Mark Simons
CA · Associate Justice, California Court of Appeal, First Appellate District, Division Five
Simons is an associate justice in Division Five of California's First District Court of Appeal. He previously served on the Contra Costa Superior Court and Mt. Diablo Municipal Court.
Where Mark Simons stands, based on their records
Supports
Public Safety and Crime Control (4 records), Gun Control (1 record), Civil Rights (2 records)
Campaign finance information not available
Track record
Track record — Public Safety and Crime Control
Public Safety and Crime Control · 4 support
Joined Thompson v. Superior Court, holding that trial courts may impose reasonable rehabilitative search conditions in mental-health diversion.
July 30, 2026Supports Public Safety and Crime Control
Source: law.justia.com · researched September 13, 2026
Authored C.F. v. Alternative Family Services, affirming a verdict against a foster-family agency for negligent supervision connected to sexual abuse.
June 4, 2026Supports Public Safety and Crime Control
Source: law.justia.com · researched September 13, 2026
Joined People v. Anderson, affirming restitution to the California Lottery for stolen scratcher tickets.
May 5, 2025Supports Public Safety and Crime Control
Source: law.justia.com · researched September 13, 2026
Authored In re Samuel J., reviewing a juvenile probation revocation and commitment to the California Youth Authority.
October 25, 2001Supports Public Safety and Crime Control
Source: law.justia.com · researched September 13, 2026
Track record — Gun Control
Gun Control · 1 support
Joined People v. Crenshaw, upholding California's assault-weapons restrictions against a Second Amendment challenge while correcting custody credits.
December 12, 2025Supports Gun Control
Source: law.justia.com · researched September 13, 2026
Track record — Civil Rights
Civil Rights · 2 support
Authored C.F. v. Alternative Family Services, affirming a verdict against a foster-family agency for negligent supervision connected to sexual abuse.
June 4, 2026Supports Civil Rights
Source: law.justia.com · researched September 13, 2026
Authored Gionfriddo v. Major League Baseball, reconciling former players' publicity rights with constitutional free-expression protections.
December 10, 2001Supports Civil Rights
Source: law.justia.com · researched September 13, 2026
Track record — General
General · 3 records
Began serving as an associate justice in the First District Court of Appeal, Division Five.
January 1, 2001
Source: appellate.courts.ca.gov · researched September 13, 2026
Served as presiding judge of the Contra Costa County Superior Court from 1999 through 2000.
January 1, 1999
Source: professionals.justia.com · researched September 13, 2026
Began serving as a Contra Costa County Superior Court judge.
January 1, 1995
Source: professionals.justia.com · researched September 13, 2026
Track record — Legal Competence
Legal Competence · 19 favorable
Joined Thompson v. Superior Court, holding that trial courts may impose reasonable rehabilitative search conditions in mental-health diversion.
July 30, 2026Favorable on Legal Competence
Source: law.justia.com · researched September 13, 2026
Authored C.F. v. Alternative Family Services, affirming a verdict against a foster-family agency for negligent supervision connected to sexual abuse.
June 4, 2026Favorable on Legal Competence
Source: law.justia.com · researched September 13, 2026
Joined Citizens Against Marketplace v. City of San Ramon, affirming approval of an infill housing project against zoning and environmental-review challenges.
April 24, 2026Favorable on Legal Competence
Source: law.justia.com · researched September 13, 2026
Authored Independent Office of Law Enforcement Review and Outreach v. Sonoma County Sheriff's Office, enforcing an oversight agency's subpoenas for sheriff records.
March 26, 2026Favorable on Legal Competence
Source: law.justia.com · researched September 13, 2026
Joined Make UC a Good Neighbor v. Regents, affirming denial of attorney fees after the California Supreme Court reversed the group's earlier appellate victory.
December 19, 2025Favorable on Legal Competence
Source: law.justia.com · researched September 13, 2026
Joined People v. Crenshaw, upholding California's assault-weapons restrictions against a Second Amendment challenge while correcting custody credits.
December 12, 2025Favorable on Legal Competence
Source: law.justia.com · researched September 13, 2026
Joined People v. Anderson, affirming restitution to the California Lottery for stolen scratcher tickets.
May 5, 2025Favorable on Legal Competence
Source: law.justia.com · researched September 13, 2026
Sat by assignment on the California Supreme Court in Tarrant Bell Property v. Superior Court and joined its judgment affirming trial-court discretion over contractual reference requests.
February 10, 2011Favorable on Legal Competence
Source: scocal.stanford.edu · researched September 13, 2026
Taught as an adjunct law professor at Hastings College of the Law from 2002 through 2004.
January 1, 2002Favorable on Legal Competence
Source: professionals.justia.com · researched September 13, 2026
Authored Gionfriddo v. Major League Baseball, reconciling former players' publicity rights with constitutional free-expression protections.
December 10, 2001Favorable on Legal Competence
Source: law.justia.com · researched September 13, 2026
Authored In re Samuel J., reviewing a juvenile probation revocation and commitment to the California Youth Authority.
October 25, 2001Favorable on Legal Competence
Source: law.justia.com · researched September 13, 2026
Began serving as an associate justice in the First District Court of Appeal, Division Five.
January 1, 2001Favorable on Legal Competence
Source: appellate.courts.ca.gov · researched September 13, 2026
Received the Bernard Jefferson Award for distinguished service in judicial education.
January 1, 2000Favorable on Legal Competence
Source: professionals.justia.com · researched September 13, 2026
Served as presiding judge of the Contra Costa County Superior Court from 1999 through 2000.
January 1, 1999Favorable on Legal Competence
Source: professionals.justia.com · researched September 13, 2026
Began serving as a Contra Costa County Superior Court judge.
January 1, 1995Favorable on Legal Competence
Source: professionals.justia.com · researched September 13, 2026
Served as dean of the B.E. Witkin Judicial College from 1995 through 1996.
January 1, 1995Favorable on Legal Competence
Source: professionals.justia.com · researched September 13, 2026
Served as a Contra Costa County deputy public defender from 1973 through 1980.
January 1, 1973Favorable on Legal Competence
Source: professionals.justia.com · researched September 13, 2026
Worked as an associate at Cooley Godward from 1971 through 1973.
January 1, 1971Favorable on Legal Competence
Source: professionals.justia.com · researched September 13, 2026
Clerked for federal district judge Alvin B. Rubin in the Eastern District of Louisiana.
January 1, 1970Favorable on Legal Competence
Source: professionals.justia.com · researched September 13, 2026
Track record — Candidate Ethics
Candidate Ethics · 1 record
Authored Independent Office of Law Enforcement Review and Outreach v. Sonoma County Sheriff's Office, enforcing an oversight agency's subpoenas for sheriff records.
March 26, 2026
Source: law.justia.com · researched September 13, 2026
Retention question · November 3, 2026
Profile last researched September 12, 2026.