⚠ Regulatory Update Notice: A regulation cited on this page (NFPA 70, ASHRAE 90.1, ASHRAE 62.2) has been updated. This page is under review.
NFPA 70 updated to 2023 edition (from 2020) (revision, effective 2023-01-01)
ASHRAE 90.1 updated to 2022 edition (from 2019) (revision, effective 2022-01-01)
+1 more change(s)
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Roofing Licensing and Regulation: 50-State Comparison

This page compares roofing regulatory requirements across 25 states, based on 1094 regulatory citations tracked by the Authority Network America monitoring system.

Regulation Density by State

State Total Citations State Statutes Federal Codes Building Codes Details
Alabama 36 13 2 21 alabamaroofauthority.com
Alaska 0 0 0 0 alaskaroofauthority.com
Arizona 29 25 2 19 arizonaroofauthority.com
Arkansas 38 3 3 36 arkansasroofauthority.com
California 19 0 2 5 californiaroofauthority.com
Colorado 48 16 0 44 coloradoroofauthority.com
Florida 36 84 2 3 floridaroofauthority.com
Georgia 40 0 6 35 georgiaroofauthority.com
Illinois 56 0 2 39 illinoisroofauthority.com
Indiana 47 28 3 44 indianaroofauthority.com
Maryland 57 1 2 77 marylandroofauthority.com
Massachusetts 36 0 5 28 massachusettsroofauthority.com
Michigan 59 0 5 27 michiganroofauthority.com
Missouri 48 7 5 43 missouriroofauthority.com
NewJersey 59 0 4 58 newjerseyroofauthority.com
NewYork 29 1 2 20 newyorkroofauthority.com
NorthCarolina 58 10 6 45 northcarolinaroofauthority.com
Ohio 24 0 0 25 ohioroofauthority.com
Pennsylvania 58 1 6 55 pennsylvaniaroofauthority.com
SouthCarolina 36 1 1 37 southcarolinaroofauthority.com
Tennessee 55 0 4 59 tennesseeroofauthority.com
Texas 41 0 1 42 texasroofauthority.com
Virginia 87 44 10 51 virginiaroofauthority.com
Washington 57 0 2 56 washingtonroofauthority.com
Wisconsin 41 24 2 27 wisconsinroofauthority.com

Most-Cited Regulations Across States

Regulation States Citing
ASHRAE 90.1 23
IRC R806 22
IRC R905 22
IRC R806.5 21
Magnuson-Moss Warranty Act 20
IRC R905.2 19
IECC Edition 2021 18
NFPA 70 16
IRC R905.1.2 16
IRC R803 14
IRC R806.2 13
IRC R806.3 13
IBC 1511 13
15 U.S.C. § 2301 13
IRC R907.3 12
IBC 1503.4 12
IRC R907 11
Inflation Reduction Act 11
IRC Edition 2018 10
ASHRAE 62.2 10
IRC R903.2 10
IBC 1507 9
IRC R905.2.8.5 9
IRC R903 9
IRC R908 9
Inflation Reduction Act of 2022 8
IRC R905.2.7 8
IRC Edition 2021 8
National Historic Preservation Act 8
Davis-Bacon Act 8

Data from ANA Regulatory Watch. Updated daily from 6 monitoring sources.

📜 27 regulatory citations referenced  ·  🔍 Monitored by ANA Regulatory Watch  ·  View update log