Atty. Mark Brennan Plummer

Atty. Mark Brennan Plummer

Mark Brennan Plummer is a lawyer practicing civil litigation, medical malpractice, personal injuries and 5 other areas of law. Mark received a B.S. degree from California State University at Long Beach in 1982, and has been licensed for 41 years.

Yorba Linda Yorba Linda 41 yrs experience 41 year
Call (657) 279-7920 Book Appointment

Civil Litigation & More Attorney · Serving Yorba Linda, CA · 41+ Years Experience

Profile Summary

About Mark Brennan Plummer at a Glance

Mark Brennan Plummer is a Member based in Yorba Linda, California, practicing at Law Offices of Mark B. Plummer, PC. They have 41+ years of legal experience, licensed to practice since 1985. Their practice focuses on medical malpractice, personal injury, employment, business, and litigation. Admitted to practice in California (1985), U.S. District Court, Central District of California (1985), and U.S. Court of Appeals, Ninth Circuit (1985). Educated at Loyola Marymount University (J.D., 1985) and California State University at Long Beach (B.S., 1982). Serves clients in Yorba Linda, CA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark Brennan Plummer

  • Mark Brennan Plummer is a lawyer practicing civil litigation, medical malpractice, personal injuries and 5 other areas of law
  • Mark received a B.S. degree from California State University at Long Beach in 1982, and has been licensed for 41 years
  • Mark practices at Law Offices of Mark B. Plummer, PC in Yorba Linda, CA

Practice Areas Explained

Mark Brennan Plummer's Areas of Legal Practice

Each practice area below reflects the types of cases Mark Brennan Plummer handles, with a practical overview of what that area of law involves and how it may apply to your situation in Yorba Linda.

Medical Malpractice in Yorba Linda

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

Mark Brennan Plummer is one of 48,593 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in California →

Personal Injury in Yorba Linda

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Mark Brennan Plummer is one of 262,557 personal injury attorneys indexed nationally. Browse personal injury attorneys in California →

Employment Law in Yorba Linda

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

Mark Brennan Plummer is one of 167,770 employment attorneys indexed nationally. Browse employment attorneys in California →

Business & Corporate Law in Yorba Linda

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mark Brennan Plummer is one of 497,491 business attorneys indexed nationally. Browse business attorneys in California →

Civil Litigation in Yorba Linda

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Mark Brennan Plummer is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Jurisdictional Context

Why Local Counsel Matters in Yorba Linda

Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Yorba Linda are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.

Yorba Linda Courts and Legal Process

Choosing a Yorba Linda-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional California attorneys? Browse all attorneys in Yorba Linda or all attorneys in California.

Frequently Asked

Common Questions About Mark Brennan Plummer

Where is Mark Brennan Plummer's law office located?
Mark Brennan Plummer's law practice is located in Yorba Linda, California. The firm is Law Offices of Mark B. Plummer, PC. You can contact the office directly through this profile page.
What practice areas does Mark Brennan Plummer handle?
Mark Brennan Plummer focuses on medical malpractice, personal injury, employment, business, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has Mark Brennan Plummer practiced law?
Mark Brennan Plummer has 41+ years of legal experience and has been licensed since 1985.
Where did Mark Brennan Plummer go to law school?
Mark Brennan Plummer earned their education at (J.D., 1985); (B.S., 1982).
How can I contact Mark Brennan Plummer for a consultation?
You can contact Mark Brennan Plummer directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Professional Profile

Why Clients in Yorba Linda Choose Mark Brennan Plummer

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark Brennan Plummer's practice in the field of medical malpractice, personal injury, employment, business, and litigation.

Decade-Tested Legal Experience

Mark Brennan Plummer brings 41+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in California, U.S. District Court, Central District of California, and U.S. Court of Appeals, Ninth Circuit, Mark Brennan Plummer can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering medical malpractice, personal injury, and employment, Mark Brennan Plummer can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Yorba Linda

A Yorba Linda-based practice means Mark Brennan Plummer attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Mark Brennan Plummer Handles in Yorba Linda

Below is a representative sample of the types of matters Mark Brennan Plummer has experience with under California law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Surgical error claims
Medical Malpractice
Misdiagnosis and delayed diagnosis
Medical Malpractice
Birth injury lawsuits
Medical Malpractice
Hospital negligence
Medical Malpractice
Car accident injury claims
Personal Injury
Slip and fall cases
Personal Injury
Wrongful death suits
Personal Injury
Workers' compensation appeals
Personal Injury
Wrongful termination claims
Employment
Workplace discrimination
Employment
Wage and hour disputes
Employment
Non-compete agreement review
Employment

This list is illustrative, not exhaustive. Contact Mark Brennan Plummer directly to discuss the specifics of your situation.

Search Reference

How People Find Mark Brennan Plummer Online

Prospective clients searching for legal help in Yorba Linda commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Mark Brennan Plummer.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Mark Brennan Plummer directly.

Education & Law School Background

J.D.
Loyola Marymount University
- 1985
B.S.
California State University at Long Beach
- 1982

Bar Admissions & Licensed Jurisdictions

California
Admitted: 1985
U.S. District Court, Central District of California
Admitted: 1985
U.S. Court of Appeals, Ninth Circuit
Admitted: 1985

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