Mark Plummer Law Offices

About This Office

Mark Plummer Law Offices is a law firm in Yorba Linda, California. Public California State Bar records list Mark Brennan Plummer at this office address. State Bar records list an active license and admission in 1985. The profile identifies Loyola Law School in Los Angeles, California as the law school. The attorney’s profile identifies Litigation as a practice area self-reported to the State Bar.

Practice Areas Reported by Attorneys at This Office

These areas come from individual attorney profiles and may not describe every service offered by the firm.

Litigation Attorney

Client Reviews

Julia Valencia
5/01/2026
				DO NOT RECOMMEND… per my father’s request this is the worst lawyer one can use. Aside from false hope he gives to prolong the process, he will go after the money for himself. My father believed this man for YEARS since 2018… only to call randomly and end the case because he decided to make deals without considering us in the process. We got NOTHING in return.
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David Chanes
2/19/2025
				Do not do business with this attorney he's a liar and doesn't communicate he does things without telling you and he's very rude an arrogant. I regret hiring this attorney I lost my case because of misrepresentation it is a judge told him that he should have approached and a different way that cost me a lot of money shame on you Mr Plummer.
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Cindy myers
2/23/2023
				Never use this attorney he will lie to you he will have you sign documents and say you never did and that I gave him permission to take all my money hes a thief and he lies and then he hides
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Bita Safari
10/31/2022
				I have been working with Mark and Cynthia for the past few months on a civil litigation matter . I found them very professional and helpful. If you are involved in a civil litigation matter , I recommend you contact them.
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Tammy Derrick
6/29/2018
				Horrible and unprofessional
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