Saint John First Missionary Baptist Church believes that there is one God who exists in three persons: God the Father, God the Son and God the Holy Spirit.
Saint John First Missionary Baptist Church accepts the Scriptures of the Old and New testament as the inspired record of God without any error and is the sole authority for life and faith.

Saint John First Missionary Baptist Church believes that Salvation is a gift received through repentance toward God and faith in Jesus Christ. Every person who is truly saved is eternally secure in the Lord Jesus Christ and will spend eternity in Heaven. Those who die in their sins without Jesus Christ as Lord and Savior will spend eternity in Hell.

Saint John First Missionary Baptist church believes that water baptism is an act of obedience to the command of Christ and is by immersion after salvation. The church is a local body of baptized believers with Jesus Christ as the head.

Saint John First Missionary Baptist church also has adopted the Church Covenant as a means by which its members may express their intent ot accept the Lordship of Jesus Christ in the affairs of daily life.