Allen Dell

Attorneys at Law

813.223.5351 202 South Rome Avenue Suite 100
Tampa, Florida 33606

Donna L. Longhouse

Donna Longhouse is a shareholder with the law firm of Allen Dell.


Ms. Longhouse practices exclusively in the areas of tax, trusts and estates.

Awards & Accolades:

Best Lawyers Award Badge




Practice Areas:

  • Complex tax planning for, and representation of, individuals, businesses, tax-exempt organizations, and trusts and estates; wealth preservation
  • Business succession planning
  • Representation of individual and corporate fiduciaries
  • Trust and estate administration
  • Charitable planning


  • University of Florida Levin College of Law, LL.M. Taxation, 1994
  • University of Florida Levin College of Law, J.D., 1993
  • University of South Florida, B.A., 1984


  • The Florida Bar, 1993
  • U.S. Tax Court, 1994

Presentations and Publications:

  • Frequent lecturer and author on gift, estate, generation-skipping transfer and fiduciary income tax issues; wealth preservation; business planning; tax-exempt planning; trust and estate administration; cross-border transactions
  • Adjunct Professor of income tax at Stetson University College of Law

Current and Prior Professional Associations:

  • American Bar Association
    • Section of Taxation
    • Section of Real Property, Trust and Estate Law
  • The Florida Bar
    • Tax Section, Vice Chair Gift and Estate Tax, Federal Tax Division
    • Real Property and Probate Section
    • Served on the 13th Judicial Circuit Unlicensed Practice of Law Committee
  • Hillsborough County Bar Association
    • Tax Law, past co-chair
  • Tampa Bay Estate Planning Council, past president


  • AV Preeminent, Martindale-Hubbell Law Directory
  • Florida Trend’s Legal Elite, 2014
  • Florida Super Lawyers since 2012
  • Best Lawyers in America, since 2010
  • The Legal 500 United States, 2013 edition, area of Tax, Domestic-East Coast.

Community Service:

  • Community Foundation of Tampa Bay, Chair of the Board of Trustees
  • University of South Florida Foundation, Trustee
  • Leadership Tampa Bay 2016
  • The Florida Orchestra, past Board
  • Joshua House, past Board
  • Children’s Home Society, Florida Southwest Region, past Board
  • University of South Florida Alumni Association, Audit and Finance Committee, past member
  • University of South Florida, St. Petersburg College of Arts and Sciences Community Advisory Council