Legal Question in Real Estate Law in California

Where is it? Who is the "they" that wants to charge you interest, the taxing authority or the time share operator? California counties impose penalties for late payment as well as charging interest. Typically, late-paid taxes incur a 10% one-time penalty and bear interest at 1.5% per month. There is also a $20 billing fee added when the second of the two annual instalments is late. These are county government charges, authorized in the Revenue & Taxation Code. As to whether a time-share can impose additional interest charges, I don't know; that would depend upon your contract. Generally, however, the non-governmental party (the time-share operator) cannot impose a penalty, but could charge interest if they have paid taxes on your behalf and you haven't reimbursed it.