Webexplore the intricacies of transferring property tax bases in california. Webproperty & tax information. Webour san joaquin county property tax calculator can estimate your property taxes based on similar properties, and show you how your property tax burden compares to. Webthe county assessor has a constitutional responsibility to determine the value of and assess all taxable property in the county. That assessment is used to compute the. Webassessment map page guide. Disclaimer the sole purpose of this document is for the assessment and collection of county property taxes.