Construction crews have quietly rolled onto Bayer’s Creve Coeur campus, signaling that a long‑planned overhaul of the former Monsanto site is no longer just a PowerPoint slide. The company is moving ahead with a roughly $100 million renovation of its St. Louis‑area offices to modernize labs, conference rooms and workspaces. Local permit filings already show more than $15 million in active work, a clear signal the project has shifted from planning into construction as Bayer reshapes the campus and consolidates space for hybrid work.
According to the St. Louis Business Journal, building permits tied to the Creve Coeur property list multiple projects whose combined valuations exceed $15 million and indicate that contractors have already mobilized on site. The Business Journal’s reporting is the clearest indication so far that Bayer’s long‑announced investment has officially entered the build phase.
As outlined by Bayer, the company announced in August 2024 that it planned to invest more than $100 million into its St. Louis campuses while putting portions of the Creve Coeur property on the market. The plan calls for modern, collaborative office space along with new investment in labs and greenhouses that support its Crop Science operations…