State codes and programs matter, but the permit issuer is commonly local. Use a state guide for the framework, then verify the city, county, township or other local authority.
CaliforniaCalifornia uses statewide building standards with local enforcement and local amendments. Wildfire, seismic, coastal, energy and flood considerations can add separate reviews.TexasTexas residential permitting varies sharply by city, county and unincorporated location. Some counties do not issue general residential building permits, while cities may require extensive building and trade permits.FloridaFlorida has a statewide building code enforced through local governments. Wind, flood, coastal, product-approval and contractor requirements are especially important.New YorkMost of New York uses the statewide Uniform Code and Energy Code with local administration; New York City has its own code and permitting system.PennsylvaniaPennsylvania administers the Uniform Construction Code through participating municipalities, certified third-party agencies or the state in limited situations.IllinoisIllinois does not use one universal local residential permit process. Municipal and county requirements, local code adoptions and trade licensing vary.OhioOhio has state building standards, while local certified departments commonly handle residential permits and inspections.GeorgiaGeorgia adopts state minimum construction codes, but local governments administer permits, zoning and inspections.North CarolinaNorth Carolina uses statewide codes with permits and inspections usually handled by county or municipal inspection departments.MichiganMichigan construction codes are administered by state, county, township or municipal enforcing agencies depending on the location.ArizonaArizona local governments adopt and enforce building codes. Desert heat, expansive soils, wildfire, washes and floodplain rules can matter.WashingtonWashington adopts statewide building codes, while cities and counties issue permits and may add local land-use, shoreline and critical-area reviews.MassachusettsMassachusetts uses a statewide building code with local building commissioners and separate local zoning and historic processes.ColoradoColorado building-code adoption and residential permitting are largely local. Mountain, wildfire, snow-load, water and septic conditions may shape projects.New JerseyNew Jersey administers a statewide Uniform Construction Code through local enforcing agencies, with separate zoning and environmental approvals.VirginiaVirginia uses statewide building codes enforced locally by counties, cities and towns, while zoning and land development remain local.