About This Office
Koestner & Shahon, Attorneys at Law is a law firm in Whittier, California. Public California State Bar records list Marie Solorzano Koestner at this office address. State Bar records list an active license and admission in 1997. The profile identifies Western State University COL in Fullerton, California as the law school. The attorney’s profile identifies Family Law, Trusts & Estates, and Wills & Probate as practice areas self-reported to the State Bar. The profile reports Spanish as a language spoken by the attorney. The profile reports California Lawyers Association membership in the Trusts & Estates and Family Law sections.
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.
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California attorney registration
Record matched to the official California attorney registry
Bar #191790 · Admitted 1997
Last verified November 3, 2026.
Source: California public attorney records. No affiliation or endorsement.


