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Since its foundation, over 150 year ago, Mosaic Lodge #218 has been a beacon to men of all walks of life.
Special traits and aspirations that today characterize our Lodge:
To be a better man, to love his family, to be a good neighbor, to assist his fellow creatures, to serve his community, to honor his country, to promote freedom and justice for all, to sponsor strong education, to support young men and women so they too become good citizens and successful persons, and all this under the auspices of the Supreme Architect of the Universe.
Your interest in Masonry has brought you to the right place. You have just arrived to where your questions about Masonry can be answered by a Mason without prejudice.
Stated Meeting – First Wednesdays of every month at 7:00 PM.
Mosaic Lodge’s mission is to promote personal growth and improve the lives of others. We take responsibility for the well-being of our brothers, our families, and the community as a whole. We value respect, kindness, tolerance, and our differences – religious, ethnic, cultural, generational, and educational, and strive for harmony in our individual lives, in our lodge, and in the global community.
Masonry is a community of men and their families who share similar beliefs and values. The fraternity finds it important to connect with other men of honor, compassion, love, trust, and knowledge, regardless of their race, color, religious beliefs, political views, sexual orientation, physical ability, citizenship, or national origin. We are friends and brothers, and are connected through this vital and uplifting organization of moral men.
Our continuing pursuit of truth, knowledge, ethics, and leadership skills makes us better men and brings more meaning to our lives. Learning the tenets of Freemasonry, paired with being an active part of our community, gives us the opportunity to develop leadership and organizational skills, and builds self-discipline through commitment and self-confidence.
As a member of the Freemasons, the Grand Lodge of California, and Mosaic Lodge No. 218, we are a part of a worldwide organization that values tradition, history, and timeless wisdom. The traditions and core values of our fraternity are meaningful today and will endure for centuries to come because of our direct impact in our community, through our charities, and on a personal level.
Mosaic Lodge membership is open to men 18 and older who meet the qualifications and standards of character and intention, and who believe in a Supreme Being. Men of all ethnic and religious backgrounds are welcome.
One of Freemasonry’s customs is not to solicit members – men must seek membership on their own initiative. Anyone is welcome to request information about the fraternity.
If you are interested in applying for membership to our lodge, now is a good time to start. Please contact us to schedule a visit during an event, or request more information.
Contact usApril 2, 2025
Mosaic #218 - Stated Meeting Dress: Business Casual
April 2, 2025 @ 7:00 pm - 8:00 pm
April 8, 2025
DOSI - Pleasanton - Exemplification of 1st sec of SECOND degree + opening
April 8, 2025 @ 7:00 pm - 9:00 pm
April 12, 2025
Mosaic #218 - Chili Cook Off
April 12, 2025 @ 6:00 pm - 9:00 pm
April 14, 2025
Building Association Meeting
April 14, 2025 @ 7:00 pm - 8:00 pm
April 22, 2025
Mosaic #218 - Practice 1st Degree
April 22, 2025 @ 7:00 pm - 8:00 pm
April 23, 2025
Mosaic #218 - 1st Degree for Scott Ricker
April 23, 2025 @ 7:00 pm - 8:00 pm
April 30, 2025
Mosaic #218 - Practice for Golden Veterans Award
April 30, 2025 @ 7:00 pm - 9:00 pm
May 3, 2025
Mosaic #218 - Golden Veterans Award for Carl Serkland, Dress: Formal/Dark Suit for officers, coat and tie for guests. Lunch following
May 3, 2025 @ 11:00 am - 1:00 pm
May 6, 2025
Mosaic #218 - Officer meeting / practice TBD
May 6, 2025 @ 7:00 pm - 8:00 pm
May 7, 2025
Mosaic #218 - Stated Meeting Dress: Baseball/Sports gear or business casual
May 7, 2025 @ 7:00 pm - 8:00 pm
May 13, 2025
DOSI - Castro Valley - Exemplification of 2nd sec of SECOND degree + LF closing.
May 13, 2025 @ 7:00 pm - 9:00 pm
May 28, 2025
Mosaic #218 - Practice 1st Section 3rd Degree + Opening
May 28, 2025 @ 7:00 pm - 9:00 pm
June 3, 2025
Mosaic #218 - Officers Meeting/Practice 1st Section 3rd Degree + Opening
June 3, 2025 @ 7:00 pm - 8:00 pm
June 4, 2025
Mosaic #218 - Stated Meeting, Dress: Cowboy (Rodeo Parade) or business casual
June 4, 2025 @ 7:00 pm - 8:00 pm
June 10, 2025
DOSI - Livermore - Exemplification of 1st sec of THIRD degree + opening.
