The Cook County property tax system’s transition from a 50-year-old information technology system has had its share of missteps and delays due to its vendor, Tyler Technologies. But in any transition of this scope and size, unexpected problems will occur on the path to a more stable and predictable system. Focusing only on the difficulties misses the collective efforts of the assessor’s office and other Cook County property tax offices to solve these problems.

In the first five years of the Tyler contract, which was signed three years before I became assessor, no meaningful progress was made. But in 2020, we were the first office to go live in the new system with a new online appeals platform. Without this initiative by my office, the work of the property tax system would have ground to a

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