How long does a 401k withdrawal take? Screenshot By Gordan Smith On Nov 4, 2022 0 Share Depending on who administers your 401(k) account (typically a brokerage, bank or other financial institution), it can take between three and 10 business days to receive a check after cashing out your 401(k). Continue Reading 0 Share FacebookTwitterGoogle+ReddItWhatsAppPinterestEmail