no. this is a withholding tax as a prepayment to Ca for the tax on the gain. when you file your Ca return this will be treated as withholding, just like state withholding on a w-2, which will reduce the balance owed or increase your refund.
http://nealweichel.com/i/uploads/nealweichel/2016/05/California-Withholding-Tax-on-the-Sale-of-Real-...
