• 2200 North Loop West, Suite 310 Houston, TX 77018
  • 888-666-1876

About Us

Property tax advisors

O’Connor is the largest property tax consulting firm in the United States. O’Connor’s consultants are licensed and trained professionals who specialize in Hotel and Commercial Properties. Only O’Connor consultants and anyone authorized by O’Connor can use our breakthrough proprietary O’Connor Approach to achieve extraordinary Results!

Our Approach has created a breakthrough solution to the problem which when applied properly, will lead to our clients paying far lower property taxes than ever before
  • O’Connor represents over 350,000 Properties, including 5,000+ Hotels.
  • O’Connor has 1000+ Professionals worldwide, providing property tax consulting, cost segregation, and appraisal services in all 50 states.
  • O’Connor coordinates with Property Tax Attorney’s and Appraisers in every state to maximize property tax reductions.

O’Connor does not charge hotel owners any upfront fees. O’Connor share a small percentage of actual Property tax savings to cover our costs, owner keeps most of the savings. Our contingency fees include all expenses: attorney, filing fees, court costs, and appraisal fees if needed.


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.

National Commercial & Hotel Division Leadership

Abraham Tieh | National Property Tax

Abraham Tieh

Director of National Commercial Property Tax

CHIA, Real Estate Broker, Senior Property Tax Consultant

Andrew Choy | Property tax consultant

Andrew Choy

Director of National Hotel Tax Division

CHIA, Senior Property Tax Consultant, Real Estate Broker & Developer

National Hotel Team

Mona Govahi | National property tax

Mona Govahi

National Business Development Manager

Peter Bach | Property tax consultant

Peter Bach

Licensed National Commercial Property Tax Consultant

Hemin Patel | National Property Tax Agent

Hemin Patel

National Property Tax Agent

Jenny Le | National property tax

Jenny Le

National Operations Manager

Melissa Colmenero | National property tax

Melissa Colmenero

National Marketing Coordinator

Ravi Sarolia | Property tax consultant

Ravi Sarolia

National Property Tax Consultant

Corporate Leadership

Patrick O'Connor | National property tax


Our Approach has created a breakthrough solution to the problem which when applied properly, will lead to our clients paying far lower property taxes than ever before

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.

Mike Olivares | National property tax


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.

Doug Ford | Property tax consultant


Manager of Commercial TaxProperty 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.

Tonya Felix | National Property tax


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.

Sari Quinlan | Federal tax reduction


Director of Federal Tax Reduction

After joining O’Connor in 2012, Sari has built expertise across multiple divisions of the company. With a background in real estate, she onboarded as a property tax agent, but since 2017, Sari has specialized in the cost segregation process, providing federal tax relief to commercial property owners . As the leader of the Federal Tax Reduction team, Sari is also part of the Executive Committee, contributing knowledge as a subject matter expert to the leadership of the company.


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