Does Quicken Loans Operate in My Area? Quicken Loans has a reputation as a heavy-hitter in the mortgage space. Quicken, which was founded in 1985, announced in e the nation's largest residential mortgage lender with a total loan volume of $83.4 billion. Headquartered in Detroit, Quicken Loans has provided more than two million American families with mortgages. Quicken Loans is the largest online retail...