Troy G. Allen

Troy G. Allen


Primary Office: Phoenix, AZ
Phone: 602-256-0000

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Troy Allen is a partner at Koeller, Nebeker, Carlson & Haluck, LLP and is licensed to practice law in Arizona, Missouri, and Colorado. He has argued before the United States Court of Appeals for the Eighth Circuit, Missouri Supreme Court, and many state trial courts.

Born and raised in Phoenix, Troy attended Brophy College Preparatory and then the University of Arizona. He graduated from the University of Missouri-Columbia School of Law in 1999. While attending law school, Troy's grades allowed him to join the Missouri Environmental Law & Policy Review. After law school, he gained valuable experience, including trial experience, working in the Litigation Division of the Missouri Attorney General's Office. Troy has been with Koeller, Nebeker, Carlson & Haluck, LLP since 2002, primarily handling construction defect and civil litigation. He is a member of the Maricopa County Bar Association.

Troy met his wife, Nikki, while attending the University of Missouri, and they have two sons, Gavin and Garrett.


  • University of Arizona, 1992 - B.A.
  • University of Memphis, 1996 - M.P.A.
  • University of Missouri-Columbia, 1999 - J.D.

States Licensed to Practice

  • State Bar of Missouri, 1999
  • State Bar of Arizona, 2000
  • State Bar of Colorado, 2010

Areas of Practice

  • Construction Claims
  • Construction Litigation
  • General Legal Defense