Get paid what you're worth! Solid understanding of sales processes; real estate experience is a bonus.A real estate broker in Washington State is a licensed professional who helps clients buy, sell, and lease residential, commercial, or industrial properties. The yearly median salary is something like 48K, but the bottom percentile agents make around 25K and the top ten percent make somewhere in the 100K range. University of Washington offers a certificate program in commercial real estate, with flexible evening and weekend classes to fit your schedule. A definitive guide on the differences in salary, licence, experience, and daytoday of commercial vs. Residential real estate agents. Click here for a definitive guide on commercial real estate commission - how it works, average commissions, and more. A definitive guide on the differences in salary, licence, experience, and daytoday of commercial vs. Residential real estate agents.