O’Connor is a leading expert in property tax reduction and full-service real estate company based in Houston, Texas. O’Connor is known for its creativity, aggressiveness, data resources, and experience in property tax appeals.  

O'Connor is regarded as one of the most successful property tax consulting firms and is so confident in its operations that O'Connor will only charge if their team successfully reduces their clients' property taxes.  

Patrick O’Connor, who holds a MAI, the highest achievable designation from the Appraisal Institute and a MBA from Harvard, started the business in 1974 as an appraisal company. Today, O'Connor proudly celebrates over 50 years of helping clients reduce their property taxes. With a global team of more than 1,000 professionals, O'Connor represents over 350,000 properties across every state and is now expanding into Canada.


O’Connor operates under four main businesses: property tax appeal and consulting, appraisal, cost segregation and data subsidiary servicing appraisers. 

To effectively appeal a property tax reduction against tax assessors, four key components are essential. O'Connor offers all four components at no extra charge:

  • Experienced Consultant
  • Property Tax Appraiser
  • Property Tax Attorney
  • Massive Data Resources


The O’Connor Approach®, a proprietary methodology, is a major breakthrough in the industry and saved their clients over $215 Million in property taxes in 2023.

Visit: nationalpropertytax.com

Call: 1.888.666.1876 


Mona Govahi

National Property Tax Business Development Manager

mgovahi@poconnor.com 

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