Nationally Recognized Assessment Auditing Expertise

Ruel Williamson, Senior Analyst

Greenfield understands all the processes and procedures related to mass appraisal.  These range from developing project specifications, quality control and quality assurance, data collection, valuation, appeal processes, and communications.  Our experienced team has worked in many jurisdictions across the globe, giving us a unique and extensive knowledge of appraisal systems.  We can design an approach that works for both the short- and long-term plans of your organization.

Ruel Williamson leads our tax assessment and auditing team. He is a nationally recognized expert in the field with more than 25 years of experience. Government agencies of all sizes have turned to Williamson when their tax assessment departments need new software, updated processes and procedures, and training.

Consulting Services

  • Assessment administration
  • Appraisal education
  • Performance audits
  • Project planning and monitoring
  • Strategic planning
  • Mass appraisal consulting
  • Market modeling/AVM creation
  • Contaminated property valuation
  • Trophy property valuation
  • Ratio studies, advanced statistical analysis and equalization
  • Quality assurance/Quality control
  • Tax policy

Call us today to find out how we can help you build a plan to meet all of your auditing and appraisal process needs.