Master Contract
In 1939, SEIU Local 105 was founded as a union of Denver janitors. Now, eight decades later, over two thousand janitors across Colorado are united under a Master Contract, empowering workers to continue the fight for justice, better wages, benefits, and safer working conditions.
Latest Property Services Updates

105 In the News: Raising Wages in Denver
Read the whole article on 9News here. DENVER — Workers in Denver may see a bump in their first paycheck of 2023. The city’s minimum

Janitors at Coors in Golden Join SEIU 105!
@seiu105 🧹#Janitors at 🍺 #Coors in 🏔#Colorado are 💪 #UnionStrong ♬ original sound – SEIU Local 105 Janitors at Coors Brewery in Golden join SEIU Local

Congratulations to Colorado’s first Green Janitors!
Congratulations to our first Green Janitors in Colorado! Janitors at Civic Center Plaza are proud to have completed the Green Janitorial Education Program and are

Denver Janitors Go Green!
Denver Janitors are going GREEN! Union Janitors at Civic Center Plaza have been proudly engaged in a new Green Janitorial Education Program, giving them the

Master Contract: Victory, wage increases begin today!
Last year, we stood together and won a historic contract with raises and protections for janitors across the Denver metro area. This Friday, January 21st,

Victory! Airport Janitors Win!
VICTORY! Three hundred and fifty of our Denver airport Janitors have won a strong agreement with historic wage increases! Going on strike is never easy.