Alameda
- March 17, 2015 - State Senate District 7, Special Primary Election
- May 19, 2015 - State Senate District 7, Special General Election
Colusa
- November 3, 2015 - Uniform District Election Law (UDEL)
Contra Costa
- March 17, 2015 - State Senate District 7, Special Primary Election
- May 5, 2015 - San Ramon Valley School District Mail Ballot Election
- May 19, 2015 - State Senate District 7, Special General Election
- November 3, 2015 - Uniform District Election Law (UDEL)
El Dorado
- March 31, 2015 - Audubon Hills Community Services District Recall
- May 5, 2015 - Many Oaks Lane Zone of Benefit
- November 3, 2015 - Uniform District Election Law (UDEL)
Fresno
- November 3, 2015 - Uniform District Election Law (UDEL)
Glenn
- August 25, 2015 - Landowner District Election
- October 27, 2015 - Landowner District Election
Humboldt
- November 3, 2015 - Uniform District Election Law (UDEL)
Imperial
- November 3, 2015 - Uniform District Election Law (UDEL)
Inyo
- November 3, 2015 - Uniform District Election Law (UDEL)
Kern
- March 3, 2015 - Special Runoff
- November 3, 2015 - Uniform District Election Law (UDEL)
Lassen
- May 5, 2015 - Formation of the Southern Cascades Community Services District Special All Mail Ballot Election
Kings
- November 3, 2015 - Uniform District Election Law (UDEL)
Lake
- November 3, 2015 - Uniform District Election Law (UDEL)
Los Angeles
- March 3, 2015 - City of Bell, Cudahy, and Huntington Consolidated
- March 10, 2015 - San Marino Unified School District Special Parcel Tax
- March 17, 2015 - State Senate District 21, Special Primary Election
- August 11, 2015 - Los Angeles County Employees Retirement Association Election
- November 3, 2015 - Local and Municipal Consolidated Elections
Madera
- September 1, 2015 - Golden Valley Unified Special Recall Election
Marin
- March 3, 2015 - Marin County Flood Zone Control 5 (Stinson Beach) Special Parcel Tax Election
- May 5, 2015 - Nicasio School District Special Parcel Tax Election
- November 3, 2015 - Uniform District Election Law (UDEL)
Mendocino
- November 3, 2015 - Uniform District Election Law (UDEL)
Merced
- May 5, 2015 - Special Vacancy Election
Modoc
- May 5, 2015 - Formation of the Southern Cascades Community Services District Special All Mail Ballot Election
Mono
- October 6, 2015 - Special Election for Town of Mammoth Lakes
Monterey
- August 25, 2015 - Greenfield Fire Protection District Election
- November 3, 2015 - Uniform District Election Law (UDEL)
Nevada
- August 25, 2015 - Higgins Area Fire Protection District Special All-Mail Ballot Election
Orange
- January 27, 2015 - First Supervisorial District Vacancy Election
- March 17, 2015 - State Senate District 37, Special Primary Election
- May 19, 2015 - City of Buena Park Special Municipal Election
- November 3, 2015 - Rowland Unified School District Governing Board Election
Plumas
- January 6, 2015 - Whitehawk Ranch Community Services District
- March 24, 2015 - Indian Valley Community Services District
- November 3, 2015 - Uniform District Election Law (UDEL)
Riverside
- June 2, 2015 - General Municipal Election
- August 25, 2015 - General District Election Uniform District Election Law (UDEL) Mail Ballot Election
- November 3, 2015 - Uniform District Election Law (UDEL)
Sacramento
- April 7, 2015 - City of Sacramento Special Election
- May 12, 2015 - Twin Rivers Unified School District Area 5 Special Election
- June 2, 2015 - City of Sacramento Special Election
- August 25, 2015 - Arden Manor Recreation and Park District Special Election
San Bernardino
- March 17, 2015 - State Senate District 21, Special Primary Election
- March 24, 2015 - City of Chino
- April 14, 2015 - Mountain View School District
- June 2, 2015 - Town of Yucca Valley Special Election
- June 23, 2015 - Hi-Desert Memorial Healthcare District Special Mail Ballot Election
- November 3, 2015 - Consolidated Election
San Francisco
- November 3, 2015 - Municipal Election
San Joaquin
- August 25, 2015 - Uniform District Election Law (UDEL) Mail Ballot Election
San Luis Obispo
San Mateo
- May 5, 2015 - San Carlos School District Special All Mail Ballot Election
- November 3, 2015 - Consolidated Municipal, School, and Special District Election
Santa Barbara
Santa Clara
- April 7, 2015 - Special Primary Election
- May 5, 2015 - Special Mail Ballot Election
- June 23, 2015 - Special Run-off Election
- November 3, 2015 - Consolidated Election
Santa Cruz
- February 24, 2015 - Special Water District Election
- June 2, 2015 - Special Election Pajaro Dunes Geological Hazard Abatement District
- November 3, 2015 - Uniform District Election Law (UDEL)
- November 17, 2015 - Santa Cruz City School District
Siskiyou
- March 3, 2015 - City of Weed Special Election
- June 2, 2015 - City of Mount Shasta Special Election
- November 3, 2015 - Uniform District Election Law (UDEL)
Solano
- August 25, 2015 - Rural North Vacaville Water District Special Election
Sonoma
- June 2, 2015 - Special Countywide Election
- November 3, 2015 - Uniform District Election Law (UDEL)
Stanislaus
- August 25, 2015 - Burbank Paradise Fire Protection District Special Election (PDF)
- November 3, 2015 - Consolidated District
Tulare
- November 3, 2015 - Uniform District Election Law (UDEL)
Ventura
- May 5, 2015 - Waterworks Formation District Number 38 Mail Ballot Election (PDF)
- June 2, 2015 - City of Thousand Oaks Special Municipal Vacancy Election
- November 3, 2015 - Uniform District Election Law (UDEL)
- November 30, 2015 - General Member Election
Yolo
- March 3, 2015 - Elkhorn Fire District
