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About Maria Fernanda Castro

Maria Fernanda Castro in a black suit, standing beside a waterfront railing.

Agent Details

Meet Maria Fernanda

Part of The Joseph Realty Team at The Agency La Jolla, Tricia is a dedicated REALTOR® and Zillow Premier Agent who has been helping buyers and sellers achieve their real estate goals since 2017. Known for her compassionate approach, exceptional communication and solution-oriented mindset, she is passionate about making every client feel informed, supported and confident throughout the buying or selling process. Fluent in both English and Spanish, Tricia works with a diverse range of clients across San Diego County, specializing in first-time buyers, military and VA families, relocation, luxury homes and investment opportunities.

Born and raised in San Ysidro, Tricia has a deep appreciation for the diversity and vibrant communities that make San Diego such a special place to call home. Her extensive knowledge of neighborhoods throughout San Diego County, including Chula Vista, Eastlake, La Jolla, Point Loma, Poway, Rancho Bernardo, Scripps Ranch, Coronado and beyond, allows her to expertly match clients with the lifestyle and community that best fits their needs. Recognized for her strong negotiation skills, hands-on guidance and unwavering commitment to client care, Tricia approaches every transaction with integrity, professionalism and genuine compassion. She believes that every challenge has a solution and is committed to advocating for her clients' best interests every step of the way.

Before beginning her real estate career, Tricia was a stay-at-home mother, an experience that shaped her patient, caring and people-first approach to serving others. Her Christian faith remains at the heart of everything she does, and she believes each client is placed in her path for a purpose. She often prays for her clients and their future homes before they even meet, reflecting the care, compassion and sense of purpose she brings to every relationship. Many of her clients remain friends long after the transaction closes—a testament to the trust she builds and the lasting relationships she values. Away from real estate, Tricia enjoys spending time with her three children, travelling, discovering new restaurants, supporting her children's school community and giving back through local service initiatives. She is passionate about helping families build wealth through homeownership while creating opportunities and a lasting legacy for future generations.

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