Company History Founded in 1972, Dufour Realty succeeded in becoming Chico's premier Real Estate Company. In 1982, the company joined forces with Coldwell Banker to become Coldwell Banker Dufour Realty. Locally owned and operated, the company provides residential and commercial property services and has received numerous awards as a Premier Office. The professionals at Coldwell Banker Dufour Realty represent the highest professionals and ethical standards in the industry, and the true dedication to their clients distinguishes them from the competition.