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Contact Information

We look forward to hearing from you.

Thank you for visiting the Saint William Catholic Church website. We hope you enjoyed your visit. If you need additional information or would like to contact any of our staff members, here’s how you can get in touch with us.

SUMMER Office Hours (beginning May 21)

Monday - Friday, 10am - 7pm
Saturday - 10am - 5pm
Sunday, 8:30 a.m. - 5 p.m.

Mailing Address

620 Round Rock West Drive
Round Rock, TX 78681

Phone Numbers

  • 512-255-4473 main
  • 512-255-8126 fax

Email Contacts

About the Website

The Web site is managed by the Communications Office with technical support from the Saint William Web Development Team.