I don't believe prop 13 allows decreasing the assessed value due to depreciation, although I could be mistaken. From what I understand (and is the case with my

I don't believe prop 13 allows decreasing the assessed value due to depreciation, although I could be mistaken. From what I understand (and is the case with my personally owned home) the assessed tax value of the property is the sale price and then goes up a max of 2% per year or the inflation rate.