Compassionate Counsel for Life’s Most Important Decisions

At Brothers Henderson Durkin, P.S., our mission is to provide compassionate, high-quality counseling for individuals, families, and professionals in all aspects of planning and conflict resolution relating to aging, disability, death, and the passing of wealth between generations.

 

Our client relationships often span generations to provide consistency for our clients, their families, and their loved ones.

News & Resources

Why Every 18-Year-Old Needs an Estate Plan

March 10, 2026
Brothers Henderson Durkin is the top estate law firm in Seattle. Their estate lawyers explain why all 18 year olds should have an estate plan in place. Washington State Estate Lawyers.

Major Changes to Washington Estate Law Are In Effect: What Residents Need to Know

March 10, 2026
Brothers Henderson Durkin, leading estate law firm in Seattle, shares updates to Washington Estate Law for Washington residents seeking advice from an estate lawyer for estate planning.

Brothers Henderson Durkin Welcomes Katie Marrs and Amy Spitzer as Partners

February 10, 2026
Brothers Henderson Durkin, P.S. proudly announces the promotion of Katie Marrs and Amy Spitzer to partners, recognizing two outstanding attorneys whose leadership, judgment, and dedication to clients exemplify our values. Both Katie and Amy have become trusted leaders within the firm distinguishing themselves through exceptional client service, practice area knowledge, and leadership within the elder law, disability, guardianship, and healthcare communities. Their advancement strengthens our management team and reflects our long-standing commitment to compassionate, high-quality representation. “We are delighted to promote Katie and Amy to partners of the firm,” said named partners Joshua Brothers, Christopher Henderson, and Katrina Durkin in a joint statement. “Both are leaders in disability and elder law and have earned the trust and respect of clients and colleagues alike. As partners, they will continue delivering exceptional client service while taking on expanded leadership roles guiding the firm’s growth and mentoring the next generation of attorneys.” 
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Comprehensive Services For Washington State Clients

How do you start tough conversations related to aging? What resources can you leave to a disabled loved one without affecting government benefits? In these questions and many others, you need sound legal answers.


At Brothers Henderson Durkin, P.S. our attorneys address the comprehensive needs of our clients, offering a broader range of services than traditional firms in our areas to meet our clients’ needs. When you work with us you get a partner with the resources and experience to advocate for you. Creating and maintaining long-term relationships are as important to us as providing high-caliber legal services. We treat all clients as important, capable, and independent individuals regardless of their abilities.

At The Forefront Of Disability And Elder Law

Our firm has been representing Seattle clients for more than four decades. We have been a trailblazer in our field and advocate for systemic change that benefits those with disabling conditions along with their families.


Our clients can turn to us for knowledgeable legal advice and compassionate representation.


We provide top-tier guidance in the following areas:

  • Disability law, including special education, guardianships, special needs trusts
  • Elder law that spans long-term care planning to end-of-life issues
  • Estate planning from a simple will to complex trusts to powers of attorney and health care directives
  • Probate and issues related to administration of an estate
  • Litigation & settlement planning and recovery management

Making A Difference In Our Community

How do we show our commitment to disabled and aging communities? We serve as board members, volunteers, advocates and take on speaking engagements and adjunct professor roles in various organizations such as the Brain Injury Alliance of Washington, the Arc of King County, the Wallingford Senior Center, the Alzheimer’s Association, and the Seattle University School of Law.