Political Parties Measure B Measure C Measure D Measure H Republican Party of San Diego County N Y N Y San Diego County Democratic Party Y Y Y Y Non-profits Measure B Measure C Measure D Measure H League of Women Voters of San Diego Y Y Climate Action Campaign Y Y San Diego Regional Chamber of Commerce Y Y Y Sierra Club (California) Y San Diego County Taxpayers Association Y Newspapers Measure B Measure C Measure D Measure H San Diego Union-Tribune N Unions Measure B Measure C Measure D Measure H San Diego County Building and Construction Trades Council Y Y SEIU Local 221 Y Y AFL-CIO Y National Nurses United Y