Thornton Properties was founded in 1985 and remains a family owned and operated business. Today we lead the Guntersville area rental market, managing over 150 Residential Rentals, Commercial Buildings, and Vacation Rentals, with continued expansion always a topic of conversation.

Robert Thornton ( January 29th, 1937 to January 6, 2016) founded the property management company, Thornton Properties, when receiving his Realtors License in 1985 in Guntersville, Alabama. He received his Brokers License in 1990 and holds GRI/CRS Designations. In 1997, he expanded his management of Single Family Homes & Commercial Buildings to include Vacation Rentals. He has always been very involved in the Board of Realtors, holding the positions of Past President of Marshall County Board of Realtors & Past State Director of Alabama Board of Realtors. Robert is also a Life Member of the Marshall County Million Dollar Club. In 2011 Robert turned the business over to his sonís Mark and Lief Thornton.
Robert Thornton  
Mark Thornton received his Realtors license in 1999, after graduating the University of Alabama and joined his father Robert in property management and listing and selling real estate. In 2005 Mark co-founded Mountain Lakes Real Estate. With the retirement of Robert Thornton in 2011, Mark and Lief Thornton took over the reigns of Thornton Properties and are continuing to grow the company.
Mark Thornton  
After completing four years in the Army, including two tours of Kosovo, Lief Thornton received his Realtors license in 2003 and joined the family business. In 2005 Lief co-founded Mountain Lakes Real Estate. Lief earned his brokers license in 2009. With the retirement of Robert Thornton in 2011, Mark and Lief Thornton took over the reigns of Thornton Properties and are continuing to grow the company.
Lief Thornton  
Joining Thornton Properties and sister-company Mountain Lakes Real Estate 2005 doing administrative work and advertising, Julie Marion began working as Residential Rental Specialist exclusively for Thornton Properties in 2006. In 2013 Julie took the position of Office Manager/Residential Rental Specialist. Julie was born and raised in Arab, Alabama and moved to Guntersville in 2002.
Julie Marion  
Rachel began working for Mountain Lakes Real Estate and Thornton Properties in 2007, as a marketing and administrative assistant. After meeting through work, Rachel married co-worker Julie Marionís brother Tom in 2008. After years of book keeping and accounting work for Thornton Properties vacation rental program, Rachel became the Vacation Rental Specialist in 2013. Rachel graduated Snead State Community College and is originally from Albertville. She now lives in Arab, Alabama.
Rachael Marion