OTC uses the data generated from the Ratio Study Spreadsheet Export to figure the ratios for Questions 1-3 below.
Question 1 – (A&B) up to 50 points deducted total
1a – Residential CAMA Appraisal to Sales median falls between:
- 90%-110% – County is in compliance no points deducted o 85%-90% or 111%-115% – County is in partial compliance – 15 points deducted o Below 85% or above 115% – County is not in compliance – 30 points deducted
1b – Commercial CAMA Appraisal to Sales median falls between:
- 85%-115% – County is in compliance no points deducted o 70%-84% or 115%-130% – County is in partial compliance – 10 points deducted o Below 70% or above 130% – County is not in compliance – 20 points deducted
Question 2 – (A&B) Up to 40 points deducted total
2a – Residential Coefficient of Dispersion
- Less than or equal to 20% – County is in compliance no points deducted o Between 21%-30% – County is in partial compliance – 10 points deducted o Over 30% – County is not in compliance – 20 points deducted
2b – Commercial Coefficient of Dispersion
- Less than or equal to 20% – County is in compliance no points deducted o Between 21%-35% – County is in partial compliance – 10 points deducted o Over 35% – County is not in compliance – 20 points deducted
Question 3 – Up to 10 points deducted
Residential Market / Use Related Differential or Price Related Differential (PRD) is:
- .98-1.03 – County is in compliance no points deducted o .90-.97 or 1.04-1.11 – County is in partial compliance – 5 points deducted o Below .80 or above 1.21 – County is not in compliance – 10 points deducted The Sales Ratio Study will continue to follow the same IAAO Standard Procedure, however even though the Assessed Mean, Median, and other Ration Study Information shall be collected and presented, a County Shall Not have any points deducted for anything not listed above as the Audit.
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