Serving clients since 1929.
With more than 60 lawyers in offices in Washington and Oregon, we have proven trial results and are dedicated to the welfare of our clients
Williams Kastner is Committed to Our Clients.
That commitment is reflected through our quality legal work, personalized approach to servicing our clients, and the integrity and pride we devote towards our practice of law.
Quality
We pride ourselves on providing quality legal work that is valuable and helpful to our clients.
Integrity
We value integrity and it is reflected through the trusted relationships we form with our clients.
Service
We understand our client's business and are passionate about getting the most favorable results for them.
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News & Insights
Washington Expands Employee Rights to Personnel Files
Washington’s Industrial Welfare Act (“IWA”) (RCW 49.12) was recently amended to strengthen employee access to personnel files. Key Takeaways for Employers What changed: Four major updates: Personnel file defined – The law now specifies what a “personnel file” includes, clarifying employer recordkeeping obligations. 21-day response deadline – Employers must provide an employee (or their designee)...
Williams Kastner Relocates Seattle Office to Newly Designed Space
Williams Kastner is pleased to announce the relocation of its Seattle office to a newly designed space in downtown Seattle, effective September 8, 2025. The firm, which has been a cornerstone of the Pacific Northwest legal community since 1929, has been located in Two Union Square for over 30 years and consolidated its Seattle office...
Williams Kastner Recognizes 2026 Best Lawyers Honorees
Williams Kastner is proud to announce that 20 of our attorneys have been named to the 2026 edition of The Best Lawyers in America©. In addition, seven attorneys have been recognized in Best Lawyers: Ones to Watch. We are especially pleased to share that Heidi Mandt has been honored as Lawyer of the Year in...