Thimgan & Associates are ad valorem valuation consultants, specializing in ratio study applications, valuation review, modeling concepts and education. The principles in Thimgan & Associates have many years of experience in the assessment and appraisal field. They have provided assistance to many State and County governments as well as developing various publications, workshops and seminars for the International Association of Assessing Officers.

Thimgan & Associates can provide specific assistance in the following areas: collection and verification of appraisal data; database development; review of county valuation procedures; review of county assessment procedures; regression analysis and model building for single family residential, multi-family, condominiums, townhomes, vacant land, and commercial properties.

Thimgan & Associates also provides training in the use of ratio studies, time trend analysis, and valuation model building using multiple regression analysis. Training is also available for specific topics such as sales validation or going concern value or any other topic of interest to a particular jurisdiction.