St. Mary of the Immaculate Conception Church

St. Mary of the Immaculate Conception Church St. Mary of the Immaculate Conception Church is a vibrant Roman Catholic community in Walnut Creek CA We are here to serve and emit Christ's Light to all.
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Mary Church has been serving Walnut Creek since before the city existed! The small mission church was built on Main Street in 1884, and in 1940 the current church building was constructed to accommodate a growing congregation. The church has gone through several changes to meet the needs of our community, including the addition of a top-rated K-8 school which was built in the 1960's. With a vibran

t ministerial life, liturgies which appeal to varied demographics and a sacred environment in which to worship, St. Mary Parish continues to evolve with the community growing around it, while embracing the history and tradition of the church.

THIS MONTH!!! HAVE YOU REGISTERED?VACATION BIBLE CAMPHosted at St. Mary ChurchJune 22 - 26, 20269:00am - 12:00pmWe’re ex...
06/04/2026

THIS MONTH!!! HAVE YOU REGISTERED?

VACATION BIBLE CAMP
Hosted at St. Mary Church
June 22 - 26, 2026
9:00am - 12:00pm

We’re excited to welcome kids from ages 3 and up—potty trained—through incoming 12th graders.

It's the best week of the year—building friendships, growing in our faith together, and having so much fun through games, music, crafts, and more.

DON'T DELAY! REGISTER YOUR CHILD TODAY! You won’t want them to miss this incredible week!

https://stmary-wc.ccbchurch.com/goto/forms/166/responses/new

In observance of Memorial Day, the Parish offices at St. Mary and St. John Vianney will be closed on Monday, May 25th.Th...
05/21/2026

In observance of Memorial Day, the Parish offices at St. Mary and St. John Vianney will be closed on Monday, May 25th.

There will be only one mass at 10:00am at St. Mary and mass at 8:30am at St. John Vianney.

Happy Memorial Day!

The next SJV Senior Social is on Thursday, May 21Don't miss out! It's always better together, so invite a friend!Join us...
05/15/2026

The next SJV Senior Social is on Thursday, May 21

Don't miss out! It's always better together, so invite a friend!

Join us for Food, Fellowship, and Fun!
We look forward to seeing you at Mullen Commons!

Click this link to register:
https://sjvianney.ccbchurch.com/goto/forms/187/responses/new
or call the Parish office at (925) 939-7911, ext. 0

RSVP by Tuesday, May 19.
The cost is $5 per person, pay at the door.

Next Social will be on June 18, the last of this Season.

All Mothers are invited to a Mother's Day Pancake Breakfast on Sunday, May 10th - from 10:30am - 12:00pmJoin us after th...
05/06/2026

All Mothers are invited to a Mother's Day Pancake Breakfast on Sunday, May 10th - from 10:30am - 12:00pm

Join us after the 9:30am mass for a delicious meal hosted by the St. Mary Church Knights of Columbus Council.

Let us CELEBRATE YOU! Happy Mother's Day!

The Young Adult Ministry at St. John Vianney and St. Mary Church proudly invites you to TWENTIES ON TUESDAYS.A special o...
05/01/2026

The Young Adult Ministry at St. John Vianney and St. Mary Church proudly invites you to TWENTIES ON TUESDAYS.

A special opportunity for young adults throughout the Diocese to gather for delicious food and fellowship with other 20-somethings. All are welcome! Bring friends! Come to build your community, network, and grow your circle with other like-minded people!

TWENTIES ON TUESDAYS MEETS ON THE FIRST TUESDAY OF EVERY MONTH at 7:00PM in Mullen Commons at St. John Vianney.
The next gathering is TUESDAY, MAY 5th.

Bring a Friend! All are welcome to this FREE EVENT!

For more information, contact Yuki Madson (925) 708-2109 or Marlene Lee, Young Adult Ministry Coordinator [email protected]

CINCO DE MAYO CELEBRATION --- SUNDAY, MAY 3RD¡Vamos a celebrar Cinco de Mayo!Join us for a special Festival celebrating ...
05/01/2026

CINCO DE MAYO CELEBRATION --- SUNDAY, MAY 3RD

¡Vamos a celebrar Cinco de Mayo!
Join us for a special Festival celebrating Cinco de Mayo!

Domingo 3 de mayo en el Gimnasio de la Iglesia St. Mary, de 12:00 pm a 5:00pm
Sunday, May 3 at St. Mary Church Gymnasium from 12:00pm - 5:00pm

Acompáñenos a esta Celebración
Join us for this celebration!

Habrá música, comida Mexicana y bailes Folclóricos
We will have music, Mexican food, and Folkloric dancing

Por $15, 2 tacos, arroz, frijoles, y una bebida
For $15, 2 tacos, rice, beans, and a drink

HAVE YOU REGISTERED ALREADY??VACATION BIBLE CAMPHosted at St. Mary ChurchJune 22 - 26, 20269:00am - 12:00pmWe’re excited...
05/01/2026

HAVE YOU REGISTERED ALREADY??

VACATION BIBLE CAMP
Hosted at St. Mary Church
June 22 - 26, 2026
9:00am - 12:00pm

We’re excited to welcome kids from ages 3 and up—potty trained—through incoming 12th graders.

It's the best week of the year—building friendships, growing in our faith together, and having so much fun through games, music, crafts, and more.

Don’t forget that our early bird registration ends April 15 — be sure to register soon to get the discounted rate and secure your spot as spaces fill up quickly!

DON'T DELAY! SIGN YOUR CHILDREN UP TODAY!!! You won’t want them to miss this incredible week!

Click the link below to register!
https://stmary-wc.ccbchurch.com/goto/forms/166/responses/new

We joyfully invite you to join us in observing Divine Mercy Sunday - THIS SUNDAY - April 12, 2026 with a special servic...
04/09/2026

We joyfully invite you to join us in observing Divine Mercy Sunday - THIS SUNDAY - April 12, 2026 with a special service at 3:00pm in the church.

This special day is a powerful reminder of God's infinite love and mercy, as revealed to St. Faustina.

Come and experience the unfathomable mercy of our Lord!
All are welcome!

On Easter Sunday, April 5th, we will have mass at 7:00am, 9:30am, 11:30am, and 1:30pm (Spanish).JOIN US for the Annual R...
03/31/2026

On Easter Sunday, April 5th, we will have mass at 7:00am, 9:30am, 11:30am, and 1:30pm (Spanish).

JOIN US for the Annual Resurrection Easter Egg Hunt at St. Mary Church after 9:30am and 11:30am Easter Sunday masses.

The Easter Egg Hunt will be outside of St. Elizabeth Hall.

Bring your children to hunt for colorful eggs and meet the Easter Bunny!

Join us for Morning Prayers during the Triduum at 8:30am (April 2 - 4) in the church.Holy Triduum Masses:Holy Thursday 4...
03/31/2026

Join us for Morning Prayers during the Triduum at 8:30am (April 2 - 4) in the church.

Holy Triduum Masses:
Holy Thursday 4/2 - 7:00pm
Good Friday 4/3 - 12:00pm (English) and 7:00pm (Spanish)
Great Vigil 4/4 - 8:00pm

https://www.stmary-wc.org/

Address

2051 Mt Diablo Boulevard
Walnut Creek, CA
94596

Opening Hours

Monday 8:30am - 12pm
1pm - 3pm
Tuesday 8:30am - 12pm
1pm - 3pm
Wednesday 8:30am - 12pm
1pm - 3pm
Thursday 8:30am - 12pm
1pm - 3pm
Friday 8:30am - 12pm
1pm - 3pm

Telephone

+19258918900

Website

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