Atty. Daniel Marchand Costello

Atty. Daniel Marchand Costello

Mr. Daniel Marchand Costello is a lawyer practicing community associations, litigation.

Bethesda Bethesda 17 yrs experience 17 year
Call (301) 263-3060 Book Appointment

Profile Summary

About Daniel Marchand Costello at a glance

Daniel Marchand Costello is a litigation attorney based in Bethesda, Maryland. They have 17+ years of legal experience, licensed to practice since 2009. Admitted to practice in Maryland US District Court US District Court, District of Maryland (2009), District of Columbia (2010), and Virginia (2017). Educated at George Washington University Law School (J.D., 2009) and University of Mary Washington B.A. Philosophy University of Mary Washington B.A. Classics University of Mary Washington B.A. and Religion University of Mary Washington B.A. cum laude Universi (—). Active member of Professional Memberships Washington Metropolitan Chapter Community Associations Institute. Serands clients in Bethesda, MD and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Daniel Marchand Costello is a lawyer practicing community associations, litigation
  • Daniel received a B.A. degree from University of Mary Washington, and has been licensed for 17 years
  • Daniel practices in Bethesda, MD

Practice Areas Explained

Daniel Marchand Costello's Areas of Practice

Each practice area below reflects the types of cases Daniel Marchand Costello handles, with a brief overview of what that area of law covers.

Civil Litigation

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

Daniel Marchand Costello is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Maryland →

Jurisdictional Context

Why local counsel matters in Maryland

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

Looking for additional Maryland attorneys? Browse all attorneys in Bethesda or all attorneys in Maryland.

Frequently Asked

Common questions about Daniel Marchand Costello

Where is Daniel Marchand Costello's law office located?
Daniel Marchand Costello's law practice is located in Bethesda, Maryland. You can contact the office directly through this profile page.
What practice areas does Daniel Marchand Costello handle?
Daniel Marchand Costello focuses on litigation. Each practice area listed reflects experience handling cases of that type in Maryland.
How long has Daniel Marchand Costello practiced law?
Daniel Marchand Costello has 17+ years of legal experience and has been licensed since 2009.
Where did Daniel Marchand Costello go to law school?
Daniel Marchand Costello earned their education at (J.D., 2009); (—).
How can I contact Daniel Marchand Costello for a consultation?
You can contact Daniel Marchand Costello 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.

Education

J.D.
George Washington University Law School
- 2009
University of Mary Washington B.A. Philosophy University of Mary Washington B.A. Classics University of Mary Washington B.A. and Religion University of Mary Washington B.A. cum laude Universi
- In Progress

Bar Admissions

Maryland US District Court US District Court, District of Maryland
Admitted: 2009
District of Columbia
Admitted: 2010
Virginia
Admitted: 2017

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.