Welcome to Saint Sebastian Catholic Church

Proclaim Christ and grow believers through the sacramental life of the church as an inclusive and responsive Catholic community.

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Outreach »

Carry-Out and Sit-Down Meals

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School »

2019-20 Registration is Open

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Community »

March 29 & 30

St. Sebastian Church Hall

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You’re invited to Mass


  • 8:00 a.m. / 10:30 a.m. / 6:00 p.m. Masses – St. Sebastian
  • 9:00 a.m. Mass – St. Catherine


  • 8:30 a.m. Prayer and Communion Service – St. Sebastian


  • 8:30 a.m. Mass – St. Catherine


  • 8:15 a.m. All School Children’s Mass (when school is in session) – St. Sebastian
  • 8:30 a.m. (when school is not in session) – St. Sebastian


  • 8:30 a.m.  Mass – St. Catherine
  • 8:30 a.m. Prayer and Communion Service – St. Sebastian


  • 8:30 a.m. Mass – St. Sebastian

Daily Reading – review the daily Mass readings.

First time here?

St. Sebastian offers a welcoming presence to all! Be sure to check out all the ways to get involved – or ways we can serve you. Questions? Call (414) 453-1061 or email saintsebs@saintsebs.org.


Stay Connected

Stay connected

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Latest news

  • Lent and Holy Week Schedule - Our 2019 Calendar and Schedule is available on-line:  Sacraments and Liturgical Life
  • Winter Farmers Market Update - Thanks to the dedicated efforts of many long-standing and new volunteers alike, the St. Sebastian 10th Winter Farmers Market and Brunch, held March 3, 2019, was a great success. Sales were up 10% over last year! Some vendors completely sold out and all of them left with much lighter loads than when they arrived. Needless to Read More »
  • Concord Chamber Orchestra Concert - St. Sebastian will host a special symphonic concert on Saturday, March 23rd at 7 pm in the church. The Concord Chamber Orchestra will present a classical concert including music of Prokofiev and Brahms. Special features include the violin concerto No. 3 by Saint-Saens and the famous piano piece “Rhapsody in Blue” by Gershwin. Tickets are available online CLICK HERE Read More »
  • Sally Kamenski Funeral - We are saddened to share the news that Sally Kamenski, the mother of St. Sebastian Pastoral Associate Mike Kamenski, passed away last week. Visitation is at St. Sebs on Friday at 10 am, with the funeral following at 11.. If you would like to send Mike a card, please use the parish house address – Read More »
  • Dynamic Catholic program cancelled - We regret that the Dynamic Catholic program scheduled for April 27 at St. Sebastian been cancelled. Thanks for your interest.

All news & announcements »

Live with Purpose – Discover Stewardship

An important act of Stewardship is returning your annual pledge form. Your response tells us your level of involvement in the Parish during 2019. Please consider your response prayerfully. For more information and to download a form, click here.