All negotiations in Arizona and with people owning property in. Arizona must be conducted through the Arizona broker.This guide provides information for insurance agents to help mortgage brokers obtain an Arizona Commercial Mortgage Broker Bond. Commercial real estate agents specialize in the buying and selling of commercial (business) properties. A commercial real estate broker is the expert intermediary between landlords and tenants. This document includes instructions for a company (corporation location) new application request. COBE is a full-service, experienced commercial real estate brokerage that helps tenants and buyers find a commercial property they need in Phoenix, AZ. An applicant for an original mortgage broker's license shall: 1. Have not less than three years' experience as a mortgage broker or loan originator. Complete a 90-hour broker pre-licensing education course.