About



Jeff Allensworth, owner

 Jeff started his window cleaning career in Omaha, NE in the early 1990's, then started his own company in 1996.  He owned and operated his successful window cleaning business, growing it consistently until he sold it in 2015.  After moving to the Denver area, he started Sierra Window Cleaning.  He is honest, hardworking, reliable, and efficient, with an eye for detail.  Jeff is married and has 3 children, and in his free time enjoys hiking, skiing, and traveling with his family.