About This Office
Hartnett Law Group is a law firm in Fullerton, California. Public California State Bar records list Patrick Michael Hartnett at this office address. State Bar records list an active license and admission in 1986. The profile identifies Santa Clara University School of Law in Santa Clara, California as the law school. The attorney’s profile identifies Business Law, Construction Law, Contracts, Litigation, and Real Estate as practice areas self-reported to the State Bar. The profile reports California Lawyers Association membership in the Business Law, Labor & Employment, Litigation, and Real Property 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.
Client Reviews
California attorney registration
Record matched to the official California attorney registry
Bar #125093 · Admitted 1986
Last verified September 10, 2026.
Source: California public attorney records. No affiliation or endorsement.

