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Orange County Construction & Business Litigation Law Firm

At Ghassemian Law Group, we take pride in our identity as a boutique law firm specializing in business and construction cases. Our success stems from a unique blend of small firm dedication in addition to extensive experience handling complex matters typically associated with larger firms. Our track record speaks volumes, showcasing our ability to effectively resolve complicated construction litigation with finesse and expertise.


Orange County is the 3rd largest county in California, with an estimated population of over 3 million.  The county has the highest median household income of all counties within Southern California at approximately $110,000 per year, which has increased 8-10% each year since 2021. The unemployment rate is the lowest of the surrounding counties at 3.7% and a recent projection shows that the county plans to add approximately 250,000 jobs over the next decade.

Several celebrities are originally from Orange County, and dozens of movies and TV shows have been filmed in the county. South Coast Plaza, located in Costa Mesa, is the 4th largest shopping mall in the United States and one of the largest glass buildings in the world is located in Garden Grove. One of the most common destinations in Orange County is Disneyland, which has attracted millions of visitors since opening in 1955. With its sunny beaches, vibrant history, and a variety of destinations to visit Orange County is overflowing with excitement and charm.


Ghassemian Law represents construction companies, engineers, designers and architects, business owners, owners of custom-built homes, and residential project developers. Our expertise is backed by an understanding of the industry as shown by our track record of successful case outcomes. With a deep comprehension of the intricacies of the construction sector, we excel in effectively communicating with judges and juries and simplifying complex terminology that may otherwise cause challenges. When Ghassemian Law Group takes on your case, you will notice a deep understanding of:

At Ghassemian Law Group, we represent a diverse clientele including employees seeking fair pay and business managers who would like to streamline their legal processes. Beyond courtroom representation, we are committed to working with you to create robust contracts, organize your business efficiently, and navigate through complex legal matters. By trusting us with your legal matters, you can redirect your time, energy, and resources to business growth.

If you’re based in Orange County, Ghassemian Law Group is ready to advocate for your interests. We offer real-world experience to meet your business needs and our team includes fluent Spanish speakers to ensure effective communication for bilingual clients. Contact us today to discuss how Ghassemian Law Group is the right fit for you.


Ghassemian Law provided thoroughly constructed and effective legal strategies for successful outcomes in the complex world of construction law for our small company. Core competence, due diligence, and a commitment to client needs are strengths that inspire confidence and keep producing results when it counts most.

Peter Greenberger

Pacwest Construction and Development Inc

Mahyar and her team possess a wealth of construction and business law expertise. Expertise to both guide a client away from litigation and, if not possible, to skillfully represent them in court.

Thierry Montoya

AlvaradoSmith APC

Mahyar Ghassemian and her firm are the best construction dispute litigators and negotiators in the industry. Mahyar is an expert in this area. Her firms knows the law and are very tenacious in obtaining the best results for their clients. I have been involved in very lengthy litigation as co-counsel in a very big case and jury trial. Mahyar is one of the hardest working and most effective advocates I have ever had the privilege of working with.

Paul Hoffman

Hoffman Legal Corporation

Small Firm Value – Large Firm Expertise