Building Departments in McHenry County, Illinois

There are 6 Building Departments in McHenry County, Illinois, serving a population of 308,043 people in an area of 604 square miles. There is 1 Building Department per 51,340 people, and 1 Building Department per 100 square miles.

In Illinois, McHenry County is ranked 42nd of 102 counties in Building Departments per capita, and 7th of 102 counties in Building Departments per square mile.

List of McHenry County Building Departments

Find McHenry County, Illinois building departments, planning, permits, zoning, and inspections.

Lakewood Village Building Department 2500 Lake Avenue Lakewood, IL

Marengo City Building Department 835 West Grant Highway Marengo, IL

McHenry Zoning 333 South Green Street McHenry, IL

Oakwood Hills Building Department 3020 North Park Drive Cary, IL

Prairie Grove Building Department 3125 Barreville Road Crystal Lake, IL

Woodstock Zoning 121 West Calhoun Street Woodstock, IL

About the McHenry County Building Department

Building Departments in McHenry County, IL 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 McHenry 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:
  • McHenry County, Illinois building inspection records
  • Contractor license searches
  • McHenry County building codes
  • Building permit violations, appeals, and fines
  • Construction permits and building ordinances
  • McHenry County, IL zoning laws and requirements

McHenry County Building Structure & Housing Statistics

Find McHenry County Residential Housing Units, 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, 2018 ACS 5-Year Estimates.

McHenry County Residential Housing Units
 McHenry CountyIllinois
Total Housing Units118,1325,347,268
Occupied Housing Units111,812 (94.7%)4,830,038 (90.3%)
McHenry County Occupied Residential Buildings
 McHenry CountyIllinois
Single-Family Detached Homes86,884 (77.7%)2,912,384 (60.3%)
Single-Family Attached Homes10,762 (9.6%)288,236 (6.0%)
2 Apartments2,163 (1.9%)248,181 (5.1%)
3 or 4 Apartments2,524 (2.3%)294,340 (6.1%)
5 to 9 Apartments4,364 (3.9%)299,097 (6.2%)
10 or More Apartments4,251 (3.8%)678,355 (14.0%)
Mobile Home or Other Type of Housing864 (0.8%)109,445 (2.3%)
McHenry County Occupied Residential Buildings Construction Year
 McHenry CountyIllinois
2014 or Later685 (0.6%)33,656 (0.7%)
2010 to 20131,184 (1.1%)66,478 (1.4%)
2000 to 200924,334 (21.8%)548,236 (11.4%)
1980 to 199940,099 (35.9%)992,290 (20.5%)
1960 to 197923,620 (21.1%)1,272,562 (26.3%)
1940 to 195912,678 (12,678.0%)919,590 (919,590.0%)
1939 or Earlier9,212 (8.2%)997,226 (20.6%)
McHenry County Occupied Residential Buildings Room Characteristics
 McHenry CountyIllinois
1 Room591 (0.5%)106,221 (2.2%)
2 or 3 Rooms67,724 (60.6%)3,134,650 (64.9%)
4 or 5 Rooms28,563 (25.5%)1,666,470 (34.5%)
6 or 7 Rooms36,436 (32.6%)1,471,423 (30.5%)
8 or More Rooms41,424 (37.0%)1,099,318 (22.8%)
McHenry County Occupied Residential Buildings Bedroom Characteristics
 McHenry CountyIllinois
No Bedroom650 (0.6%)122,619 (2.5%)
1 Bedroom5,369 (4.8%)522,594 (10.8%)
2 or 3 Bedrooms67,724 (60.6%)3,134,650 (64.9%)
4 or More Bedrooms38,069 (34.0%)1,050,175 (21.7%)
McHenry County Occupied Residential Building Facility Characteristics
 McHenry CountyIllinois
With Complete Plumbing Facilities111,666 (99.9%)4,816,603 (99.7%)
With Complete Kitchen Facilities111,272 (99.5%)4,794,163 (99.3%)