Data Sources
The official agencies and programs behind every figure on this site.
Vehicle & EV
- California Air Resources Board (CARB) — MyFirstEV, Clean Cars 4 All, Clean Air Vehicle sticker program
- DriveClean.ca.gov — official EV incentive application portal
Utilities & Benefits
- California Public Utilities Commission (CPUC) — CARE, FERA program rules and income thresholds
- California Department of Community Services & Development — LIHEAP / Energy Savings Assistance
Employment
- California Department of Industrial Relations (DIR) — minimum wage, exempt salary threshold, healthcare worker wage rules
Property
- California State Board of Equalization (BOE) — homeowners' and disabled veterans' exemptions, welfare exemption (Publication 149, Organizational Clearance Certificates), Prop 19 base year value transfer rules
Business
- California Franchise Tax Board (FTB) — LLC annual tax and gross receipts fee
- California Secretary of State (bizfile) — Statement of Information filing periods, fees and delinquency
- California Legislative Information (leginfo.legislature.ca.gov) — Corporations Code §§17702.09, 1502, 17713.07 and Business & Professions Code §§17900–17930 (fictitious business names)
- County clerk-recorder offices — fictitious business name filing fees and procedures vary by county
- County assessor offices — property tax exemption claims (homeowners', disabled veterans', welfare) are filed with the assessor of the county where the property is located
Each tool page also links directly to its specific official source in the "How this is calculated" section.