Annunziata Catholic Church is part of the Archdiocese of St. Louis. The pastor of the church is Monsignor John Leykam.
Regular prayer service is held at Annunziata and the church operates numerous community outreach programs including a food collection and participation in the local Habitat for Humanity organization.
Annunziata operates its Parish School of Religion, which provides religious instruction for Annunziata parishioners grades pre K-8.