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William B. Doonan Divorce & Family Law Attorney in Keller, TX

Keller, TX 76248

William B. Doonan is a family lawyer in Keller, Texas, helping clients with child custody, postnuptial agreements, high-asset divorce, and divorce.

William B. Doonan helps clients in Keller and throughout Texas with divorce and family law matters.

Updated: October 13, 2026 · General information, not legal advice

Focus
Adoption, Alimony & Spousal Support, Child Support, Custody & Visitation, Dissolution, Divorce, Domestic Violence, Father's Rights, Marital Property, Mediation & Collaborative Law, Name Change, Paternity, Prenuptial Agreements
Family law matters in Keller
Divorce Lawyer in Keller, TX
Family Law Attorney in Keller, TX
Child Custody Lawyer in Keller, TX
Child Support Lawyer in Keller, TX
Alimony Lawyer in Keller, TX
Property Division Lawyer in Keller, TX
Contact
Phone: +18178987242
Address: 807 Bluebonnet Drive, Suite C · Keller, TX 76248
Website: http://www.wdoonanlaw.com
Background
Licensed state: Texas
Licensed since: 2009
Law school: Texas Tech University School of Law
Education: Bachelor of Arts - History University of Texas of the Permian Basin Cum Laude, 2004; Bachelor of Science - Mathematics University of Texas of the Permian Basin Cum Laude, 2004
Certifications: Board Certified as a Family Law Specialist by TBLS., 2015; Licensed by the State of Texas as an Attorney and Counselor at Law, 2009
Professional activity: Accepted adjunct professor position in teaching family law.; Expanded the Keller / Fort Worth office to a new location; Opened second location in Keller, Texas.; Certified as a Family Law Specialist by the Texas Board of Legal Specialization (TBLS); United States District Court for the Western District of Texas; Admitted to the State Bar of Texas
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Next steps
Call and compare
Talk to 2–3 offices to compare fees and approach.
Ask about your case type
Custody, property, business assets, or high conflict.
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