Building Departments in Johnston, Iowa

There are 2 Building Departments in Johnston, Iowa, serving a population of 20,172 people in an area of 18 square miles. There is 1 Building Department per 10,086 people, and 1 Building Department per 8 square miles.

In Iowa, Johnston is ranked 32nd of 1056 cities in Building Departments per capita, and 29th of 1056 cities in Building Departments per square mile.

List of Johnston Building Departments

Find Johnston, Iowa building departments, planning, permits, zoning, and inspections.


Johnston Building Department 6221 Merle Hay Road Johnston, IA

Johnston Zoning 6221 Merle Hay Rd Johnston, IA

About the Johnston Building Department

Building Departments in Johnston, IA 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 Johnston 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:
  • Johnston, Iowa building inspection records
  • Contractor license searches
  • Johnston building codes
  • Building permit violations, appeals, and fines
  • Construction permits and building ordinances
  • Johnston, IA zoning laws and requirements

Johnston Building Structure & Housing Statistics

Find Johnston 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, 2017 ACS 5-Year Estimates.

Johnston Residential Housing Units
 JohnstonPolk County
Total Housing Units8,449193,987
Occupied Housing Units8,084 (95.7%)181,316 (93.5%)
Johnston Occupied Residential Buildings
 JohnstonPolk County
Single-Family Detached Homes4,902 (60.6%)118,659 (65.4%)
Single-Family Attached Homes1,270 (15.7%)14,365 (7.9%)
2 Apartments40 (0.5%)2,913 (1.6%)
3 or 4 Apartments278 (3.4%)3,597 (2.0%)
5 to 9 Apartments514 (6.4%)6,924 (3.8%)
10 or More Apartments1,080 (13.4%)30,831 (17.0%)
Mobile Home or Other Type of Housing-4,027 (2.2%)
Johnston Occupied Residential Buildings Construction Year
 JohnstonPolk County
2014 or Later482 (6.0%)3,310 (1.8%)
2010 to 2013980 (12.1%)7,147 (3.9%)
2000 to 20092,878 (35.6%)28,396 (15.7%)
1980 to 19992,694 (33.3%)42,876 (23.6%)
1960 to 1979739 (9.1%)42,927 (23.7%)
1940 to 1959239 (3.0%)28,999 (16.0%)
1939 or Earlier72 (0.9%)27,661 (15.3%)
Johnston Occupied Residential Buildings Room Characteristics
 JohnstonPolk County
1 Room73 (0.9%)2,960 (1.6%)
2 or 3 Rooms811 (10.0%)20,604 (11.4%)
4 or 5 Rooms2,286 (28.3%)65,344 (36.0%)
6 or 7 Rooms1,928 (23.8%)49,204 (27.1%)
8 or More Rooms2,986 (36.9%)43,204 (23.8%)
Johnston Occupied Residential Buildings Bedroom Characteristics
 JohnstonPolk County
No Bedroom101 (1.2%)3,540 (2.0%)
1 Bedroom616 (7.6%)18,318 (10.1%)
2 or 3 Bedrooms4,488 (55.5%)119,959 (66.2%)
4 or More Bedrooms2,879 (35.6%)39,499 (21.8%)
Johnston Occupied Residential Building Facility Characteristics
 JohnstonPolk County
With Complete Plumbing Facilities8,084 (100.0%)180,913 (99.8%)
With Complete Kitchen Facilities8,045 (99.5%)179,719 (99.1%)