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Home / Iowa Permits / Johnson County

Building Permits in Johnson County, Iowa

County jurisdiction
Local details being verified — statewide baseline shown

Adopted Construction Codes

These are the state-level code editions for Iowa. They apply in Johnson Countyunless a verified local adoption or amendment is noted — in local-adoption states, confirm the city or county's own code editions with the building department.

CodeEditionAdoption
IBC — International Building Code2024Iowa Admin. Code 481 ch. 301 · source ↗
IEBC — International Existing Building Code2024Iowa Admin. Code 481 ch. 301 · source ↗
IECC — International Energy Conservation Code2012Iowa Admin. Code 481 ch. 301 · source ↗
IMC — International Mechanical Code2024Iowa Admin. Code 481-426.2(105) · source ↗
IRC — International Residential Code2024Iowa Admin. Code 481 ch. 301 · source ↗
NEC — National Electrical Code (NFPA 70)2023Iowa Admin. Code 481-404.3(103) · source ↗
UPC — 2024Iowa Admin. Code 481-425.1(105) · source ↗

Permit Requirements

Permit-type details for Johnson County (fees, required documents, inspection sequence) are being verified with the local building department. In the meantime, contact the county building department directly, or ask the BuildSpec Copilot about statewide requirements.

Building Department

Building department website ↗

Phone: 319-356-6083

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Related on BuildSpec

Iowa adopted codes →Iowa DOT specifications →Code calculators →