How old do you have to be to vape? You'll have to be 21 to buy cigarettes or vape products in Washington starting Jan. 1, 2020 KNKX Public Radio 2FIRSTS 2Firsts Interview with Glas Why a California ENDS Company Believes Its Age gated Flavored Vape Could Be Next in Line for FDA Authorization How Old Do You Need to Be to Vape? California's smoking age raised from 18 to 21 under bills signed by Gov. Brown California banned sales of flavored e cigarettes in 2022, but stores are still selling them