About Us

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 200,000+ Properties, including 5,000+ Hotels
  • O’Connor has 700+ Professionals worldwide, providing property tax consulting, cost segregation, and appraisal services in all 50 states.
  • O’Connor coordinates with 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 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

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 Property Tax Business Development Manager
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

Licensed National Commercial Property Tax Consultant

National Hotel Analyst / Business Development Assoc.

National Property Tax Operations Manager
Jenny Le is the executive assistant to Andrew Choy. She handles various administrative, accounting and marketing tasks.

National Hotel Marketing Coordinator

Start with your free property tax analysis to see your potential savings

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  • 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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