Marc Steinorth

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Marc Steinorth
Marc Steinorth.jpg
Member of the California State Assembly
from the 40th district
In office
December 1, 2014 – November 30, 2018
Preceded byMike Morrell
Succeeded byJames Ramos
Personal details
Born (1970-05-19) May 19, 1970 (age 49)
Political partyRepublican
ResidenceRancho Cucamonga, California
Alma materUniversity of California, Riverside

Marc Steinorth (born May 19, 1970) is an American politician who served in the California State Assembly. A Republican, he represented the 40th Assembly District, encompassing the San Bernardino County communities of Highlands, Loma Linda, Redlands, and parts of both Rancho Cucamonga and the city of San Bernardino. Prior to being elected to the State Assembly, he was a Rancho Cucamonga City Councilmember.

Steinorth was first elected to the State Assembly in 2014, and was re-elected in 2016. He chose not to run for re-election to the State Assembly in 2018.

Early life and career[edit]

Steinorth was raised in a military family, as his father served as an Officer in the United States Air Force. After graduating from Ramstein American High School in West Germany, Steinorth attended the University of Maryland at Munich before returning to Southern California, where he then completed his studies and graduated with honors from the University of California, Riverside with a bachelor's degree in Political Science.[1] In 1998, Steinorth founded The Atlas Buying Group inc, an advertising agency that provides professional services to local businesses and corporations nationwide.[2]


2012 City council[edit]

Assemblyman Marc Steinorth talks with students at the University of Redlands.

In the 2012 general election, Steinorth received the most votes (17,385 or 26%)[3] and secured a seat in the Rancho Cucamonga City Council. As a Council Member, Steinorth was the Vice Chairman of the League of California Cities Inland Region Legislative Task Force, member of the Chamber of Commerce committee and the Technology and Communications Subcommittee, as well as the Consolidated Fire Agencies (ConFire) committee.[4]

2014 California State Assembly candidacy[edit]

On December 5, 2013, Steinorth announced that he would be running as a Republican candidate for California's 40th State Assembly district in the upcoming 2014 mid-term elections and won.[5]

California's 40th State Assembly district election, 2014
Primary election
Party Candidate Votes %
Republican Marc Steinorth 20,292 53.9
Democratic Kathleen Henry 6,416 17.1
Democratic Melissa O'Donnell 5,835 15.5
Democratic Arthur Bustamonte 5,085 13.5
Total votes 37,628 100.0
General election
Republican Marc Steinorth 39,303 55.7
Democratic Kathleen Henry 31,309 44.3
Total votes 70,612 100.0
Republican hold

2016 California State Assembly candidacy[edit]

Steinorth was reelected with 50.6% of the vote.

California's 40th State Assembly district election, 2016
Primary election
Party Candidate Votes %
Democratic Abigail Medina 39,583 51.5
Republican Marc Steinorth (incumbent) 37,339 48.5
Total votes 76,922 100.0
General election
Republican Marc Steinorth (incumbent) 76,537 50.6
Democratic Abigail Medina 74,589 49.4
Total votes 151,126 100.0
Republican hold

2018 election cycle[edit]

In 2017, Steinorth voted for the AB 398 Cap and Trade program,[6] which was estimated to raise gas prices by up to 71 cents per gallon according to the Howard Jarvis Taxpayers Association.[7] Following his vote, Steinorth faced backlash from conservative activists who accused him of betraying taxpayers.[8]

Steinorth decided to challenge incumbent 2nd District San Bernardino County Supervisor Janice Rutherford in the 2018 primary election.[9] Steinorth lost the race despite spending more money and receiving more outside support.[10]

After losing to Supervisor Janice Rutherford in the 2018 Primary Election, Steinorth ran for the Rancho Cucamonga City Council, a position he held in 2012.[11] Steinorth lost this race as well.[12] As of April 2018, Steinorth does not hold an elected office.


Steinorth has two children, Madison and Mason.[1]


  1. ^ a b "Marc Steinorth Biography". Archived from the original on 24 January 2014. Retrieved 18 January 2014.
  2. ^ "Atlas Buying Group". Retrieved 18 January 2014.
  3. ^ "Election Results". LA Times. Retrieved 18 January 2014.
  4. ^ "Rancho Cucamonga Website". City of Rancho Cucamonga. Missing or empty |url= (help)
  5. ^ Horseman, Jeff. "40th Assembly District: Rancho Cucamonga councilman enters race". The Press Enterprise. Retrieved 18 January 2014.
  6. ^ "Bill Votes".
  7. ^ Coupal, Jon (30 July 2017). "Republicans didn't have to vote for cap and trade". Howard Jarvis Taxpayers Association.
  8. ^ "Dozens of police respond to protest at Assemblyman's Rancho Cucamonga office". 31 July 2017.
  9. ^ "Return Janice Rutherford to San Bernardino Board of Supervisors". 31 May 2018.
  10. ^ "Rutherford defeats Steinorth to retain seat on Board of Supervisors". Fontana Herald News.
  11. ^ "Assemblyman Marc Steinorth downshifts and makes bid for Rancho Cucamonga City Council in November election". 27 October 2018.
  12. ^ "Ryan Hutchison pulls ahead of Marc Steinorth in Rancho Cucamonga council race". 15 November 2018.

External links[edit]