Alameda
- August 31 - Assembly District 18, Special General Election
- November 2 - City of Emeryville Special Election
Alpine
- November 2 - Bear Valley Water District, Kirkwood Meadows Public Utility District, Markleeville Utility District
Amador
Butte
Calaveras
- May 4 - Special All-Mail Election
Colusa
- August 31 - Landowner District Election
Contra Costa
- May 4 - Special Mail Ballot Election
Del Norte
El Dorado
- March 23 - Many Oaks Lane Drive ZOB
- November 2 - UDEL
Fresno
- March 2 - Clovis Municipal Election
- June 8 - City of Parlier Special Municipal Election
- November 2 - UDEL
Glenn
- August 31 - Landowner Election
Humboldt
November 2 - Consolidated Districts Election
Imperial
- August 31 - Bard Water Landowner Election
- November 2 - Consolidated Election
- December 28, 2021 - Imperial County Employees’ Retirement System
Inyo
Kern
- November 2 - Special Election
Kings
Lake
- December 21, 2021 - Kelseyville Fire Protection District
Lassen
- September 14 - Lassen College Trustee Area 1 Election
Los Angeles
- March 2 - Senate District 30 Special Primary Election
- April 13 - Vernon City General Municpal
- April 20 - Compton City Primary Nominating
- May 11 - City of Hermosa Beach Special Municipal Election
- May 18 - Assembly District 54, Special Primary Election
- June 1 - Compton City (Runoff)
- June 8 - City of Industry
- June 29 - San Marino Unified School District Special Parcel Tax Election
- July 20 - Norwalk-La Mirada Unified School District Special Election
- August 31 - Los Angeles County Employees Retirement Association
- August 31 - City of Inglewood Special Municipal Election
- September 14 - City of Vernon Special Municipal Election
- November 2 - Local and Municipal Elections
Madera
- November 2 - Special Election
Marin
- March 2 - Flood Control Zone
- March 2 - Permanent Road Division
- May 4 - Vote by Mail Special Election
- November 2 - Special Election
Mariposa
Mendocino
Merced
- March 30 - MCERA Retirement Election
- August 31 - Special Vacancy Mail Ballot Election Merced City School District Area 3
- November 2 - Special Vacancy Mail Ballot Election Los Banos Unified School District Area 1
Modoc
Mono
Monterey
Napa
Nevada
Orange
Placer
- August 31 - Truckee Fire Protection District Special Election
- November 2 - UDEL/Special District Election
Plumas
- May 4 - Hamilton Branch Fire Protection District
- November 2 - UDEL/Long Valley Community Services District
- December 14, 2021 - Special District Mail Ballot Election
Riverside
- March 2 - Special Municipal Measure Election
- June 8 - City of Riverside City Council
- August 31 - UDEL Mail Ballot
- November 2 - UDEL
- December 14, 2021 - Special District Mail Ballot Election
Sacramento
- October 1 - SCERS Election
- November 2 - City of Isleton Fire Protection Services Transaction and Use Tax Special Election
San Benito
- November 2 - City Council District 3
San Bernardino
- August 31 - 2021 Consolidated Mail Ballot
- December 7, 2021 - San Bernardino County Employees' Retirement Association Election
San Diego
- April 6 - Assembly District 79, Special Primary Election
- November 2 - Union High School Trustee Area 5 Special Election
- November 2 - City of La Mesa Municipal Election
San Francisco
San Joaquin
- June 22 - SJCERA Retirement Election
- November 2 - UDEL
San Luis Obispo
San Mateo
- May 4 - Portola Valley School District
- November 2 - Special Election
Santa Barbara
- November 2 - City of Santa Barbara Municipal Election
Santa Clara
- May 4 - Special Election for a School District Parcel Tax Measure
- November 2 - Berryessa Union School District (Parcel Tax) and Los Gatos Union School District (Parcel Tax)
Santa Cruz
- November 2 - UDEL
- December 7, 2021 - City of Watsonville Election (2nd District City Council)
Shasta
Sierra
- November 2 - UDEL
Siskiyou
- November 2 - UDEL
Solano
- May 4 - City of Vacaville District 2 - Council Vacancy Election
- November 2 - City of Dixon - City Clerk Vacancy
Sonoma
- March 2 - Special Election
- May 4 - Special Election
- September 14 - Special Election
- November 2 - UDEL
Stanislaus
- February 2 - City of Modesto Municipal Run-Off Election
- August 31 - City of Ceres Special Election
Sutter
- November 2 - UDEL
- December 7 - Live Oak City Council Vacancy Election
Tehama
Trinity
Tulare
- July 20 - Tulare County Employees Retirement Association (TCERA) Special Election
- August 31 - Ducor Water District Formation Special Election
- December 7 - Tulare County Employee’s Retirement Association Election
Tuolumne
June 8 - Tuolumne County Fire Authority Special Election
Ventura
- May 4 - Landowner
- Oct 25 - VCERA-County Retirement
- November 2 - City of Oxnard District 2, Special Vacancy Election
Yolo
- August 31 – City of West Sacramento – All-Mail Ballot Special Municipal Election
- August 31 - Landowner District Election
