Irrigation permit requirements vary dramatically by state — and often by county or city. Use this directory to find your state's specific rules. Each state guide covers: permit requirement status, contractor licensing requirements, homeowner self-install eligibility, backflow preventer type required, and annual testing obligations.

Key: Permit/License Required   Conditional or Local Only


Not Sure Where to Start?

Use the Irrigation Permit Checker to answer 3 questions and get a personalized summary of requirements for your state, project type, and installer status. Or download the free Irrigation Permit Checklist to prepare for your building department visit.