Atty. John Joseph Clennan

Atty. John Joseph Clennan

John Joseph Clennan is a lawyer practicing oil and gas law, oil & gas, real estate and 3 other areas of law. John received a B.S. degree from University of Wisconsin-River Falls, and has been licensed for 46 years.

Missouri City Missouri City 46 yrs experience 46 year
Call (346) 771-2683 Book Appointment

Profile Summary

About John Joseph Clennan at a glance

John Joseph Clennan is a trusts, probate, real estate, and energy attorney based in Missouri City, Texas. They have 46+ years of legal experience, licensed to practice since 1980. Admitted to practice in Texas (1980), North Dakota (2010), and North Dakota - State Bar of North Dakota - State - Supreme Court (2010). Educated at South Texas College of Law (J.D., 1979) and University of Wisconsin-River Falls B.S. (—). Recognitions include AV Preeminent. Serands clients in Missouri City, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Joseph Clennan is a lawyer practicing oil and gas law, oil & gas, real estate and 3 other areas of law
  • John received a B.S. degree from University of Wisconsin-River Falls, and has been licensed for 46 years
  • John practices in Missouri City, TX

Practice Areas Explained

John Joseph Clennan's Areas of Practice

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

Trusts

John Joseph Clennan is one of 104,171 trusts attorneys indexed nationally. Browse trusts attorneys in Texas →

Probate

John Joseph Clennan is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Texas →

Real Estate Law

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

John Joseph Clennan is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Texas →

Energy & Utilities Law

Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.

John Joseph Clennan is one of 36,230 energy attorneys indexed nationally. Browse energy 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 Missouri City 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 Missouri City or all attorneys in Texas.

Frequently Asked

Common questions about John Joseph Clennan

Where is John Joseph Clennan's law office located?
John Joseph Clennan's law practice is located in Missouri City, Texas. You can contact the office directly through this profile page.
What practice areas does John Joseph Clennan handle?
John Joseph Clennan focuses on trusts, probate, real estate, energy. Each practice area listed reflects experience handling cases of that type in Texas.
How long has John Joseph Clennan practiced law?
John Joseph Clennan has 46+ years of legal experience and has been licensed since 1980.
Where did John Joseph Clennan go to law school?
John Joseph Clennan earned their education at (J.D., 1979); (—).
How can I contact John Joseph Clennan for a consultation?
You can contact John Joseph Clennan 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 John Joseph Clennan received?
John Joseph Clennan's notable recognition includes: AV Preeminent.

Education

J.D.
South Texas College of Law
- 1979
University of Wisconsin-River Falls B.S.
- In Progress

Awards

AV Preeminent

Bar Admissions

Texas
Admitted: 1980
North Dakota
Admitted: 2010
North Dakota - State Bar of North Dakota - State - Supreme Court
Admitted: 2010

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