Butterfly Pavilion STEM project stalls; FirstBank Center demolition and RFP aim to spur mixed‑use redevelopment

Mar 5, 2025

Mayor Gaylene Castriada said the Butterfly Pavilion STEM school and related development funding proved infeasible; demolition of the former event center is nearly complete and the city issued an RFP for mixed‑use redevelopment with submissions due May 5. Developers will seek final BID and URA approvals March 25 for Broomfield Town Square.

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Mayor Gaylene Castriada told attendees that the Butterfly Pavilion component of a planned STEM school at Baseline was unable to raise sufficient capital and will not proceed as originally planned. She said the Butterfly Pavilion building was previously estimated at $80 million to $100 million and that the city had committed $12.5 million toward the project, but the mayor said rising costs, financing conditions and leadership transitions made the project unviable.

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