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At James J. Knappenberger, Attorney, LLC, we understand the importance of having a knowledgeable and dedicated legal advocate by your side. Located in Clayton, Missouri, attorney James Knappenberger represents the interests of individuals and small businesses alike.

Our law firm prides itself on delivering personalized attention and leveraging extensive legal experience both inside and outside the courtroom.  Attorney Jim Knappenberger is dedicated to fully understanding your legal needs, actively listening to your concerns, and recognizing the significance of your unique circumstances in developing tailored legal advice and strategies.

Our practice is guided by a profound dedication to serving the Lord, which empowers us to approach our work with integrity, compassion, and a steadfast commitment to justice.



Over 45 years of experience representing clients across a wide range of legal matters.

Affordable Fee

Affordable, transparent fee structure we communicate upfront without hidden fees.

Highly Rated

Highly rate across a number of different platforms.

Free Initial Consultation

Consult with attorney Jim Knappenberger at no cost to you.