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).
VALUES
O’Connor’s mission is to be the leading property tax advocate for taxpayers and to drive reforms in the Texas property tax appeal process. Our proven solutions continue to help taxpayers reduce their annual property tax rates. We are a pioneering expert in aggressive property tax reduction. O’Connor is also a leading expert in business personal property valuation. The book What You Need to Know about Personal Property Valuation was written by Patrick O’Connor, President of O’Connor.
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Posted on 12/11/2025 with 0 comments | Posted in: 8
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Property Tax Protection Program™ Benefits
No flat fees or upfront costs. No cost ever unless your property taxes are reduced.
All practical efforts are made every year to reduce your property taxes.
Never miss another appeal deadline.
Property taxes protested for you annually.
You do not have to accept the appraisal district's initial guesstimate of value.
We coordinate with you regarding building size / condition to avoid excess taxes.
Free support regarding homestead exemptions.
Some years are good - typically 6 to 7 out of 10 will result in tax reduction for you.
The other 3 to 4 years out of 10 we strike out. Most often due to people issues in the hearing process. Some years we get an easy appraiser at the informal; some years someone who is impossible to settle with.
About O'Connor & Associates
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).
VALUES
O’Connor’s mission is to be the leading property tax advocate for taxpayers and to drive reforms in the Texas property tax appeal process. Our proven solutions continue to help taxpayers reduce their annual property tax rates. We are a pioneering expert in aggressive property tax reduction. O’Connor is also a leading expert in business personal property valuation. The book What You Need to Know about Personal Property Valuation was written by Patrick O’Connor, President of O’Connor.
