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Koss Firm APC

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Legal services in Walnut Creek, CA

Walnut Creek, California
Law firm
5.0 - 1 Reviews

Contact Information

About This Office

Koss Firm APC is a law firm in Walnut Creek, California. Public California State Bar records list 2 attorney profiles using this office address. The associated attorneys are Adam Michael Koss and Catherine Elizabeth Koss. 2 of these profiles list an active license. Their recorded admission year is 2006. Profiles linked to this address self-report practice areas including Professional Liability, Litigation, Trusts & Estates, and Wills & Probate. The State Bar reports certified specialties among these profiles in Legal Malpractice Law (State Bar of California). These profiles report California Lawyers Association membership in Trusts & Estates.

Practice Areas Reported by Attorneys at This Office

These areas come from individual attorney profiles and may not describe every service offered by the firm.

Client Reviews

kaushal patel Avatar
kaushal patel
5/22/2026
Of all the decisions I have made in my 40 years, hiring Adam Koss for my case definitely tops the list as one of the best decisions. I was a victim of a fraud/scam, and Adam is extremely knowledgeable, professional and an expert when it comes to Malpractice law. He provides you a clear picture of what to expect and knows the nuances of the law to get your claim accepted. By far the best attorney you can hire with utmost integrity, interested in getting you the best outcome. Before hiring Adam I spoke to multiple attorneys, out of all of them Adam was the most genuine and recommended what would be best for me, which was not the case with other attorneys I consulted. If you are looking to hire an attorney for a malpractice case, look no further, HIRE ADAM KOSS right away. I left the outcome of my case in Adam’s hands and I am more than pleased with the result, as my chances initially of winning the case or reach a settlement were close to zero. I have never written a review for anyone ever, but in case of Adam Koss writing this review is not enough.
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California attorney registration

Record matched to the official California attorney registry

Bar #245465 · Admitted 2006

Bar #244857 · Admitted 2006

Last verified September 10, 2026.

Source: California public attorney records. No affiliation or endorsement.

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