Prop 13 probably translated into immediate increases that got built-into the prices of houses that were selling at the time — just like tax breaks get priced-into asset prices.
Logical argument. But that’s not what happened.
Years 1982-1984 are the flattest part of the home price curve in the 1975-1990 segment. So, if what you described was the effect in CA it was either overwhelmed or diluted by other effects across the country.