By law, salaries of public sector employees are public knowledge.
I think this is the same data that is seen here: http://www.mercurynews.com/salaries/bay-area?Entity=Bay%20Ar...
I think this is the same data that is seen here: http://www.mercurynews.com/salaries/bay-area?Entity=Bay%20Ar...
Though there's an error in the data. Starting at row #1001 ("Caldwell"), the "base" column seems to have disappeared.