Welcome to CGS!

Our mission is to serve, with excellence, by providing custodial services, pest management, grounds maintenance, and landscape design services in the support of a safe, functional, and attractive campus environment.


We are Hiring

Custodial Services provides cleaning services to University of Michigan administrative and academic buildings on the Ann Arbor campus. We service over 13 million square feet of floor space in over 250 buildings. Building Services employs over 400 people consisting of custodial, pest management, support, administrative and managerial staff.

Become a part of our dedicated professional team by applying on Umich career website!

worker vacuuming
battery powered zero turn mowers

News & Events

Battery-powered Equipment Reduce Carbon Footprint

CGS recently purchased an array of battery powered lawn and landscape equipment to replace its existing fossil fuel based equipment including: zero-turn mowers, push mowers, string trimmers, sidewalk edgers, blowers, hedge trimmers and chainsaws. The cost of the initiative is around $492,000 with an estimated payback in maintenance and fuel savings in six to eight years. More than 80% of all routine landscaping activities on campus will be performed by battery-powered equipment.

Staff Highlight

Vemme Ventura

Custodian I

Vemme Ventura

Staff Highlight


Jerry Liu

Custodian II

Ron Blaszczyk

Custodial Supervisor 

Tony Alston, Broderick Smith Sr., Kenneth Chambers


Tony Alston, Broderick Smith Sr., Kenneth Chambers