| Election Date | State | Title | Outcome |
|---|---|---|---|
| Nov. 6, 2018 | Arizona | Proposition 126: Amending Article IX of the Arizona Constitution by Amending Section 6 and Adding Section 25, and Amending Article XIII, Section 2, of the Arizona Constitution; Prohibiting the Taxation of Any Service that Was Not Taxed as Of December 31, 2017 | Passed |
| June 5, 2018 | California | Proposition 72: Permits Legislature To Exclude Newly Constructed Rain-Capture Systems From Property Tax Reassessment Requirement | Passed |
| Nov. 6, 2018 | California | Proposition 10: Expands Local Governments' Authority to Enact Rent Control on Residential Property | Failed |
| Nov. 6, 2018 | Florida | Ballot Number 10: State and Local Government Structure and Operation | Passed |
| Nov. 6, 2018 | Oregon | Measure 103: Prohibits taxes/fees based on transactions for "groceries" enacted or amended after September 2017 | Failed |