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The Johnston | Thomas


At Johnston | Thomas, you’re more than a client — you’re a part of our family. We are a multidisciplinary law firm committed to providing clients — both individuals and corporations — with passionate and professional legal representation in the areas of business, real estate, construction, nonprofit, estate planning, trust administration, probate and more. Our offices are in Sonoma County and Orange County, California, and serving clients nationwide.

Our Team Member

Our Attorneys

Our team consists only of
highly qualified and experienced
attorneys in multiple disciplines.

Roy N. Johnston

Roy N. Johnston

Chair of the Trust & Estate section of the Sonoma County Bar Association.

Ryan F. Thomas

Ryan F. Thomas

Represents a wide range of clients in the areas of residential and commercial finance and real estate matters.

James W. Brody

James W. Brody

Manages all the mortgage banking litigation, mitigation, and compliance matters for a diverse range of clients.

Ingrid K. Petersen

Ingrid K. Petersen

Prepared to handle the legal challenges associated with blockchain, enterprise, and SaaS solutions.

Bill Adams

Bill Adams

Serving as general counsel for public entities, homeowner’s association, private businesses, and high-wealth family offices.


Comprehensive legal service
to project your rights.

Call Now

Our Specialties

to protect your rights

CALL TODAY for a free consultation
(707) 545-6542


Roy gave me excellent legal advice regarding a financial issue in the state of California. He knows the law, and he is creative is figuring out solutions for your problems. I highly recommend him!
Andrew S., Santa Rosa, CA

I recommend Roy Johnston to others because of all the support he and his staff have given me.

Michael L., Contractors Plumbing Co.

Roy Johnston has been a great attorney for us. He assisted us with the setup of our corporation. He stays within his realm of expertise and refers us to other expert lawyers when we have legal needs that are outside of his focus. Mr. Johnston has been an invaluable resource ...

John Hansen, CEO of in Santa Rosa, CA