Professional Experience

Colin Barr is Of Counsel to Olivarez Madruga Law Organization LLP.  Mr. Barr has spent over twenty-five years representing corporate and public entity clients in all areas of civil litigation, including real estate, construction and facilities, and general liability matters.

Mr. Barr is responsible for all aspects of litigation. He has taken and defended hundreds of depositions and argued extensively in state and federal courts.  Mr. Barr has successfully tried cases through judgment, obtained numerous awards at binding arbitration, and resolved countless claims through the mediation process.  Recently, Mr. Barr successfully defended a public agency against a $1.5 million construction claim at arbitration and obtained a defense and prevailing party attorneys’ fee award of $400,000.

Prior to joining OMLO, Mr. Barr was a partner at a law firm specializing in the representation of public entities in construction and real estate matters.  Mr. Barr has been a speaker at the Pearlman Association’s National Surety Conference and the West Coast Casualty’s Construction Defect Seminar.

Representative Matters

  • Los Angeles Unified School District v. Trustees of the Southern California IBEW – NECA Pension Plan (2010) 187 Cal.App.4th 621
  • State of California ex rel. Dockstader v. Hamby (2008) 162 Cal.App.4th 480
  • Titan Electric Corporation v. Los Angeles Unified School District (2008) 160 Cal.App.4th 188
  • Sanchez v. Swinerton & Walberg Co. (1996) 47 Cal.App.4th 1461

Admissions & Associations

  • State Bar of Ohio (1991)
  • State Bar of California (1993)
  • U.S. District Court, Central, Eastern, Northern, and Southern Districts of California
  • Ninth Circuit Court of Appeal
  • Advisory Board member, Optimist Youth Homes & Family Services (2005-2021)
  • Board of Advisors, Denison University (2019-present)
  • Los Angeles County Bar Association, Member

Speaking & Publications

  • Los Angeles Lawyer Magazine of the Los Angeles County Bar Association: “Licensed to Bill: Unlicensed Contractors May Still be Entitled to Compensation if they can Prove Substantial Compliance with the Licensing Law,” July/August 2004, co-author

Honors & Awards

  • “Best Lawyers in America” (2025)
  • 2020 Southern California “Super Lawyer” – Los Angeles Super Lawyers Magazine. Selections are made only after significant peer review and survey of more than 65,000 practicing Lawyers in Southern California

Related News

February 20, 2026

Six OMLO Attorneys Named to 2026 Southern California “Super Lawyers” and “Rising Stars” Lists

OMLO is proud to announce that Rick R. Olivarez, Tom M. Madruga, Terence J. Gallagher, Colin E. Barr, Lloyd Pilchen have been named to the 2026 Southern California “Super Lawyers”... Read More

August 21, 2025

Rick R. Olivarez and Colin Barr Named to 2026 “Best Lawyers in America” List; 11 Named to 2026 “Ones to Watch” List

The firm is pleased to announce that Rick R. Olivarez and Colin Barr have been selected for inclusion in the 2026 edition of “The Best Lawyers in America” in the... Read More

February 20, 2025

Four OMLO Attorneys Named to 2025 Southern California “Super Lawyers” List

​​​​OMLO is pleased to announce that Rick R. Olivarez, Tom Madruga, Terence Gallagher, and Colin Barr have been named to the 2025 Southern California “Super Lawyers” list by Thomson Reuters.... Read More

August 15, 2024

Rick R. Olivarez and Colin Barr Named to 2025 “Best Lawyers in America” List; Yasmine Hussein Named to 2025 “Ones to Watch” List

The firm is pleased to announce that Rick R. Olivarez and Colin Barr have been selected for inclusion in the 2025 edition of U.S. News & World Report’s “The Best... Read More

January 10, 2024

Four OMLO Attorneys Named to 2024 Southern California “Super Lawyers” List

​​​​OMLO is pleased to announce that Rick R. Olivarez, Tom Madruga, Terence Gallagher, and Colin Barr have been named to the 2024 Southern California “Super Lawyers” list by Thomson Reuters.... Read More

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