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Williams Kastner Of Counsel

Duncan R. Connelly

Duncan R. ConnellyOf Counsel
Duncan R. Connelly


Duncan R. Connelly is Of Counsel in the Seattle office of Williams Kastner. His practice involves estate planning through the use of wills, revocable living trusts and agreements regarding the status of property (community property and domestic partner agreements). He advises on tax-sensitive estate planning and wealth transfer strategies for high net worth and ultra-high net worth individuals, estate and trust administration for high net-worth families and charitable planned giving for families and individuals. He works with personal representatives and trustees on the administration of estates and trusts and also works with corporate and individual fiduciaries and beneficiaries to nonjudicially resolve trust and estate disputes and other trust and estate matters.  Mr. Connelly has been recognized as a “Rising Star” by Super Lawyers (a rating service of outstanding lawyers from more than 70 practice areas who have attained a high-degree of peer recognition and professional achievement).

Duncan also assists clients with the formation of entities such as limited liability companies and non-profit corporations, as well as with a wide range of related tax issues. He is well versed in assisting clients in obtaining recognition of tax-exempt status under Section 501(c)3, having obtained tax-exempt determinations for non-profit entities as public charities, social welfare organizations, business associations and governmental instrumentalities.


  • King County Bar Association
  • Real Property, Probate and Trusts Section
  • Kitsap County Bar Association
  • Estate Planning, Probate and Trusts Section
  • Washington State Bar Association
  • Real Property, Probate and Trusts Section
  • American Bar Association
  • Real Property, Trust & Estate Law Section

Recognitions & Awards

  • Rising Star: Super Lawyers


University of Washington School of Law – J.D, 2010
University of Washington School of Law – L.L.M. (Taxation), 2010

Stanford University – B.S. Earth Systems, 2004
Stanford University – M.S. Earth Systems, 2004