Not a government site. Always confirm with your local building department before you build. About us

Building Permit Requirements
Menu

Source library

Official sources only, each with the date we checked it.

The 2,286 official sources behind our state and city pages, grouped by place. Each entry shows the publisher and the date we last checked it; the pages that cite a source footnote it with the date the source itself shows.

Alabama (state) 29
Alaska (state) 32
Albuquerque, NM 13
Arizona (state) 37
Arkansas (state) 30
Arlington, TX 19
Atlanta, GA 13
Aurora, CO 24
Austin, TX 30
Baltimore, MD 37
Boston, MA 21
California (state) 63
Charlotte, NC 18
Chicago, IL 24
Colorado (state) 19
Colorado Springs, CO 13
Columbus, OH 23
Connecticut (state) 29
Dallas, TX 18
Delaware (state) 33
Denver, CO 19
Detroit, MI 31
District of Columbia (state) 32
El Paso, TX 15
Florida (state) 52
Fort Worth, TX 15
Fresno, CA 11
Georgia (state) 20
Hawaii (state) 25
  • Building Code Rules - Building Code Council State of Hawaii, Department of Accounting and General Services, State Building Code Council · checked November 5, 2026
  • Contractor Frequently Asked Questions State of Hawaii, Department of Commerce and Consumer Affairs, Contractors License Board · checked November 5, 2026
  • Contractors License Board - DCCA Hawaii State of Hawaii, Department of Commerce and Consumer Affairs, Contractors License Board · checked November 5, 2026
  • Hawaii State Building Code State of Hawaii, Department of Accounting and General Services, State Building Code Council · checked November 5, 2026
  • Hawaii State Electrical Code State of Hawaii, Department of Accounting and General Services, State Building Code Council · checked November 5, 2026
  • Hawaii State Energy Code Amendments to the 2018 IECC State of Hawaii, Department of Accounting and General Services, State Building Code Council · checked November 5, 2026
  • Hawaii State Existing Building Code State of Hawaii, Department of Accounting and General Services, State Building Code Council · checked November 5, 2026
  • Hawaii State Fire Code State of Hawaii, State Fire Council · checked November 5, 2026
  • Hawaii State Plumbing Code State of Hawaii, Department of Accounting and General Services, State Building Code Council · checked November 5, 2026
  • Hawaii State Residential Code State of Hawaii, Department of Accounting and General Services, State Building Code Council · checked November 5, 2026
  • HRS 107-24 State of Hawaii, Hawaii Revised Statutes (Legislature) · checked November 5, 2026
  • HRS 107-25 State of Hawaii, Hawaii Revised Statutes (Legislature) · checked November 5, 2026
  • HRS 107-28 State of Hawaii, Hawaii Revised Statutes (Legislature) · checked November 5, 2026
  • HRS 444-2 State of Hawaii, Hawaii Revised Statutes (Legislature) · checked November 7, 2026
  • HRS 444-2.5 State of Hawaii, Hawaii Revised Statutes (Legislature) · checked November 7, 2026
  • HRS 444-23 State of Hawaii, Hawaii Revised Statutes (Legislature) · checked November 5, 2026
  • HRS 444-9 State of Hawaii, Hawaii Revised Statutes (Legislature) · checked November 5, 2026
  • HRS 444-9.1 State of Hawaii, Hawaii Revised Statutes (Legislature) · checked November 7, 2026
  • HRS 46-4 State of Hawaii, Hawaii Revised Statutes (Legislature) · checked November 5, 2026
  • HRS 46-88 State of Hawaii, Hawaii Revised Statutes (Legislature) · checked November 7, 2026
  • HRS 508D-1 State of Hawaii, Hawaii Revised Statutes (Legislature) · checked November 7, 2026
  • HRS 508D-5 State of Hawaii, Hawaii Revised Statutes (Legislature) · checked November 7, 2026
  • HRS 91-13.5 State of Hawaii, Hawaii Revised Statutes (Legislature) · checked November 7, 2026
  • Resolution 25-271 City and County of Honolulu, City Council · checked November 5, 2026
  • Twenty-First Proclamation Relating to Affordable Housing State of Hawaii, Office of the Governor · checked November 5, 2026
Houston, TX 18
Idaho (state) 23
Illinois (state) 19
Indiana (state) 23
Indianapolis, IN 16
Iowa (state) 28
Jacksonville, FL 36
Kansas (state) 48
Kansas City, MO 11
Kentucky (state) 38
  • 201 KAR 11:121 Kentucky Legislative Research Commission, Kentucky Administrative Regulations · checked November 7, 2026
