Full service commercial real estate brokerage - Buyer and Tenant Representation, Investment Properties and Syndications. Sycamore Commercial Properties is a full-service commercial real estate brokerage based in Houston, Texas. We are a client driven organization, choosing to develop long-term relationships. Whether you are an entrepreneur seeking to lease your first retail space or an experienced investor looking to add to your existing portfolio of income producing properties, we have the information, discipline and process driven approach to help you be successful.