Atty. Mark L. Boon

Atty. Mark L. Boon

Attorney Mark L. Boon is president and the firm's estate planning and probate specialist.

Longview Longview 50 Years Experience 50 year
Call (430) 240-4152

Profile Summary

About Mark L. Boon at a glance

Mark L. Boon is a President based in Longview, Texas, practicing at Boon, Calk, Echols, Coleman & Goolsby, PLLC. They have 50+ years of legal experience, licensed to practice since 1976. Their practice focuses on probate and estate planning. Admitted to practice in Texas (1976) and U.S. District Court, Eastern District of Texas (1978). Educated at The University of Texas School of Law (J.D., 1976) and Tyler Junior College (A.A., 1971). Recognitions include AV Preeminent. Active member of State Bar of Texas. Serves clients in Longview, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Attorney Mark L. Boon is president and the firm's estate planning and probate specialist
  • In addition to three decades’ experience practicing law in Texas, Mr. Boon is board certified in Estate Planning and Probate Law by the Texas Board of Legal Specialization and a Certified Public Accountant who is admitted to practice before the U.S
  • Tax Court
  • Mr. Boon is also the recipient of Martindale-Hubbell's "AV" preeminent peer rating.* An active member in Longview’s legal and community organizations, Mr. Boon is a member of the Real Estate, Probate, and Trust Law and Taxation Sections of the State Bar of Texas, a member of Good Shepherd Health System Board of Directors, a member of East Texas Community Foundation Board of Directors, a member of the LeTourneau University President’s Advisors Committee, and a member of the Parks and Leisure Foundation of Longview Board of Directors
  • Mr. Boon resides in Longview, Texas, with his wife, Janet
  • Certified Legal Specialities Estate Planning and Probate Law, Texas Board of Legal Specialization, Board Certified Certified Public Accountant Pro Bono Activities • Good Shepherd Health System • Good Shepherd Medical Center • Longview Rotary Club • Longview Estate Planning Council • East Texas Community Foundation • LeTourneau University President’s Advisory Committee Fraternities • Phi Theta Kappa • Beta Alpha Psi • Phi Alpha Phi • Beta Gamma Sigma • Phi Delta Phi Professional Associations and Memberships • State Bar of Texas, Real Estate, Probate and Trust Law Sections • State Bar of Texas, Taxation Section

Practice Areas Explained

Mark L. Boon's Areas of Practice

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

Probate

Mark L. Boon is one of 115,645 probate attorneys indexed nationally. Browse probate attorneys in Texas →

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 L. Boon is one of 203,974 estate planning attorneys indexed nationally. Browse estate planning 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 Longview 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 venue, 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 Longview or all attorneys in Texas.

Frequently Asked

Common questions about Mark L. Boon

Where is Mark L. Boon's law office located?
Mark L. Boon's law practice is located in Longview, Texas. The firm is Boon, Calk, Echols, Coleman & Goolsby, PLLC. You can contact the office directly through this profile page.
What practice areas does Mark L. Boon handle?
Mark L. Boon focuses on probate, estate planning. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Mark L. Boon practiced law?
Mark L. Boon has 50+ years of legal experience and has been licensed since 1976.
Where did Mark L. Boon go to law school?
Mark L. Boon earned their education at (J.D., 1976); (A.A., 1971).
How can I contact Mark L. Boon for a consultation?
You can contact Mark L. Boon 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 Mark L. Boon received?
Mark L. Boon's notable recognition includes: AV Preeminent.

Education

J.D.
The University of Texas School of Law
- 1976
A.A.
Tyler Junior College
- 1971

Awards

AV Preeminent

Bar Admissions

Texas
Admitted: 1976
U.S. District Court, Eastern District of Texas
Admitted: 1978

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