California candidates and campaign finance information
Here are great links to a search tool on the California Secretary of State website called Power Search which lets you “Follow The Money” for California candidates and campaigns.
Federal candidates and campaign finance information
Search the Federal Election Commission Campaign Finance Portal for contributions to Federal candidates, committees and SuperPACs.
County, City and Special District and ballot measure campaign finance reports
Local candidates and ballot measure campaign committees are required to file FPPC reports at the County Clerk’s Office.