Before you purchase a property you should look up the county tax records to see exactly what your getting into. Certain areas with in city’s have special assessments. Its a good idea for you to see what the assessments are. Here is a link for the Contra Costa County Assessor’s office: http://www.co.contra-costa.ca.us/index.aspx?nid=191
This site could save you in the long run as the only certain things in life are death and taxes.
If you have any questions feel free to call or email.
Have a great afternoon,