Biggio retired from playing baseball in 2007, he lives in Houston, where he raised his children and coached baseball at their high school, consulted on an eponymous Downtown restaurant, and maintains a role as the special assistant to the general manager of the Houston Astros. A 1,600-acre ranch located an hour's drive west of San Antonio and owned for 20 years by Houston Astros legend Craig Biggio hit the market in 2024 for just over $12 million.