Thank you for coming to St. Catherine of Siena Roman Catholic Church in Vallejo, California. We know that joining a new parish can be overwhelming so we have prepared a simple guide for how to begin your journey of faith with our community.

Come to Mass

Come join us for our Sunday masses as well as the other opportunities to pray with us throughout the week. Visit our Mass Times page for more info.


Register as a New Parishioner

Please register yourself and your family with St. Catherine’s or update your existing information using the form below. Registration will allow us to:

  • Help you with sacrament preparation such as baptisms, first communion, confirmation, and marriage.

  • Plan events and projects to help you grow in your faith.

  • Provide you with monthly donation envelopes so you can give back to your parish.


Find Your Community

Living the Catholic faith is not just a Sunday duty, but an adventure in fidelity that continues throughout each day of our lives. At St. Catherine’s, we want you to grow spiritually and the best way to do that is through community life. Check out our Ministries page to find out about the many ways to get involved with others.

Our parish hosts many events throughout the year to help you grow in your faith. Please check out our parish bulletins and events posts for more information about the many exciting opportunities to connect with your brothers and sisters in Christ.


Receive the Sacraments
And Grow in Your Faith

For adults who are interested in becoming Catholic, or have not received the sacraments of Confirmation or First Holy Communion, visit our Becoming Catholic page for more information about how to get acquainted with our faith and traditions and ways we hope to prepare you for being welcomed fully into the life of Christ.

If you would like your child baptized in the Catholic Church, please visit our Baptism page.

To help your child grow in the Catholic faith and prepare to receive the Sacraments of First Holy Communion and Confirmation, visit our Religious Education page.

The journey of faith does not end after Confirmation. Our parish’s Adult Faith Formation program has many opportunities for deepening your relationship with Jesus Christ and learning more about the rich traditions of our Catholic Faith. Visit our Adult Faith Formation page for more info.