Brookfield Zoo Custodial and Facilities Crews Win Pay Raise After Strike

May 7, 2026

As of Wednesday morning, Brookfield Zoo Chicago has reached a tentative agreement with Teamsters Local 727 to end a three-day strike of about 100 staff workers from the grounds, custodial, and facilities teams, CBS News reported. The zoo and more than 200 union-represented employees in the zoo’s grounds, custodial, and facilities teams reached a four-year collective bargaining agreement that includes a 20% wage increase over the contract.

The agreement includes enhancements to staffing for the zoo’s animal care and facilities teams, in addition to three positions already posted for hiring. The terms also include a continuation of a healthcare plan through increased contributions from the zoo. Teamsters Local 727 now need to vote on the agreement, but zoo operations have continued through this process. Employees will return to work once the agreement is finalized.

“Today is an important and positive moment for Brookfield Zoo Chicago, and we are excited to welcome our team members back as we move forward together in our shared dedication to our people, the animals in our care, and the communities we serve,” said Dr. Mike Adkesson, president and CEO of Brookfield Zoo Chicago. “This zoo has always been powered by people who care deeply about one another and our mission, and this agreement reflects a commitment to continuing to provide exceptional care and educational experiences for our guests while supporting the long-term health and sustainability of the zoo.”

“We appreciate the dedication of our staff, the professionalism of the bargaining teams, and the patience and support of our guests and community during this time,” Adkesson said. “We are focused on continuing the important work of our mission and advancing our animal care, conservation, and education priorities.”

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