Santa Ana Plumber License Requirements (2026)

📋 Your checklist

State

1. CSLB C-36 Plumbing contractor license
   Plumbing contracting needs a CSLB license in the C-36 class.
   ⏰ Active licenses expire every two years (verify your date on CSLB)
   Source: California CSLB: License classifications · California CSLB: Who needs a contractor license · California CSLB: General renewal information
2. Secretary of State and Franchise Tax Board filings
   LLCs and corporations file a Statement of Information ($20 or $25) and most businesses pay at least $800 a year in Franchise Tax. A business name other than your own is filed with your county.
   ⏰ Statement of Information: frequency depends on entity type (verify). Franchise tax: yearly
   Source: California Secretary of State: Business entities FAQs

Local (Santa Ana / Orange County)

1. City of Santa Ana Business License
   A separate license is needed for each location and each different business classification. Businesses in commercial areas need a code compliance (zoning) inspection. DBA names are registered with the Orange County Recorder.
   ⏰ Annual (verify your renewal date on your notice)
   Source: City of Santa Ana: General information for business licenses