About Us

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.
  • The firm filed appeals on over 200,000 properties and lowered assessment values by more than $2 billion each year


O’Connor’s mission is to be the leading property tax advocate for taxpayers and to drive reforms in the property tax appeal process. Our proven solutions continue to help taxpayers reduce their annual property tax assessments. We are a pioneering expert in aggressive property tax reduction. O’Connor is also a leading expert in business personal property valuation.

Corporate Leadership

Owner & President
MAI Appraiser, MBA Harvard
Patrick O’Connor has been active in reducing property taxes, providing expert witness testimony and appraising commercial real estate property since 1983. Pat is active in publishing analysis and data with respect to the real estate market. He holds a MAI, the highest achievable designation from the Appraisal Institute, and is a licensed senior property tax consultant. Pat earned a Master of Business Administration from Harvard University.

Chief Operating Officer
Mike Olivares has served as O’Connor’s Chief Operating Officer since 2014. He has more than 25 years of consulting and operational management experience in the information technology, retail and real estate industries. Mike’s real estate background includes software consulting, federal tax reduction, and property tax reduction consulting. As Chief Operating Officer he maintains primary responsibility for O’Connor’s property tax division, leading his team in the protest of 195,000 to over 200,000 properties per year.

Manager of Commercial Tax
Property Tax Division, Senior Property Tax Consultant
With a 25-year background in commercial and multifamily property management, Doug Ford is a Senior Licensed Property Tax Consultant and Supervisor of the Commercial Property Tax Division. His skill as an analyst for apartment acquisitions contributes to his success in assessment reductions in this specialty area. He is involved in the Institute of Real Estate Management and has been a director for the Apartment Association of Tarrant County.

General Counsel
Tonya Felix-Davis serves as the general counsel for O’Connor. She received a Bachelor of Science degree in consumer science and merchandising from the University of Houston and a Juris Doctor degree from South Texas College of Law. In addition, Felix-Davis holds bar and court admissions from the State Bar of Texas, U.S. District Court for the Southern District of Texas, and U.S. Court of Appeals for the 5th Circuit

National Director
Federal Tax Reduction, Cost Segregation
Roger Hibbs is the national director for O’Connor’s Federal Tax Reduction division. Roger has a combined 26 years of experience in commercial real estate and has been dedicated to federal tax reduction for commercial property owners since 2005. Roger directs a team of real estate professionals whose combined efforts have provided more than 5,000 cost segregation studies resulting in millions of dollars of tax reduction for O’Connor’s clients.

National Commercial & Hotel Division Leadership

Director of National Commercial Tax Operation,
CHIA, Real Estate Broker, Senior Property Tax Consultant
Abraham Tieh is a senior commercial property tax consultant at O’Connor. He is a licensed senior property tax consultant and licensed real estate broker with over 30 years of commercial real estate investment experience. He has attended over 2,000 property tax protest hearings resulting in over $250 millions of dollars of value reductions for his clients. He is an expert in determining intangible business value of franchise and brands

Director of National Hotel Tax Division,
CHIA, Senior Property Tax Consultant,
Real Estate Broker & Developer
Andrew Choy is a licensed real estate broker, Senior Property Tax Consultant, a book author, and a prominent real estate developer. Choy was a recipient of many top industry awards including Developer of the Year, Entrepreneur of the Year, and Best Overall Marketed Project in the nation awards. Choy has 35+ years experience in property management, consulting, sales, marketing, construction, accounting and property tax. Choy created a proprietary methodology to calculate and deduct nontaxable intangible business value of a hotel’s flag.

National Hotel Team

Licensed National Commercial Property Tax Consultant,
Business Development
Mayur Desai is a licensed commercial property tax consultant and a top analyst with a MBA degree. His family and friends are hotel owners, thus providing valuable knowledge how to best serve our hotel clients.

National Comercial Tax Division Coordinator,
Licensed Property tax consultant,
Business Development
Mona Govahi is an attorney-at-law (foreign) with a paralegal certificate in Texas. She is the National Commercial Tax Division coordinator, a licensed property tax consultant, a liason of nationwide affiliated attorneys and appraisers, customer relations, and business development

National Commercial Tax Division,
Executive Assistant
Jenny Le is the executive assistant to Andrew Choy. She handles various administrative, accounting and marketing tasks.

National Hotel Marketing Coordinator

Licensed National Commercial Property Tax Consultant

National Hotel Analyst / Business Development Assoc.

National Hotel Property Tax Analyst

ENROLL TODAY In the Property Tax Protection Program

Your property taxes will be aggressively protested every year by the #1 property tax firm in the country. If your taxes are not reduced you PAY NOTHING, and a portion of the tax savings is the only fee you pay when your taxes are reduced! Many FREE benefits come with enrollment.

  • property-tax-hotel-owners-association
  • Inc-5000
  • Ahla Silver Partner

The valuation of lodging facilities is a highly specialized art and is one of the most challenging tasks for appraisal districts as well as for property tax consultants. O’connor’s hotel specialists have delivered a proprietary methodology to measure Intangible Business Enterprises Value for each hotel flag. It also effectively brings the value of newly completed hotels significantly lower while other consultants failed.

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Schedule A Free Consultation

  • I would like to find out more about how O’Connor can reduce my hotel property taxes. I want to discuss with a hotel tax reduction specialist.
  • I would like to find out more about how O’Connor can reduce my hotel property taxes. I want to discuss with a hotel tax reduction specialist.

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