International Building Code
IBC adoption by state
Which IBC edition each of the 49 jurisdictions enforces: the 48 contiguous states and the District of Columbia. Of the 49 values, 30 come from the state’s own records, verified or partial. The other 19 are tracker leads or have no data yet. Data as of .
Editions in force
| Edition in force | Total | Verified or partial |
|---|---|---|
| 2024 IBC | 12 | 8 |
| 2021 IBC | 22 | 14 |
| 2018 IBC | 4 | 1 |
| 2015 IBC | 3 | 2 |
| 2012 IBC | 2 | 2 |
| Local adoption | 6 | 3 |
Every jurisdiction
| State | Edition in force | In force since | How it was checked |
|---|---|---|---|
| Alabama | 2021 IBC | Verified | |
| Arizona | Local adoption | No date on record | Verified |
| Arkansas | 2021 IBC | Not researched yet | Lead only |
| California | 2024 IBC | Verified | |
| Colorado | 2024 IBC | Partial | |
| Connecticut | 2021 IBC | Verified | |
| Delaware | Local adoption | Not researched yet | Lead only |
| District of Columbia | 2015 IBC | Not researched yet | Lead only |
| Florida | 2021 IBC | Verified | |
| Georgia | 2024 IBC | Verified | |
| Idaho | 2018 IBC | Not researched yet | Lead only |
| Illinois | Local adoption | No date on record | Partial |
| Indiana | 2012 IBC | Verified | |
| Iowa | 2024 IBC | Not researched yet | Lead only |
| Kansas | Local adoption | Not researched yet | Lead only |
| Kentucky | 2015 IBC | Partial | |
| Louisiana | 2021 IBC | Verified | |
| Maine | 2021 IBC | Not researched yet | Lead only |
| Maryland | 2021 IBC | Verified | |
| Massachusetts | 2021 IBC | Verified | |
| Michigan | 2021 IBC | Verified | |
| Minnesota | 2018 IBC | Verified | |
| Mississippi | 2024 IBC | Not researched yet | Lead only |
| Missouri | Local adoption | No date on record | Partial |
| Montana | 2021 IBC | Not researched yet | Lead only |
| Nebraska | 2018 IBC | Not researched yet | Lead only |
| Nevada | Local adoption | Not researched yet | Lead only |
| New Hampshire | 2021 IBC | Not researched yet | Lead only |
| New Jersey | 2024 IBC | Verified | |
| New Mexico | 2021 IBC | Not researched yet | Lead only |
| New York | 2024 IBC | Verified | |
| North Carolina | 2015 IBC | Verified | |
| North Dakota | 2024 IBC | Not researched yet | Lead only |
| Ohio | 2021 IBC | Partial | |
| Oklahoma | 2024 IBC | Verified | |
| Oregon | 2024 IBC | Verified | |
| Pennsylvania | 2021 IBC | Verified | |
| Rhode Island | 2021 IBC | Not researched yet | Lead only |
| South Carolina | 2021 IBC | Verified | |
| South Dakota | 2021 IBC | Not researched yet | Lead only |
| Tennessee | 2021 IBC | Verified | |
| Texas | 2012 IBC | Verified | |
| Utah | 2024 IBC | Verified | |
| Vermont | 2021 IBC | Not researched yet | Lead only |
| Virginia | 2021 IBC | Verified | |
| Washington | 2021 IBC | Verified | |
| West Virginia | 2018 IBC | Not researched yet | Lead only |
| Wisconsin | 2021 IBC | Verified | |
| Wyoming | 2024 IBC | Not researched yet | Lead only |
A row marked Lead only shows the edition a tracker lists. That is a cross-check, not the state’s own record.
How these values were checked
- Verified25 valuesTwo separate readings of the state’s own record agree, and the passage is on file word for word.
- Partial5 valuesResearched in the state’s own record. The seal stays broken until the passage is on file word for word.
- Lead only19 valuesA tracker lists this edition. Nobody has checked it against the state’s own record yet.