The following candidates have filed for local, statewide and national office. The list is based on election filings at the Sonoma County Registrar of Voters Office. It may not be complete, since some candidates for statewide and congressional offices may have filed in neighboring counties.
2nd Congressional District: Mike Halliwell, college professor, a Cotati Republican; Tiffany Renee, a Democrat and Petaluma vice mayor; Norman Solomon, Democrat of Point Reyes Station; Jared Huffman, Democrat of San Rafael; Stacey Lawson, Democrat of San Rafael; Brooke Clarke, a Ukiah small-business owner, no party affiliation; Daniel Roberts, securities broker dealer and Mill Valley Republican; Larry Fritzlan, a Mill Valley Democrat.
5th Congressional District: Mike Thompson, 1st District congressman, a St. Helena Democrat; Stewart John Cilley, certified public accountant and Rohnert Park Republican; Randy Loftin, a tax and financial planning adviser and Napa Republican.
3rd District State Senate: Lois Wolk, the current 5th District state senator from Davis.
10th Assembly District: Michael Allen, a San Rafael Democrat and state assemblyman; Joe Boswell, a San Rafael independent; H. Christian Gunderson, a chiropractor and Petaluma Democrat; Marc Levine, Democrat of San Rafael; Peter J. Mancus, Republican small-business owner of Sebastopol.
Sonoma County 3rd District supervisor: incumbent Shirlee Zane; Tim Smith of Rohnert Park, a small-business owner and educator.
Sonoma County 1st District supervisor: Filing deadline extended to March 14 because there is no incumbent.
Sonoma County 5th District supervisor: Incumbent Efren Carrillo; Veronica Jacobi, former Santa Rosa City Council member; Ernie Carpenter, former county supervisor and consultant.
— The Press Democrat