Celebrating 40 Years of Excellence Service in East Tennessee. Our roots go back to Billy Williams who founded his company in ... 1976. In 1978 he made the move to become CENTURY 21. They have set the standards of professionalism, quality service and life enrichment that we continue to follow today. We now have 6 offices in East Tennessee to serve you. 93 N. Rufe Taylor Rd. Greeneville, TN 37745 423.639.6781 210 Colonial Heights Rd. Kingsport, TN 37663 423.239.6112 217 Broad Street Kingsport, TN 37660 423.247.8107 #3 Limited Centre Johnson City, TN 37604 423.282.1885 6000 Walden Drive, Suite 102 Knoxville, TN 37919 865.531.2121 11167 Kingston Pike Knoxville, TN 37934 865.966.2121 We want more than anything, that each and every one that we work with comes away with a feeling of real satisfaction. In order to achieve this, we train hard working professionals who know the ins and outs of the area real estate market. Thank you for visiting us, we look forward to working with you and providing you with the best experience possible. Each office is independently owned and operated. read more