Atty. William H Langenstein III

Atty. William H Langenstein III

William H Langenstein III is a lawyer practicing corporate law, taxation, mergers and acquisitions and 6 other areas of law. William received a B.S. degree from Louisiana State University and A. and M.

New Orleans New Orleans 48 yrs experience 48 year
Call (504) 203-4038 Book Appointment

Profile Summary

About William H Langenstein III at a glance

William H Langenstein III is a Partner based in New Orleans, Louisiana, practicing at Chaffe McCall L.L.P.. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on probate, estate planning, business, real estate, and tax. Admitted to practice in Louisiana (1978), U.S. District Court, Eastern District of Louisiana (1981), and U.S. Tax Court (1989). Educated at Loyola University (J.D., 1978) and Louisiana State University and A. and M. College (B.S. Accounting, 1974). Recognitions include AV Preeminent. Serands clients in New Orleans, LA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William H Langenstein III is a lawyer practicing corporate law, taxation, mergers and acquisitions and 6 other areas of law
  • William received a B.S. degree from Louisiana State University and A. and M. College in 1974, and has been licensed for 48 years
  • William practices at Chaffe McCall L.L.P. in New Orleans, LA

Practice Areas Explained

William H Langenstein III's Areas of Practice

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

Probate

William H Langenstein III is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Louisiana →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

William H Langenstein III is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in Louisiana →

Business & Corporate Law

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

William H Langenstein III is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Louisiana →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

William H Langenstein III is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Louisiana →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

William H Langenstein III is one of 85,302 tax attorneys indexed nationally. Browse tax 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 New Orleans 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 New Orleans or all attorneys in Louisiana.

Frequently Asked

Common questions about William H Langenstein III

Where is William H Langenstein III's law office located?
William H Langenstein III's law practice is located in New Orleans, Louisiana. The firm is Chaffe McCall L.L.P.. You can contact the office directly through this profile page.
What practice areas does William H Langenstein III handle?
William H Langenstein III focuses on probate, estate planning, business, real estate, tax. Each practice area listed reflects experience handling cases of that type in Louisiana.
How long has William H Langenstein III practiced law?
William H Langenstein III has 48+ years of legal experience and has been licensed since 1978.
Where did William H Langenstein III go to law school?
William H Langenstein III earned their education at (J.D., 1978); (B.S. Accounting, 1974).
How can I contact William H Langenstein III for a consultation?
You can contact William H Langenstein III 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 H Langenstein III received?
William H Langenstein III's notable recognition includes: AV Preeminent.

Education

J.D.
Loyola University
- 1978
B.S. Accounting
Louisiana State University and A. and M. College
- 1974

Awards

AV Preeminent

Bar Admissions

Louisiana
Admitted: 1978
U.S. District Court, Eastern District of Louisiana
Admitted: 1981
U.S. Tax Court
Admitted: 1989

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