The oversubscribed round was led by Foundry Group with participation from Greycroft and many of Knock's existing investors, including RRE, First American Financial's venture arm Parker89, Company Ventures, Second Century Ventures, and filmmaker and actor M. Night Shyamalan. The round also attracted other new notable investors, including serial entrepreneur Kevin Ryan of AlleyCorp. Ryan founded some of the most transformative companies in New York, including MongoDB, Business Insider and GILT Groupe, and previously led DoubleClick as CEO through its $3 billion acquisition by Google. Knock has now raised a total of $900 million of debt and equity since its founding in 2015.

Knock is rewriting the rules of homeownership with mobile technology and innovative home financing solutions that make all homebuyers Power Buyers. Knock's flagship Home Swap™ product empowers consumers with a non-contingent offer on their phone to buy the home they want before selling the home they have, providing certainty knowing you've found your dream home and the convenience of not having to live through repairs or showings. Knock GO™ (Guaranteed Offer) is a cash-like home loan solution for first-time homebuyers looking to compete in today's hot housing market.