In 1942, he accepted his first pastorate at Fourth Ward Baptist Church in Ennis, Texas. In August 1952, he was named pastor of Calvary Baptist Church in San Diego where he served until retiring in 1993.
During Lockridge's tenure at Calvary Baptist, a predominantly African-American congregation, his ministry reached more than 100,000 people.He preached at crusades, revivals, religious rallies and evangelistic conferences around the world.
He also served in key regional, state and national positions with the Baptist Church, including being elected the first president of the National Missionary Baptist Convention of America.
He held doctorates and numerous honorary degrees and was often sought as a public speaker, even after he retired in 1993. He served as guest lecturer at numerous schools and universities and on the faculty of several others, including the Billy Graham School of Evangelism.
Lockridge was active in the civil rights movement, and under his leadership Calvary Baptist hosted several of its leaders, including Martin Luther King Jr. and Jesse Jackson.
His best-known message is a six and a half minute description of Jesus Christ, known as "That's my King!" for Lockridge's repeated refrain.
Thats My King