About Rick
A broker who still leads from the table.
Rick Diaz is Broker Associate | Team Lead of Mainstreet Group at Compass. He previously served as President and Broker of Mainstreet Realtors and works from the Rancho Cucamonga office. With more than 25 years of local experience, he leads 25 agents serving Rancho Cucamonga, Upland, Ontario, and the entire Inland Valley. The team has closed more than 5,000 homes, served more than 4,700 families, and built more than $3 billion in career sales volume.
In 2026, Mainstreet moved to Compass, keeping its culture and adding a stronger platform. Rick sits down with agents considering a move, recaps the conversation in writing, and stays available for questions.
Rick Diaz · Broker Associate | Team Lead, Mainstreet Group at Compass
DRE Lic. # 01380372
10300 4th Street, Ste 100, Rancho Cucamonga, CA 91730
909.373.2200 · Rick@mainstreetgroup.com
calendly.com/rickdiaz