The St. Louis Catholic Church and affiliated school has an active community with both Sunday and daily masses.
The church sponsors several religious education classes, including learning how to speak Latin and classes for those wanting to become members of the Catholic church.
The St. Louis Catholic School, on the same campus as the church, provides education for elementary school students. Information about the school can be found on the church's website.
Annandale United Methodist Church is a multicultural community built on the core values of Christianity. The congregation is dedicated to loving God, their neighbors and the world. There is a large, welcoming foyer with arched windows that allows sunlight to fill the worship area. Kids can play in one of several side rooms. Annandale United Methodist offers English and Korean services and alternative worship experiences.
UCP of Reston is an ecumenical church uniting in ministry four denominations: Christian Church, Church of Christ, Presbyterian Church and United Methodist Church.
Since its founding in 1973, UCP members has had an active membership and community. The church has many programs for all ages, as well as a preschool on the property.
Christ House provides food, emergency-assistance shelter and support to men and women in need. Volunteers act as job mentors to help the homeless find employment. The organization also serves meals and manages a thrift shop.