The top tax bracket in CA would require you to make well over $1M for a married couple: a rate of 37% federal + 13.3% state. But depending on your definition of

The top tax bracket in CA would require you to make well over $1M for a married couple: a rate of 37% federal + 13.3% state. But depending on your definition of "almost half", this could be much lower - a combined rate of 41.3% starts at about $325k for a couple. These are income taxes only, mandatory medicare and social security taxes add a bit more.