O’Connor – Tax reduction experts

O’Connor is the largest property tax consulting firm 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 550 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 2018, the firm filed more than 190,000 protests on behalf of its residential and commercial clients. This lowered assessed values by $2 billion.
• For the 2017 tax year, the firm lowered assessed values by more than $1.6 billion. The appeals resulted in an estimated tax savings of around $44 million (not including exemption data).