"After 27 years of marriage, it is with great sadness that we have come to the difficult decision to file for divorce," the reality TV stars said in the statement.
They continued, "We are proud of what we have accomplished together, including raising four wonderful children who have grown to become remarkable adults and building our strong and ongoing successful businesses."
"Our kids and our ever growing family, and the love and support we have for them, will be our priority," they added.
"We will continue to work together side by side in the daily responsibilities for our many current ventures. We would like to thank our family, friends and all our fans for their continued support and understanding during this difficult time."
The Roloffs star in the TLC reality series along with their four children; twins Jeremy and Zack, 25, Molly, 21, and Jacob, 18.