  • 2018 Kentucky Building Code, Fourth Edition Commonwealth of Kentucky, Department of Housing, Buildings and Construction · checked November 6, 2026
  • 2018 Kentucky Residential Code, Third Edition Commonwealth of Kentucky, Department of Housing, Buildings and Construction · checked November 7, 2026
  • 815 KAR 10:060, Standards of Safety Kentucky Legislative Research Commission, Kentucky Administrative Regulations · checked November 5, 2026
  • 815 KAR 20:050, Installation permits Kentucky Legislative Research Commission, Kentucky Administrative Regulations · checked November 7, 2026
  • 815 KAR 35:020, Electrical inspections Kentucky Legislative Research Commission, Kentucky Administrative Regulations · checked November 7, 2026
  • 815 KAR 7:120, Kentucky Building Code Kentucky Legislative Research Commission, Kentucky Administrative Regulations · checked November 6, 2026
  • 815 KAR 7:125, Kentucky Residential Code Kentucky Legislative Research Commission, Kentucky Administrative Regulations · checked November 6, 2026
  • 815 KAR 8:070, Installation permits Kentucky Legislative Research Commission, Kentucky Administrative Regulations · checked November 7, 2026
  • Building Codes Commonwealth of Kentucky, Department of Housing, Buildings and Construction · checked November 5, 2026
  • Codes Currently Adopted by Kentucky Commonwealth of Kentucky, Department of Housing, Buildings and Construction · checked November 6, 2026
  • Contact an Inspector Commonwealth of Kentucky, Department of Housing, Buildings and Construction · checked November 5, 2026
  • Department of Housing, Buildings and Construction Commonwealth of Kentucky, Department of Housing, Buildings and Construction · checked November 5, 2026
  • Division of Building Code Enforcement Commonwealth of Kentucky, Department of Housing, Buildings and Construction · checked November 5, 2026
  • July 15, 2026 NEC Updates Commonwealth of Kentucky, Department of Housing, Buildings and Construction · checked November 5, 2026
  • KREC Form 402, Seller's Disclosure of Property Condition Commonwealth of Kentucky, Kentucky Real Estate Commission · checked November 7, 2026
  • KRS 198B.010 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 5, 2026
  • KRS 198B.050 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 6, 2026
  • KRS 198B.060 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 7, 2026
  • KRS 198B.080 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 5, 2026
  • KRS 198B.120 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 5, 2026
  • KRS 198B.656 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 5, 2026
  • KRS 198B.6671 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 5, 2026
  • KRS 198B.6672 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 7, 2026
  • KRS 198B.674 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 7, 2026
  • KRS 198B.686 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 5, 2026
  • KRS 198B.990 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 5, 2026
  • KRS 227.480 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 7, 2026
  • KRS 227A.020 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 5, 2026
  • KRS 227A.030 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 7, 2026
  • KRS 227A.130 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 5, 2026
  • KRS 318.015 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 5, 2026
  • KRS 318.030 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 5, 2026
  • KRS 318.990 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 5, 2026
  • KRS 324.360 Kentucky General Assembly, Legislative Research Commission, Kentucky Revised Statutes · checked November 7, 2026
  • Licensing Information Commonwealth of Kentucky, Department of Housing, Buildings and Construction · checked November 5, 2026
  • Online Permitting (SmartGov) Commonwealth of Kentucky, Department of Housing, Buildings and Construction · checked November 5, 2026
  • Plan Submission Application Guide for Building Construction (HBC 50-06) Commonwealth of Kentucky, Department of Housing, Buildings and Construction · checked November 7, 2026
Las Vegas, NV 29
Long Beach, CA 19
Los Angeles, CA 16
Louisiana (state) 19
Louisville, KY 18
Maine (state) 43
Maryland (state) 45
Massachusetts (state) 11
Memphis, TN 19
