Atty. Mark John Oppel

Atty. Mark John Oppel

Mark John Oppel is a lawyer practicing military, business, estate planning and 1 other area of law. Mark has been licensed for 5 years.

Austin Austin 5 yrs experience 5 year
Call (210) 441-3649 Book Appointment

Profile Summary

About Mark John Oppel at a glance

Mark John Oppel is a estate planning, business, tax, and military attorney based in Austin, Texas. They have 5+ years of legal experience, licensed to practice since 2021. Admitted to practice in Missouri (2021). Serands clients in Austin, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark John Oppel is a lawyer practicing military, business, estate planning and 1 other area of law
  • Mark has been licensed for 5 years
  • Mark practices in Austin, TX

Practice Areas Explained

Mark John Oppel's Areas of Practice

Each practice area below reflects the types of cases Mark John Oppel handles, with a brief overview of what that area of law covers.

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.

Mark John Oppel is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in Texas →

Business & Corporate Law

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

Mark John Oppel is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Texas →

Tax Law

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

Mark John Oppel is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Texas →

Military Law

Military attorneys for court-martial, discharge upgrades, veterans benefits, and military family matters.

Mark John Oppel is one of 8,613 military attorneys indexed nationally. Browse military attorneys in Texas →

Jurisdictional Context

Why local counsel matters in Texas

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

Looking for additional Texas attorneys? Browse all attorneys in Austin or all attorneys in Texas.

Frequently Asked

Common questions about Mark John Oppel

Where is Mark John Oppel's law office located?
Mark John Oppel's law practice is located in Austin, Texas. You can contact the office directly through this profile page.
What practice areas does Mark John Oppel handle?
Mark John Oppel focuses on estate planning, business, tax, military. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Mark John Oppel practiced law?
Mark John Oppel has 5+ years of legal experience and has been licensed since 2021.
How can I contact Mark John Oppel for a consultation?
You can contact Mark John Oppel 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.

Bar Admissions

Missouri
Admitted: 2021

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