| Election Date | State | Title | Outcome |
|---|---|---|---|
| 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 1: Authorizes Bonds to Fund Specified Housing Assistance Programs | Passed |
| Nov. 6, 2018 | California | Proposition 2: Authorizes Bonds to Fund Existing Housing Program for Individuals with Mental Illness | 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 10: Expands Local Governments' Authority to Enact Rent Control on Residential Property | Failed |