3Crosses finds creative ways to reach people with the Gospel of Jesus. It provides exciting programs for children and students. It builds relationships with the friends, family, and neighbors and share the transformation story. It preaches and studies God's Word.

Castro Valley is a census-designated place in Alameda County, California. As of the 2010 census, it is the fifth most populous unincorporated area in California and the twenty-third most populous in the United States. The population was 66,441 at the 2020 census.