San Antonio

The Castillo Group

The Castillo Group | Keller Williams Realty

(210) 854-7894


Zach and Mariana Castillo are the owners of The Castillo Group, a top real estate group located in San Antonio, Texas. Zach and Mariana began their career in real estate while attending Texas State University. After graduation, they began working for a local real estate firm. Eventually aspiring to learn and lead, Zach joined San Antonio’s top real estate firm, Keller Williams Realty in 2013 and Mariana followed in 2015. As a San Antonio native, Zach and Mariana understand the unique qualities our city and hill country have to offer, and enjoy helping homeowners locate the perfect area for their needs and wants. With their training and experience working with some of the best in the city, they have honed their selling and negotiating skills. They consistently earn their clients’ top dollar on homes they are selling, allowing them to walk away with thousands more in their pocket. With the help of their young and energetic team, the Castillo Group is quickly gaining ground within San Antonio’s real estate market. Since the founding of The Castillo Group, Zach, Mariana and their team have helped more than 175 families in and around the San Antonio area totaling in over $25 million sold. The team’s goal is to continue to grow and help over 200 families a year sell and invest in real estate. They continue to rank as one of the “Top 20 Agents in Keller Williams” month-after-month, and offer training and other educational classes to hundreds of agents in the Keller Williams offices. Zach and Mariana are currently distinguished Platinum Top 50 Realtors® and San Antonio award winners. To learn more about Zach and Mariana Castillo and the Castillo Group with Keller Williams Realty click here.