Atty. William T Treas

Atty. William T Treas

William T Treas is a lawyer practicing insurance defense, catastrophe litigation, commercial property and 4 other areas of law. William has been licensed for 27 years.

Metairie Metairie 27 yrs experience 27 year
Call (504) 474-9332 Book Appointment

Profile Summary

About William T Treas at a glance

William T Treas is a Managing Partner based in Metairie, Louisiana, practicing at Nielsen & Treas, LLC. They have 27+ years of legal experience, licensed to practice since 1999. Their practice focuses on commercial re, litigation, and insurance. Admitted to practice in Louisiana U.S. Court of Appeals for the First Circuit U.S. Court of Appeals for the Fourth Circuit U (1999). Recognitions include AV Preeminent. Serands clients in Metairie, LA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William T Treas is a lawyer practicing insurance defense, catastrophe litigation, commercial property and 4 other areas of law
  • William has been licensed for 27 years
  • William practices at Nielsen & Treas, LLC in Metairie, LA

Practice Areas Explained

William T Treas's Areas of Practice

Each practice area below reflects the types of cases William T Treas handles, with a brief overview of what that area of law covers.

Commercial Real Estate

William T Treas is one of 16,000 commercial re attorneys indexed nationally. Browse commercial re attorneys in Louisiana →

Civil Litigation

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

William T Treas is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Louisiana →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

William T Treas is one of 121,912 insurance attorneys indexed nationally. Browse insurance attorneys in Louisiana →

Jurisdictional Context

Why local counsel matters in Louisiana

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

Looking for additional Louisiana attorneys? Browse all attorneys in Metairie or all attorneys in Louisiana.

Frequently Asked

Common questions about William T Treas

Where is William T Treas's law office located?
William T Treas's law practice is located in Metairie, Louisiana. The firm is Nielsen & Treas, LLC. You can contact the office directly through this profile page.
What practice areas does William T Treas handle?
William T Treas focuses on commercial re, litigation, insurance. Each practice area listed reflects experience handling cases of that type in Louisiana.
How long has William T Treas practiced law?
William T Treas has 27+ years of legal experience and has been licensed since 1999.
How can I contact William T Treas for a consultation?
You can contact William T Treas 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.
What awards or recognition has William T Treas received?
William T Treas's notable recognition includes: AV Preeminent.

Awards

AV Preeminent

Bar Admissions

Louisiana U.S. Court of Appeals for the First Circuit U.S. Court of Appeals for the Fourth Circuit U
Admitted: 1999

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