| Election Date | State | Title | Outcome |
|---|---|---|---|
| June 5, 2018 | California | Proposition 70: Requires Legislative Supermajority Vote Approving Use Of Cap-And-Trade Reserve Fund | Failed |
| 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 5: Changes Requirements for Certain Property Owners to Transfer Their Property Tax Base to Replacement Property | Failed |
| Nov. 6, 2018 | California | Proposition 6: Eliminates Certain Road Repair and Transportation Funding. Requires Certain Fuel Taxes and Vehicle Fees Be Approved by the Electorate | Failed |