Darek M. Jarski
Darek M. Jarski
Practice Areas:

Civil Tax Controversy
IRS Offshore Voluntary Disclosure Program

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Call: 206.357.5088
Fax: 206.223.1099

Legal Assistant: Katie Bonwell

Professional Profile

Mr. Jarski’s practice consists of tax controversy matters before the Internal Revenue Service. His recent cases include, but are not limited to, helping clients resolve off-shore compliance issues, complex IRS audits, challenging Trust Fund Recovery Penalty assessments, voluntary disclosures, representing non-filers, tax collection matters, penalty abatements, information return compliance issues and criminal tax defense.

Mr. Jarski joined LeSourd & Patten, P.S. in 2003 after having completed the Masters of Law in Taxation program at New York University. While at NYU, he focused on business taxation, with an emphasis on corporate reorganizations and partnership taxation.

Prior to attending NYU, he graduated magna cum laude from Gonzaga University School of Law in Spokane, Washington. While at Gonzaga, he interned with United States Attorney’s Office for the Eastern District of Washington.

Mr. Jarski speaks Polish and studied German and Russian. In his free time, he enjoys snow skiing, water skiing, biking, and spending time with his wife and two children.


  • New York University, LL.M. in Taxation, 2003
  • Gonzaga University School of Law, J.D., magna cum laude, 2002
  • University of Washington, B.A., 1999


  • Gonzaga Law Review, Associate Editor American Bankruptcy Institute Medal of Excellence

Presentations & Publications

  • Adjunct Professor: Federal Tax Procedure, Golden Gate University
    (Seattle, Washington)


  • Washington State Bar Association, Taxation Law Section, Past President

Bar Admissions

  • Washington State
  • United States Tax Court
  • United States District Court for the Western District of Washington