartments581 (0.5%)29,128 (1.3%)
3 or 4 Apartments1,466 (1.3%)44,991 (2.1%)
5 to 9 Apartments6,191 (5.6%)106,101 (4.9%)
10 or More Apartments17,655 (15.9%)354,951 (16.3%)
Mobile Home or Other Type of Housing1,113 (1.0%)28,078 (1.3%)
Howard County Occupied Residential Buildings Construction Year
 Howard CountyMaryland
2014 or Later1,881 (1.7%)17,675 (0.8%)
2010 to 20134,966 (4.5%)52,604 (2.4%)
2000 to 200916,634 (14.9%)260,846 (12.0%)
1980 to 199952,129 (46.8%)671,719 (30.8%)
1960 to 197928,825 (25.9%)568,321 (26.1%)
1940 to 19595,008 (4.5%)372,876 (17.1%)
1939 or Earlier1,894 (1.7%)237,052 (10.9%)
Howard County Occupied Residential Buildings Room Characteristics
 Howard CountyMaryland
1 Room827 (0.7%)27,124 (1.2%)
2 or 3 Rooms8,153 (7.3%)190,564 (8.7%)
4 or 5 Rooms23,535 (21.1%)572,371 (26.2%)
6 or 7 Rooms28,584 (25.7%)671,326 (30.8%)
8 or More Rooms50,238 (45.1%)719,708 (33.0%)
Howard County Occupied Residential Buildings Bedroom Characteristics
 Howard CountyMaryland
No Bedroom893 (0.8%)31,145 (1.4%)
1 Bedroom8,621 (7.7%)214,444 (9.8%)
2 or 3 Bedrooms54,809 (49.2%)1,274,867 (58.5%)
4 or More Bedrooms47,014 (42.2%)660,637 (30.3%)
Howard County Occupied Residential Building Facility Characteristics
 Howard CountyMaryland
With Complete Plumbing Facilities111,044 (99.7%)2,174,324 (99.7%)
With Complete Kitchen Facilities110,677 (99.4%)2,169,342 (99.5%)