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
Williams Kastner Welcomes Brent Elswick to the Firm’s Seattle Office
Williams Kastner is pleased to welcome Brent Elswick as a Member in the firm’s Seattle office. Brent brings nearly 15 years of experience advising businesses and individual clients on corporate, transactional, and general business law matters, with a particular emphasis on aviation law. His practice includes representing clients in the purchase, sale, lease, and financing...
Williams Kastner Earns National and Regional Recognition in 2026 Best Law Firms® Rankings
Williams Kastner has been recognized in the 2026 edition of Best Law Firms®, achieving national and regional rankings across multiple practice areas. The firm is noted for its comprehensive legal services and strong regional presence in the Pacific Northwest. National Rankings: Williams Kastner received National Tier 3 rankings in Environmental Law, Litigation – Construction, and...
Washington Paid Family Medical Leave: Significant Changes for 2026
Recent and significant amendments to Washington’s Paid Family Medical Leave law, RCW Ch. 50A (PFML), start taking effect January 1, 2026. The full pending PFML changes (as passed by the Washington Legislature) are available here. Key changes and takeaways are summarized below. Key Changes and Takeaways for Employers: Job protections expanded and accelerated – Effective January...