Webb & Webb P.C. | Caring. Committed. Professionals.
Webb & Webb P.C. | Caring. Committed. Professionals.

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J. Duncan Webb IV

  • Lawyer; President; Owner


Plano, TX





Duncan is the sole shareholder of the firm whose practice primarily focuses on estate planning, trusts, business matters, and construction law. He graduated from Southern Methodist University in 1977 with a business administration degree in accounting and finance and earned his law degree from SMU in 1980.
Duncan has more than thirty-five years of legal experience and has been admitted to practice in the United States Tax Court, United States District Court for the Northern District of Texas, and Fifth Circuit of the United States Court of Appeals.
During the three years Inside Collin County Business conducted its annual awards, Duncan was voted “Best Business Lawyer” in Collin County all three years (1997-1999) and “Best Business Tax Consultant” one year (1997). Duncan was also voted "Best Attorney in Plano/Frisco" by Living Magazine for 2016 and 2017.
Duncan is a Sustaining Fellow of the Texas Bar Foundation and Collin County Bar Foundation. Duncan served on the District 1A Grievance Committee of the State Bar of Texas for six years and served as its Chairperson in 2006–2007. Duncan is a member of the State Bar of Texas, Collin County Bar Association, and the Plano Bar Association.
Duncan was elected and has been serving since January 1, 2011 as Collin County's Commissioner for Precinct 4.  Duncan also serves on the Regional Transportation Council and the Dallas Regional Mobility Council.
Prior to being elected as a Commissioner, Duncan served on the Board of Trustees for the Plano Independent School District for twelve years and was President of the Board from 2005– 2008. He also served on the Advisory Board of Directors of the Medical Center of Plano for 2005-2010 and served as its chair twice. Duncan has served on the boards of directors of the Assistance Center of Collin County, the Plano Library Advisory Board, The Classics, the Plano Family YMCA, and the Leadership Plano Advisory Board.  Duncan and his family are members of the Christ United Methodist Church and Duncan has served on various boards and committees of the Church, including serving as general counsel to the Church for over ten years and Chair of the Phase 4 Building Committee.
Duncan and his family have been recognized for their family values and service to their community by being named as Plano’s Family of the Year in 1997 by the Plano Family YMCA and as Citizens of the Year in 2008 by the Plano Chamber of Commerce.

Areas Of Practice

  • Estate Planning & Trusts 40%
  • Probate 25%
  • Business Transactions 20%
  • Tax 10%
  • Real Estate 5%

Bar Admissions

  • U.S. Tax Court
  • U.S. District Court Northern District of Texas
  • U.S. Court of Appeals 5th Circuit


  • Southern Methodist University School of Law, Dallas, Texas
    • 1980
  • Southern Methodist University
    • Business administration - 1977
    • Major: Accounting
    • Major: Finance

Honors and Awards

  • Best Business Lawyer
  • Best Business Tax Consultant
  • Best Attorney in Frisco/Plano - Readers Choice Awards, conducted by Living Magazine 2016 & 2017
  • Plano’s 1997 Family of the Year - Family honored by the Plano Family YMCA
  • Master Trustee - Leadership Texas Association of School Boards
  • 2008 Plano Citizens of the Year - Plano Chamber of Commerce
  • PTA Life Member Award - Sustaining Fellow of the Texas Bar Foundation and the Collin County Bar Foundation

Professional Associations and Memberships

  • Texas Bar Foundation, Sustaining Fellow
  • Collin County Bar Foundation, Sustaining Fellow
  • State Bar of Texas, District 1A Grievance Committee, Chairperson, 2004 to 2008
  • State Bar of Texas, Member
  • Collin County Bar Association, Member
  • Plano Bar Association, Member
  • Collin County's Commissioner for Precinct 4, 2011
  • Regional Transportation Council
  • Dallas Regional Mobility Council, Treasurer, 2012 to Present
  • North Central Texas Council of Governments, Regional Transportation Council Member, 2011 to Present
  • Northeast Texas Rural Railroad Transportation District Board, 2012 to 2015

Past Employment Positions

  • Maxwell, Bennett, Thomas, et al, Associate, 1980 to 1983
  • Sand & Tyler, PC, Associate, 1983 to 1985

Pro Bono Activities

  • Plano Independent School District, Board of Trustees
  • Plano Independent School District, President of the Board, 2005 to 2008
  • Medical Center of Plano, Advisory Board of Directors, 2005 to 2010
  • Medical Center of Plano, Chair
  • Assistance Center of Collin County, Boards of directors
  • Plano Library Advisory Board, Boards of directors
  • The Classics, Boards of directors
  • Plano Family YMCA, Boards of directors
  • Leadership Plano Advisory Board, Boards of directors
  • Christ United Methodist Church, General counsel and Member
  • Christ United Methodist Church, Chair of the Phase 4 Building Committee
  • Plano Rotary Club
  • Practical Parenthood Education Advisory Board


  • Lambda Chi Alpha