A headshot of Brett Durbin.

Brett Durbin

Partner
Seattle

Brett Durbin co-leads the firm’s State and Local Tax team. Brett counsels clients on state and local tax issues spanning both transactional and litigation matters, including general business planning and representing clients before the Washington State Department of Revenue and Washington State Board of Tax Appeals. 

Brett's experience includes serving as the Assistant Attorney General for the Washington State Attorney General's Office, where he represented the DOR in the assessment of state and local taxes. He also managed all phases of litigation from risk assessment through discovery to appellate briefing and argument.

Professional Highlights

Professional Activities

Washington State Bar Association, Secretary, Tax Council; State & Local Tax Committee; Chair, Legislative Committee

American Bar Association, Tax Section, State & Local Tax Executive Committee; Co-Chair, Model Tax Tribunal Taskforce; Co-Chair, Website Committee

Institute for Professionals in Taxation

Recognition & Accomplishments

Excellence Award, Institute for Professionals in Taxation

The Best Lawyers in America, "Seattle Lawyer of the Year," Litigation and Controversy – Tax, 2023

Chambers USA, Tax (Washington), 2024, 2025

The Best Lawyers in America, Litigation and Controversy – Tax, Tax, 2021-2026

Speaking Engagements

Presenter, "Navigating Changes, Key Court Decisions & Strategic Use of VDAs," Pacific Tax Institute, October 22, 2025

Presenter, “Navigating the New Digital Advertising Tax: Washington State ESSB 5814,” American Advertising Federation (AAF), October 8, 2025

Presenter, "Recent Court Cases," Washington State Tax Forum, August 7, 2025

Credentials 

Education

University of Washington School of Law (J.D. 2004)

Western Washington University (B.A, 2001)
Honors Program

Admissions

Washington

U.S. District Court for the Western District of Washington