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Firm Overview

Founded in 1899, Hahn & Hahn LLP remains one of the oldest law firms in California and has grown to be the largest general practice firm in Southern California's San Gabriel Valley. Now in its second century, the firm retains its century-old tradition of integrity, service and excellence in the practice of law.

We are committed to serving our clients and our community. The firm's practice reflects the vitality of the Pasadena community, of which the firm is an integral part, and the rapidly changing Los Angeles metropolitan area. As our clients experience dynamic growth and our community evolves, so does the firm. Long-standing relationships and client loyalty reflect our experience, style and strength. The firm delivers the highest quality legal services in a prompt, efficient, cost-effective and professional manner. Our lawyers place a high value on their commitments both inside and outside the firm. We believe that our diverse interests and richness in our personal lives contribute greatly to the sophisticated practice of the firm and the quality of our professional representation.

Hahn & Hahn's History

On September 1, 1899, Benjamin W. Hahn and his brother, Edwin F. Hahn, opened a law partnership they called Hahn & Hahn. It was the turn of the century, and in Washington D.C., William McKinley became the first U.S. President to ride in a horseless carriage. In the South Pacific, the Spanish-American War reached its conclusion with the signing of the Treaty of Paris. From Italy, Guglielmo Marconi introduced the world to the wireless telegraph and was preparing to broadcast the first Transatlantic radio signal. And in the fledgling City of Pasadena, California, itself barely ten years old, Hahn & Hahn opened a small office in the Wetherby & Kayser Building, located on a wide dirt road named Colorado Boulevard.
Building on a reputation of honesty and integrity, the new partnership flourished. Benjamin and Edwin, the former now also serving as Los Angeles County's representative to the State Senate, were joined in 1917 by Benjamin's son, Herbert L. Hahn, recently graduated from Stanford Law School. Following Edwin's appointment to the Superior Court bench in 1921, the law firm moved to the newly-constructed Pacific-Southwest Building at the corner of Colorado and Marengo Boulevards, where it would remain until 1964, when the firm moved to its current location at 301 East Colorado Boulevard.