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Southern California Law Firm with a Personal Focus

Welcome to Blasser Law, an honest family-owned law firm with over 18 collective years of civil litigation and transactional experience. At Blasser Law, we pride ourselves on providing clients with aggressive, strategic legal representation while sustaining our most important goal of treating clients with the human dignity and respect they rightfully deserve.

We understand the stress and anxiety our clients face in having to pursue or defend a legal dispute. It is this understanding that sets us apart from other law firms. Blasser Law employs a hands-on approach to representing clients at all stages – from providing quick responses and solutions to your legal needs, to early negotiations with your opponent, to the filing of a lawsuit, and to trial and appeal. We strongly believe that a large part of our job is to regularly inform and counsel our clients through every step of the legal process. By doing so, we reduce client stress, build trust and, most importantly, allow our clients to formulate accurate expectations about what to anticipate from Blasser Law and their case in the future.

Having represented both plaintiffs and defendants for almost two decades, Blasser Law possesses the competence and experience you need as well as a distinct perspective and ability to assess both sides of an issue. The result of our years of experience is our ability to create the best possible strategy to resolve your legal dispute.

Blasser Law proudly provides legal services throughout Los Angeles, San Bernardino, Riverside, San Diego and Orange County. In addition, we also serve clients in Northern and Central California.

If you have questions regarding a legal dispute, please contact our office at (909) 843-6363 for a free initial phone consultation or to schedule a meeting at our Diamond Bar office. You may also email us at or, or contact Blasser Law via facsimile at (909) 366-5852.

We look forward to speaking with you and to making a positive difference in your life or business.

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Client Testimonials

  • “William is an amazing lawyer and person! He fought for my rights as a father during a hard divorce. With his hard work and experience, he was able to win me 100% custody of both my small children, completely get rid of all child support bills, and completely get rid of my spousal support bills. I would recommend him to all my friends and family. He saved my family from the lies my ex told and proved my case in the court of law. I'am very thankful to have hired William Blasser to fight for me!”

    — Shane A., Los Angeles, CA
  • “He was not just a "lawyer", he was a very caring and understanding individual. He is able to empathize with his client and is very helpful in every way. As much as I called him, never once did I feel him express his annoyance in any way. He is easily accessible and very pleasant to talk to. Thank you Bill for all your help. Im hoping that I won't need you anytime soon, but in case I ever do again, I'll definitely be calling you first.”

    — Ren
  • “I recently contacted Lisa Blasser regarding an acute family legal matter that needed some legal expertise. Both Mr. and Mrs. Blasser (William and Lisa) responded quickly and reviewed my case and addressed my concerns. They were able to assist me and were very knowledgable, caring, empathetic, and honest. I highly recommend them and would call them again if the need arises.”

    — Suzi Q P., Pomona, CA
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A Family Owned Law Firm Dedicated to Our Clients

  • William N. Blasser, Esq.

    William N. Blasser, Esq.

    Bill received his undergraduate degree in Economics from the University of Montana in 1997 and his Juris Doctorate from Western State College of Law in May of 2004, where he graduated with distinguished scholastic honors. While in law school he received the Witkin Legal Institute Award for Academic Excellence in the areas of Negotiations, Advising…

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  • Lisa M. Blasser, Esq.

    Lisa M. Blasser, Esq.

    Lisa received her dual undergraduate degrees in Criminal Justice Administration and Sociology (with an emphasis on Social Deviance) from San Diego State University in 2001 and her Juris Doctorate from Western State College of Law in 2004, where she graduated with scholastic honors. While in law school, she clerked for the late Senior Federal District…

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Blasser Law

20955 Pathfinder Road, Suite 100
Diamond Bar, CA 91765




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