| Election Date | State | Title | Outcome |
|---|---|---|---|
| Nov. 4, 2008 | Oklahoma | State Question 741: Property Tax Exemption Application | Passed |
| Nov. 4, 2008 | Oklahoma | State Question 735: Property Tax Exemption for Injured Veterans | Passed |
| Nov. 6, 2012 | Oklahoma | State Question No. 758: Amends Section 8B, Article 10 of State Constitution - Ad Valorem Taxation Limitation on Valuation Increases | Passed |
| Nov. 6, 2012 | Oklahoma | State Question No. 766: This Measure Would Exempt all Intangible Personal Property from Ad Valorem Property Taxation | Passed |
| Nov. 8, 2016 | Oklahoma | Legislative Referendum Number 370: State Question 792 | Passed |
| Nov. 8, 2016 | Oklahoma | Initiative Petition Number 403: State Question 779 | Failed |