Avery A. Kastenbaum, Esq.

Avery Kastenbaum is a multidisciplinary professional whose career bridges law, real estate, and strategy. With a Juris Doctor from the University of Richmond School of Law and professional licenses in both South Carolina and California, Avery brings a sharp analytical mindset and a solutions-oriented approach to complex regulatory, operational, and investment challenges.

Her background includes years of experience in civil litigation—representing corporate clients such as Uber and large-scale property entities—where she developed expertise in risk assessment, negotiation, and data-driven decision-making. Transitioning into real estate, Avery leveraged her legal acumen to advise clients on asset valuation, market trends, and transactional structures across residential and commercial portfolios in the Charleston area.

At the intersection of law, investment, and market strategy, Avery is known for her ability to synthesize diverse data points into actionable insights. She approaches each engagement with the rigor of an attorney and the foresight of client enrichment. 

Education

• University of Richmond School of Law – Juris Doctor, Certificate of Concentration in Intellectual Property
• University of Southern California – B.A.
• Université Paris-Sorbonne (Paris IV)

Professional Experience

• Meyers, McConnelle, Reisz, Siderman Law Firm
• Girardi Keese Law Firm
• Children’s Law Center of Los Angeles
• Charleston County Probate Court, SC

Licenses

• State Bar of South Carolina
• State Bar of California

The professionals referenced on this page are not employees, agents, representatives, or supervised persons of Behrle & Bergin or Prospera Financial Services. They maintain separate and independent professional practices and provide services on their own behalf, not on behalf of or under the supervision of the advisor or the firm.
Otto Behrle and Avery Kastenbaum are not registered representatives or investment adviser representatives, and they do not provide investment advisory services through our firm. Any tax, legal, or accounting services offered by them are provided solely through their independent practices.
The CPA and attorney listed on this website are the children of Steve Behrle. Because of this family relationship, the advisor may have a financial or personal incentive to recommend or refer clients to their services. Clients should be aware that this presents a conflict of interest, and you are under no obligation to engage these individuals. You may choose any tax, legal, or accounting professional you prefer.