Liz A. Barsell, Esq.
Partner
With more than 30 years of experience in estate planning, trust administration, and probate, Liz has built her career on helping families protect their legacies with care and clarity.
Liz began her practice under the guidance of Robert L. Blackstock, with whom she founded the original firm, Blackstock & Barsell. Over the decades, she has earned a reputation for her deep knowledge of California estate planning and her calm, compassionate approach to guiding clients through life’s most personal legal matters.
Her clients value her honesty, her ability to simplify complex issues, and her genuine dedication to their families’ long-term well-being.
When she’s not working with clients, Liz enjoys spending time with family, tending her garden, and exploring local trails.
Contact Liz
Phone: (925) 945-8831 Ext. 1
Email: lizbarsell@gmail.com
McKenna B. Longchamps, Esq.
Partner
Born and raised in the East Bay, McKenna grew up around the practice, inspired by her mother’s example of integrity and compassion in law.
Today, McKenna carries forward that tradition with a modern, relationship-focused approach to estate planning, trust administration, and probate. In addition to her estate planning work, she handles all of the firm’s court cases, including probate proceedings, guiding clients through every stage of the process with clarity and care.
McKenna helps clients create thoughtful, practical plans that reflect their goals, values, and family dynamics — ensuring peace of mind for every generation. She is known for her approachable style and her ability to make complex legal concepts understandable. Clients often comment that they leave meetings feeling not only informed but confident about their decisions.
Outside of work, McKenna enjoys spending time outdoors, traveling with her husband, and working in her home garden.
Contact McKenna
Phone: (925) 945-8831 Ext. 2
Email: mckenna@bltrust.law