📜 National Code Reference | IBC 2024 / NFPA 101 / Title 24
50-State Model Building Code Directory
Master reference matrix mapping model building code editions, environmental mandates, and local AHJ amendments across all 50 U.S. states.
| State | Jurisdiction | Model Code Edition | Regional Code & Environmental Mandates | Action |
|---|---|---|---|---|
| TX | Harris County | IBC 2024 / ICC | Requires 2024 IBC wind-load engineering compliance (110 mph design wind speed) and Harris County Floodplain Management Regulations Section 4. | View Guide → |
| TX | Dallas County | IBC 2024 / ICC | 2024 IBC & Dallas Energy Conservation Code compliance. | View Guide → |
| TX | Bexar County | IBC 2021 | Edwards Aquifer Contributing Zone environmental review. | View Guide → |
| CA | Los Angeles County | CBC Title 24 | Mandatory 2025 California Building Code (CBC Title 24) and Seismic Design Category D/E/F. | View Guide → |
| CA | Orange County | CBC Title 24 | Title 24 Energy Code & Coastal Commission Regulations. | View Guide → |
| AL | Jefferson County | IBC 2021 | 2021 IBC with Alabama Building Commission amendments. | View Guide → |
| AK | Anchorage Municipality | IBC 2021 | Extreme cold climate foundation insulation & seismic design category D. | View Guide → |
| AZ | Maricopa County | IBC 2024 / ICC | 2024 IBC code with Rule 200 Dust Control requirements for clearing >0.1 acres. | View Guide → |
| AR | Pulaski County | IBC 2021 | 2021 Arkansas Fire Prevention Code compliance. | View Guide → |
| CO | Denver County | IBC 2021 | Denver Green Building Ordinance and snow-load engineering requirements. | View Guide → |
| CT | Fairfield County | IBC 2021 | 2022 Connecticut State Building Code amendments. | View Guide → |
| DE | New Castle County | IBC 2021 | Delaware Coastal Zone Act compliance. | View Guide → |
| FL | Miami-Dade County | IBC 2021 | High-Velocity Hurricane Zone (HVHZ) requirements under Florida Building Code. | View Guide → |
| FL | Broward County | IBC 2021 | HVHZ Hurricane Wind-Load & Flood Elevation Certifications. | View Guide → |
| GA | Fulton County | IBC 2021 | Georgia State Minimum Standard Building Code. | View Guide → |
| HI | Honolulu County | IBC 2021 | Hawaii State Building Code & coastal flood zone management. | View Guide → |
| ID | Ada County | IBC 2021 | 2020 Idaho Building Code amendments. | View Guide → |
| IL | Cook County | IBC 2021 | 42-inch foundation frost-line depth requirement. | View Guide → |
| IN | Marion County | IBC 2021 | 2020 Indiana Building Code. | View Guide → |
| IA | Polk County | IBC 2021 | Iowa State Building Code compliance. | View Guide → |
| KS | Johnson County | IBC 2021 | Kansas MARC building codes. | View Guide → |
| KY | Jefferson County (Louisville) | IBC 2021 | 2018 Kentucky Building Code. | View Guide → |
| LA | Orleans Parish (New Orleans) | IBC 2021 | Louisiana Uniform Construction Code & wind design 130 mph. | View Guide → |
| ME | Cumberland County | IBC 2021 | Maine Uniform Building and Energy Code (MUBEC). | View Guide → |
| MD | Montgomery County | IBC 2021 | Maryland Building Performance Standards (MBPS). | View Guide → |
| MA | Suffolk County (Boston) | IBC 2021 | Ninth Edition 780 CMR Building Code and Stretch Energy Code. | View Guide → |
| MI | Wayne County | IBC 2021 | 2021 Michigan Building Code. | View Guide → |
| MN | Hennepin County | IBC 2021 | 2020 Minnesota State Building Code & frost depth 48 inches. | View Guide → |
| MS | Hinds County | IBC 2021 | 2018 IBC Mississippi amendments. | View Guide → |
| MO | St. Louis County | IBC 2021 | 2021 IBC with St. Louis County local amendments. | View Guide → |
| MT | Yellowstone County | IBC 2021 | 2021 Montana State Building Code. | View Guide → |
| NE | Douglas County (Omaha) | IBC 2021 | 2018 Nebraska State Building Code. | View Guide → |
| NV | Clark County | IBC 2021 | Southern Nevada Building Code Amendments. | View Guide → |
| NH | Hillsborough County | IBC 2021 | 2018 New Hampshire State Building Code. | View Guide → |
| NJ | Bergen County | IBC 2021 | NJ Uniform Construction Code (UCC). | View Guide → |
| NM | Bernalillo County | IBC 2021 | 2021 New Mexico Commercial Building Code. | View Guide → |
| NY | New York County (Manhattan) | IBC 2021 | 2022 NYC Construction Codes & Local Law 97. | View Guide → |
| NC | Mecklenburg County | IBC 2021 | 2018 North Carolina State Building Code. | View Guide → |
| NC | Wake County | IBC 2021 | NC Commercial Building Code compliance. | View Guide → |
| ND | Cass County (Fargo) | IBC 2021 | 2021 North Dakota State Building Code. | View Guide → |
| OH | Cuyahoga County (Cleveland) | IBC 2024 / ICC | 2024 Ohio Building Code (OBC). | View Guide → |
| OH | Franklin County (Columbus) | IBC 2021 | Ohio Building Code (OBC) commercial specs. | View Guide → |
| OK | Oklahoma County | IBC 2021 | 2018 Oklahoma Uniform Building Code Commission standards. | View Guide → |
| OR | Multnomah County (Portland) | IBC 2021 | 2022 Oregon Structural Specialty Code (OSSC). | View Guide → |
| PA | Philadelphia County | IBC 2021 | Pennsylvania Uniform Construction Code (UCC). | View Guide → |
| PA | Allegheny County (Pittsburgh) | IBC 2021 | PA UCC Construction Codes. | View Guide → |
| RI | Providence County | IBC 2021 | Rhode Island State Building Code SBC-1. | View Guide → |
| SC | Richland County | IBC 2021 | 2021 South Carolina Building Code. | View Guide → |
| SD | Minnehaha County (Sioux Falls) | IBC 2021 | 2021 International Building Code local amendments. | View Guide → |
| TN | Davidson County (Nashville) | IBC 2021 | 2018 International Building Code with Metro Nashville Amendments. | View Guide → |
| UT | Salt Lake County | IBC 2021 | 2021 Utah State Building Code & seismic design category D. | View Guide → |
| VT | Chittenden County | IBC 2021 | Vermont Commercial Building Energy Standards (CBES). | View Guide → |
| VA | Fairfax County | IBC 2021 | Virginia Uniform Statewide Building Code (VUSBC). | View Guide → |
| WA | King County | IBC 2021 | 2021 Washington State Energy Code (WSEC). | View Guide → |
| WV | Kanawha County (Charleston) | IBC 2021 | 2018 West Virginia State Building Code. | View Guide → |
| WI | Milwaukee County | IBC 2021 | Wisconsin Commercial Building Code (SPS 361-366). | View Guide → |
| WY | Laramie County (Cheyenne) | IBC 2021 | 2021 International Building Code & snow/wind load standards. | View Guide → |