The state of Louisiana has adopted the 2024 I-Codes. The new codes will be effective January 1st, 2027.
The adopted codes are as follows:
The state of Arizona Office of Manufactured Housing has adopted the 2024 I-Codes with an effective date of December 5, 2026.
The following codes have been adopted:
On August 26, 2025, the South Carolina Building Codes Council adopted the latest editions of the mandatory codes and select appendices with modifications, as referenced in S.C. Code Ann. §6-9-50 (1976, as amended), to be enforced by all municipalities and counties in South Carolina.
The adopted mandatory codes are as follows:
The state of New Mexico will be adopting the following codes:
2024 New Mexico Plumbing Code
2024 New Mexico Mechanical Code
The state of Florida will be updating to the 9th edition of their building codes, effective December 31, 2026.
The following codes will be adopted:
The state of New Jersey has adopted the 2024 I-Codes as of August 17, 2026.There is a 6-month grace period making the effective date February 17, 2027.
More information on the code adoptions can be found on the state’s website: New Jersey Department of Community Affairs | Current Construction Codes
The state of Mississippi has adopted the 2024 I-Codes for modular construction as of July 1, 2026.
National Electrical Code (NFPA 70)
International Building Code, 2024 edition
International Residential Code, 2024 edition
International Plumbing Code, 2024 edition
Southern Building Code Congress International Standard for Hurricane Resistant Residential Construction (SSTD 10); or Minimum Design Loads for Buildings and Other Structures (ASCE-7)