Mesa, AZ 24
Miami, FL 32
Michigan (state) 17
Milwaukee, WI 37
Minneapolis, MN 41
Minnesota (state) 51
Mississippi (state) 10
Missouri (state) 31
Montana (state) 44
Nashville, TN 18
Nebraska (state) 20
Nevada (state) 19
New Hampshire (state) 10
New Jersey (state) 15
New Mexico (state) 29
New York (state) 17
New York City, NY 17
North Carolina (state) 14
North Dakota (state) 22
Oakland, CA 16
Ohio (state) 18
Oklahoma (state) 42
Oklahoma City, OK 22
Omaha, NE 9
Oregon (state) 9
Pennsylvania (state) 18
Philadelphia, PA 16
Phoenix, AZ 22
Portland, OR 23
Raleigh, NC 18
Rhode Island (state) 18
Sacramento, CA 25
San Antonio, TX 20
San Diego, CA 33
San Francisco, CA 35
San Jose, CA 22
Seattle, WA 31
South Carolina (state) 13
South Dakota (state) 40
  • ARSD 20:44:14:01 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • ARSD 20:44:18:01 South Dakota Legislature, Legislative Research Council · checked November 7, 2026
  • ARSD 20:44:18:06 South Dakota Legislature, Legislative Research Council · checked November 7, 2026
  • ARSD 20:44:22:01 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • ARSD 20:54:02:01 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • ARSD 61:15:01:01 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • Contractor's Excise Tax | South Dakota Department of Revenue South Dakota Department of Revenue · checked November 5, 2026
  • Homeowner Plumbing South Dakota Department of Labor & Regulation, South Dakota Plumbing Commission · checked November 7, 2026
  • Homeowner Wiring South Dakota Department of Labor & Regulation, South Dakota Electrical Commission · checked November 7, 2026
  • SDCL 10-46A-12.1 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 10-46A-15 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 11-10-11 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 11-10-12 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 11-10-13 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 11-10-15 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 11-10-5 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 11-10-6 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 11-10-7 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 2-14-16 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 22-6-2 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 34-29B-2 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 36-16-1 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 36-16-14 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 36-16-15 South Dakota Legislature, Legislative Research Council · checked November 7, 2026
  • SDCL 36-16-27 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 36-16-29 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 36-16-34 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 36-16-35 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 36-25-15 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 36-25-16 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 36-25-17 South Dakota Legislature, Legislative Research Council · checked November 7, 2026
  • SDCL 36-25-19.2 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 36-25-30 South Dakota Legislature, Legislative Research Council · checked November 5, 2026
  • SDCL 43-4-37 South Dakota Legislature, Legislative Research Council · checked November 7, 2026
  • SDCL 43-4-38 South Dakota Legislature, Legislative Research Council · checked November 7, 2026
  • SDCL 43-4-42 South Dakota Legislature, Legislative Research Council · checked November 7, 2026
  • SDCL 43-4-43 South Dakota Legislature, Legislative Research Council · checked November 7, 2026
  • SDCL 43-4-44 South Dakota Legislature, Legislative Research Council · checked November 7, 2026
  • South Dakota Electrical Commission South Dakota Department of Labor & Regulation, South Dakota Electrical Commission · checked November 5, 2026
  • South Dakota Plumbing Commission South Dakota Department of Labor & Regulation, South Dakota Plumbing Commission · checked November 5, 2026
Tampa, FL 33
Tennessee (state) 17
Texas (state) 16
Tucson, AZ 26
Tulsa, OK 11
Utah (state) 27
Vermont (state) 24
Virginia (state) 24
Virginia Beach, VA 27
Washington (state) 35
West Virginia (state) 27
Wisconsin (state) 15
Wyoming (state) 11