CA FTB Tax Forms
http://www.Forms and Publications | California Franchise Tax Board.ca.gov/forms/search/

2017 CA Tax Rates
https://www.ftb.ca.gov/forms/.shtml

2018 CA Tax Rates

https://www.ftb.ca.gov/forms/2018-California-Tax-Rates-and-Exemptions.shtml

CA Sales Tax
http://www.boe.ca.gov/sutax/sutprograms.htm

CA Payroll Taxes
http://www.edd.ca.gov/Payroll_Taxes/

CA Secretary of State
http://www.sos.ca.gov/business/be/