Commercial Real Estate: Find commercial real estate for sale, real estate investment property, income property, a duplex, a fourplex, multifamily, and apartment property for sale in Seattle, Washington with the Jon Miller Team. We help our clients who are in the process of buying rental property find rental property for sale in Washington State. This site is updated regularly with Seattle commercial real estate. As a Washington CPA and real estate agent, Jon can assist you with a 1031 tax free exchange.