Christopher D. Castellanos



Christopher D. Castellanos concentrates his practice in trusts and estates including a wide range of estate planning and probate matters, asset protection planning, and estate and trust administration. He is experienced in taxation, especially estate and gift tax and real property tax abatement. He has successfully sought real property tax abatement for projects across Missouri, including Normandy, DeSoto, Kennett, St. Joseph and Excelsior Springs. In addition, he advises his clients in employment and non-competition agreements, corporate transactions, business succession planning, and trademarks.

Chris earned his J.D. and LL.M. in Tax from Washington University School of Law. In addition, Chris is a life member of the U.S. Chess Federation and has participated in rated chess competitions in five states.

Community Service & Awards

  • Foundation Fighting Blindness, St. Louis Chapter Leadership Team, 2009-2014
  • Affton School District, Board of Directors, 2010-2016
  • Competition Judge – moot court, mock trial, and debate competitions at high school, undergraduate and law school levels, 2003-Present
  • Fontbonne University, Adjunct Faculty, 2010-2020

Classes & Seminars

  • “The Uniform Electronic Wills Act,” Sponsored by Half Moon Seminars, CLE Seminar titled “Current Issues in Estate Planning”
  • “The Complete Trust Course,” CLE Seminar
  • “Spouse’s Rights and Family Maintenance Concerns,” CLE Seminar
  • “Ethical Issues in Probate Practice,” CLE Seminar
  • “Revocable Living Trusts,” CLE Seminar
  • “Coordinating IRAs and Pension Plan Assets,” CLE Seminar
  • “Ethical Considerations in Estate Planning,” CLE Seminar
  • “Avoiding Post-Mortem Traps,” CLE Seminar

Professional Associations

  • American Bar Association
  • The Missouri Bar
  • Bar Association of Metropolitan St. Louis

My Team

Administrative Assistant:

Beverly Rapp-Mayes


Practice Areas

  • Business & Corporate
  • Estate Planning

Bar Admissions

  • Supreme Court of Missouri, 2003


  • Washington University School of Law, St. Louis, Missouri
    • LL.M. – 2007
    • Major: Tax
  • Washington University School of Law, St. Louis, Missouri
    • J.D. – 2003
    • Honors: Dean’s List
    • Honors: Scholar of Law, Gene & Marlene Zafft Academic Scholarship
    • Intellectual Property Moot Court Team, 2002-2003
  • University of Missouri-St. Louis
    • B.A. – 1995
    • Major: Philosophy and Communications
    • Minor: Legal Studies

Employment History

  • Lashly & Baer, P.C.
    Counsel, 2012 – Present
  • Rosenblum, Goldenhersh, Silverstein & Zafft, P.C. Attorney, 2003 – 2012

Contact Our Attorneys Today

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Plan Your Visit

Lashly & Baer, P.C.


714 Locust Street

St. Louis, MO 63101

Map & Directions

Call: 314-621-2939

Fax: 314-621-6844


20 East Main Street
Belleville, IL 62220

Map & Directions

By Appointment Only
Call: 618-233-5587
Fax: 314-621-6844