State Building, Plumbing & Electrical Code Adoption
Find the plumbing, mechanical, and electrical code editions currently adopted in each US state. Records combine the NEMA NEC tracker, IAPMO and ICC adoption maps, and our internal curation as of 2026.
Find the plumbing, mechanical, and electrical codes adopted in each US state — current edition, amendments, and permit/inspection notes. Updated 2026.
Codes
- Alabama Electrical
- Alabama Plumbing
- Alabama Mechanical / HVAC
- Alaska Electrical
- Alaska Plumbing
- Alaska Mechanical / HVAC
- Arizona Electrical
- Arizona Plumbing
- Arizona Mechanical / HVAC
- Arkansas Electrical
- Arkansas Plumbing
- Arkansas Mechanical / HVAC
- California Electrical
- California Plumbing
- California Mechanical / HVAC
- Colorado Electrical
- Colorado Plumbing
- Colorado Mechanical / HVAC
- Connecticut Electrical
- Connecticut Plumbing
- Connecticut Mechanical / HVAC
- Delaware Electrical
- Delaware Plumbing
- Delaware Mechanical / HVAC
- District of Columbia Electrical
- District of Columbia Plumbing
- District of Columbia Mechanical / HVAC
- Florida Electrical
- Florida Plumbing
- Florida Mechanical / HVAC
- Georgia Electrical
- Georgia Plumbing
- Georgia Mechanical / HVAC
- Hawaii Electrical
- Hawaii Plumbing
- Hawaii Mechanical / HVAC
- Idaho Electrical
- Idaho Plumbing
- Idaho Mechanical / HVAC
- Illinois Electrical
- Illinois Plumbing
- Illinois Mechanical / HVAC
- Indiana Electrical
- Indiana Plumbing
- Indiana Mechanical / HVAC
- Iowa Electrical
- Iowa Plumbing
- Iowa Mechanical / HVAC
- Kansas Electrical
- Kansas Plumbing
- Kansas Mechanical / HVAC
- Kentucky Electrical
- Kentucky Plumbing
- Kentucky Mechanical / HVAC
- Louisiana Electrical
- Louisiana Plumbing
- Louisiana Mechanical / HVAC
- Maine Electrical
- Maine Plumbing
- Maine Mechanical / HVAC
- Maryland Electrical
- Maryland Plumbing
- Maryland Mechanical / HVAC
- Massachusetts Electrical
- Massachusetts Plumbing
- Massachusetts Mechanical / HVAC
- Michigan Electrical
- Michigan Plumbing
- Michigan Mechanical / HVAC
- Minnesota Electrical
- Minnesota Plumbing
- Minnesota Mechanical / HVAC
- Mississippi Electrical
- Mississippi Plumbing
- Mississippi Mechanical / HVAC
- Missouri Electrical
- Missouri Plumbing
- Missouri Mechanical / HVAC
- Montana Electrical
- Montana Plumbing
- Montana Mechanical / HVAC
- Nebraska Electrical
- Nebraska Plumbing
- Nebraska Mechanical / HVAC
- Nevada Electrical
- Nevada Plumbing
- Nevada Mechanical / HVAC
- New Hampshire Electrical
- New Hampshire Plumbing
- New Hampshire Mechanical / HVAC
- New Jersey Electrical
- New Jersey Plumbing
- New Jersey Mechanical / HVAC
- New Mexico Electrical
- New Mexico Plumbing
- New Mexico Mechanical / HVAC
- New York Electrical
- New York Plumbing
- New York Mechanical / HVAC
- North Carolina Electrical
- North Carolina Plumbing
- North Carolina Mechanical / HVAC
- North Dakota Electrical
- North Dakota Plumbing
- North Dakota Mechanical / HVAC
- Ohio Electrical
- Ohio Plumbing
- Ohio Mechanical / HVAC
- Oklahoma Electrical
- Oklahoma Plumbing
- Oklahoma Mechanical / HVAC
- Oregon Electrical
- Oregon Plumbing
- Oregon Mechanical / HVAC
- Pennsylvania Electrical
- Pennsylvania Plumbing
- Pennsylvania Mechanical / HVAC
- Rhode Island Electrical
- Rhode Island Plumbing
- Rhode Island Mechanical / HVAC
- South Carolina Electrical
- South Carolina Plumbing
- South Carolina Mechanical / HVAC
- South Dakota Electrical
- South Dakota Plumbing
- South Dakota Mechanical / HVAC
- Tennessee Electrical
- Tennessee Plumbing
- Tennessee Mechanical / HVAC
- Texas Electrical
- Texas Plumbing
- Texas Mechanical / HVAC
- Utah Electrical
- Utah Plumbing
- Utah Mechanical / HVAC
- Vermont Electrical
- Vermont Plumbing
- Vermont Mechanical / HVAC
- Virginia Electrical
- Virginia Plumbing
- Virginia Mechanical / HVAC
- Washington Electrical
- Washington Plumbing
- Washington Mechanical / HVAC
- West Virginia Electrical
- West Virginia Plumbing
- West Virginia Mechanical / HVAC
- Wisconsin Electrical
- Wisconsin Plumbing
- Wisconsin Mechanical / HVAC
- Wyoming Electrical
- Wyoming Plumbing
- Wyoming Mechanical / HVAC