An ISO analysis of building code enforcement in the United States revealed that code adoption and enforcement has improved over the last ten years in a substantial number of states. From 2005-2015, 31 states improved, three were unchanged and eight scored lower. Use our interactive maps to see how your state did on both residential and commercial building codes, review our Building Code Trends map, and see the raw data on each participating state.
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2015
2005
2015
2005
| ISO Community Hazard Mitigation | Building Code Effectiveness Grading Schedule (BCEGS) | ||||
|---|---|---|---|---|
| Commercial | Residential | |||
| State | 2005 | 2015 | 2005 | 2015 |
| AK | 4 | 5 | 4 | 5 |
| AL | 7 | 6 | 7 | 6 |
| AR | 7 | 6 | 7 | 7 |
| AZ | 5 | 4 | 5 | 5 |
| CA | 6 | 3 | 6 | 3 |
| CO | 5 | 5 | 6 | 5 |
| CT | 7 | 8 | 7 | 6 |
| DE | 7 | 5 | 7 | 5 |
| FL | 4 | 3 | 4 | 4 |
| GA | 7 | 5 | 7 | 5 |
| IA | 6 | 5 | 5 | 5 |
| IL | 6 | 6 | 6 | 7 |
| IN | 7 | 8 | 7 | 9 |
| KY | 5 | 4 | 5 | 5 |
| MA | 6 | 5 | 7 | 6 |
| MD | 5 | 4 | 5 | 4 |
| ME | 7 | 5 | 7 | 5 |
| MI | 4 | 4 | 4 | 4 |
| MN | 5 | 4 | 5 | 4 |
| MO | 6 | 5 | 6 | 5 |
| MT | 5 | 4 | 5 | 5 |
| NC | 5 | 4 | 5 | 4 |
| ND | 5 | 4 | 5 | 5 |
| NE | 5 | 7 | 6 | 7 |
| NH | 6 | 5 | 6 | 5 |
| NJ | 4 | 3 | 4 | 4 |
| NM | 6 | 4 | 6 | 4 |
| NV | 4 | 3 | 4 | 3 |
| NY | 6 | 7 | 6 | 7 |
| OH | 4 | 4 | 5 | 5 |
| OR | 6 | 3 | 6 | 3 |
| PA | 6 | 4 | 6 | 4 |
| RI | 5 | 6 | 5 | 6 |
| SC | 5 | 4 | 6 | 5 |
| SD | 6 | 5 | 6 | 6 |
| TN | 6 | 5 | 6 | 6 |
| TX | 6 | 5 | 6 | 6 |
| UT | 3 | 3 | 3 | 4 |
| VA | 4 | 4 | 4 | 4 |
| WI | 5 | 6 | 4 | 6 |
| WV | 7 | 5 | 7 | 5 |
| WY | 5 | 4 | 5 | 4 |
| 235 | 204 | 239 | 218 | |
| National Class | 5.5 | 4.9 | 5.6 | 5.2 |