Atty. David Michael Marquez

Atty. David Michael Marquez

David Michael Marquez is a lawyer practicing litigation, administrative law, environmental law and 1 other area of law. David received a B.A. degree from Boston College in 1998, and has been licensed for 23 years.

Washington Washington 23 yrs experience 23 year
Call (443) 860-2728 Book Appointment

Administrative Law & More Attorney · Serving Washington, DC · 23+ Years Experience

Profile Summary

About David Michael Marquez at a Glance

David Michael Marquez is an Off. of the Gen. Coun., Litig. Off. based in Washington, District of Columbia. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on litigation, environmental, and government. Admitted to practice in California (2003), U.S. District Court, Central District of California (2004), U.S. District Court, Southern, Northern and Eastern Districts of California and U.S. Court of Appeal (2006), and Rhode Island (2009). Educated at Northwestern University (J.D., 2003) and Boston College (B.A., 1998). Serves clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated November 2026

About David Michael Marquez

  • David Michael Marquez is a lawyer practicing litigation, administrative law, environmental law and 1 other area of law
  • David received a B.A. degree from Boston College in 1998, and has been licensed for 23 years
  • David practices in Washington, DC

Practice Areas Explained

David Michael Marquez's Areas of Legal Practice

Each practice area below reflects the types of cases David Michael Marquez handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.

Civil Litigation in Washington

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

David Michael Marquez is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →

Environmental Law in Washington

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

David Michael Marquez is one of 55,977 environmental attorneys indexed nationally. Browse environmental attorneys in District of Columbia →

Government & Administrative Law in Washington

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

David Michael Marquez is one of 131,162 government attorneys indexed nationally. Browse government attorneys in District of Columbia →

Jurisdictional Context

Why Local Counsel Matters in Washington

Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia 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 District of Columbia courts without local counsel or pro hac vice admission.

Washington Courts and Legal Process

Choosing a Washington-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 District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common Questions About David Michael Marquez

Where is David Michael Marquez's law office located?
David Michael Marquez's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does David Michael Marquez handle?
David Michael Marquez focuses on litigation, environmental, government. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has David Michael Marquez practiced law?
David Michael Marquez has 23+ years of legal experience and has been licensed since 2003.
Where did David Michael Marquez go to law school?
David Michael Marquez earned their education at (J.D., 2003); (B.A., 1998).
How can I contact David Michael Marquez for a consultation?
You can contact David Michael Marquez 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 Washington Choose David Michael Marquez

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 David Michael Marquez's practice in the field of litigation, environmental, and government.

Decade-Tested Legal Experience

David Michael Marquez brings 23+ 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. District Court, Southern, Northern and Eastern Districts of California and U.S. Court of Appeal, David Michael Marquez can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering litigation, environmental, and government, David Michael Marquez can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Washington

A Washington-based practice means David Michael Marquez attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Search Reference

How People Find David Michael Marquez Online

Prospective clients searching for legal help in Washington 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 David Michael Marquez.

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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 David Michael Marquez directly.

David Michael Marquez's Practice Areas & Specializations

Education & Law School Background

J.D.
Northwestern University
- 2003
B.A.
Boston College
- 1998

Bar Admissions & Licensed Jurisdictions

California
Admitted: 2003
U.S. District Court, Central District of California
Admitted: 2004
U.S. District Court, Southern, Northern and Eastern Districts of California and U.S. Court of Appeal
Admitted: 2006
Rhode Island
Admitted: 2009
U.S. District Court, District of Rhode Island
Admitted: 2009
Massachusetts
Admitted: 2010
U.S. Court of Appeals, First Circuit
Admitted: 2010
Connecticut
Admitted: 2010

Client Reviews & Ratings — David Michael Marquez

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