The Newsroom of O'Connor

O’Connor is among the largest property tax consulting firms in the United States. O’Connor’s team of professionals possess the resources and unparalleled market expertise in the areas of property tax, cost segregation, and commercial and residential real estate appraisals. The firm was founded in 1974 and employs more than 600 professionals worldwide. With our proprietary protest filing system, we coordinate more lawsuits and settle more binding arbitration cases than any other tax consulting firm in the nation. O’Connor provides its customers with property tax protest values ranging from $5,000 to $100 million. In 2022, O’Connor saved clients more than $168 million in property taxes.