- 3835 Avocado Blvd Suite 265, La Mesa, CA
- office@mattiayousif.com
- Mon - Fri: 08AM - 06 PM
- عربي
At Mattia & Yousif Law, we are committed to providing trusted legal guidance with integrity, experience, and personalized attention. Serving individuals, families, and businesses throughout San Diego County, our firm focuses on estate planning, probate, personal injury, business law, and conservatorships. We take the time to understand every client’s unique needs, delivering practical legal solutions and dedicated advocacy to help protect what matters most.


Steve Samir Mattia is a Partner and Principal Attorney at Mattia & Yousif Law. With a rich background in small business management, he brings a wealth of experience and a unique perspective to his practice, offering tailored legal solutions to his clients.
Mr. Mattia has spent his career assisting entrepreneurs and small business owners as they navigate, incorporation, licensing, management, and business growth. In addition, Mr. Mattia’s practice includes drafting trusts, wills, and other estate planning documents as well as counseling clients as to their estate options.
When not diligently representing clients, Mr. Mattia spends time with his family and volunteers with his community and church.
Oday Yousif Jr. is a Partner and Principal Attorney at Mattia & Yousif Law. Mr. Yousif has a long background in personal injury litigation from his first internship to managing his previous firm’s civil litigation case load. Whether car accident, dog bite, or brain injuries, Mr. Yousif can help you. Mr. Yousif also assists in the firm’s estate planning and business transaction practice primarily with core clients.
Zealous advocacy for clients is the basis to Mr. Yousif’s representation style and is at the forefront of Mattia & Yousif Laws’ client centered practice. The work and results produced by Mr. Yousif and the team is a result of unwavering commitment to our clients and excellence in our work.
When not advocating for clients, Mr. Mattia spends time with his family and volunteers with his community, serving as Chair of the Valle de Oro Community Planning Group.

Schedule a no-cost consultation with Mattia & Yousif Law today. We’ll review your situation and help you understand which options are available and best for your specific circumstances.