June 10, 2025 @ 7:00 pm - 9:00 pm
June 18, 2025
Mosaic #218 - practice 2nd section 3rd degree
June 18, 2025 @ 7:00 pm - 9:00 pm
June 21, 2025
Mosaic #218 - St Johns Feast, Dress: Formal/Dark Suit
June 21, 2025 @ 6:00 pm - 9:00 pm
June 25, 2025
Mosaic #218 - practice 2nd section 3rd degree
June 25, 2025 @ 7:00 pm - 9:00 pm
June 28, 2025
Mosaic #218 - 3rd Degree and Agape Dinner to follow
June 28, 2025 @ 1:00 pm - 6:00 pm
July 2, 2025
Mosaic #218 - Stated Meeting Dress: Patriotic or business casual
July 2, 2025 @ 7:00 pm - 8:00 pm
July 8, 2025
DOSI - Pleasanton - Exemplification of 2nd sec of THIRD degree + LF closing.
July 8, 2025 @ 7:00 pm - 9:00 pm
August 5, 2025
Mosaic #218 - Officer meeting
August 5, 2025 @ 7:00 pm - 8:00 pm
August 6, 2025
Mosaic #218 - Stated Meeting Dress: Beach or Hawaiian
August 6, 2025 @ 7:00 pm - 8:00 pm
August 11, 2025
Building Association Meeting
August 11, 2025 @ 7:00 pm - 8:00 pm
September 2, 2025
Mosaic #218 - Officer meeting
September 2, 2025 @ 7:00 pm - 8:00 pm
September 3, 2025
Mosaic #218 - Stated Meeting Dress Code: Business Casual
September 3, 2025 @ 7:00 pm - 8:00 pm
September 8, 2025
Building Association Meeting
September 8, 2025 @ 7:00 pm - 8:00 pm
September 9, 2025
DOSI - Castro Valley - Dinner
September 9, 2025 @ 6:30 pm - 7:00 pm
September 9, 2025
DOSI - Castro Valley - Can’t miss stated meeting, alcohol rules, Guest Speaker TBD
September 9, 2025 @ 7:00 pm - 9:00 pm
September 13, 2025
Mosaic #218 - Rib Cook Off Dress: Casual
September 13, 2025 @ 6:00 pm - 9:00 pm
September 27, 2025
OES #135 - Tea party
September 27, 2025 - September 28, 2025 @
September 27, 2025
OES #135 - Tea party
September 27, 2025 - September 28, 2025 @
September 30, 2025
Mosaic #218 - Officers Meeting/Practice Flag Presentation
September 30, 2025 @ 7:00 pm - 8:00 pm
October 1, 2025
Mosaic #218 - Stated Meeting Dress: Business Causal
October 1, 2025 @ 7:00 pm - 8:00 pm
October 8, 2025
Mosaic #218 - Practice Flag Presentation
October 8, 2025 @ 7:00 pm - 8:00 pm
October 11, 2025
Mosaic #218 -Wine Tasting, Dress: Casual
October 11, 2025 @ 6:00 pm - 7:00 pm
October 13, 2025
Building Association Meeting
October 13, 2025 @ 7:00 pm - 8:00 pm
October 14, 2025
DOSI - Livermore - Dinner
October 14, 2025 @ 6:30 pm - 7:00 pm
October 14, 2025
DOSI - Livermore - Flag/GLO/elections/GL structure, AnCom legislation
October 14, 2025 @ 7:00 pm - 9:00 pm
October 24, 2025
Grand Lodge of CA Annual Communication 2025
October 24, 2025 - October 26, 2025 @
October 24, 2025
Grand Lodge of CA Annual Communication 2025
October 24, 2025 - October 26, 2025 @
October 24, 2025
Grand Lodge of CA Annual Communication 2025
October 24, 2025 - October 26, 2025 @
November 4, 2025
Mosaic #218 - Officer meeting
November 4, 2025 @ 7:00 pm - 8:00 pm
November 5, 2025
Mosaic #218 - Stated Meeting/Elections Dress: Coat and Tie
November 5, 2025 @ 7:00 pm - 8:00 pm
November 10, 2025
Building Association Meeting
November 10, 2025 @ 7:00 pm - 8:00 pm
November 11, 2025
DOSI - Pleasanton - Dinner
November 11, 2025 @ 6:30 pm - 7:00 pm
November 11, 2025
DOSI - Pleasanton - Installation, calendar/budget/committees/officer duties review
November 11, 2025 @ 7:00 pm - 9:00 pm
November 21, 2025
OES #135 practice and Installation
November 21, 2025 - November 22, 2025 @
November 21, 2025
OES #135 practice and Installation
November 21, 2025 - November 22, 2025 @
December 2, 2025
Mosaic #218 - Officers Meeting/Practice Retiring the flag
December 2, 2025 @ 7:00 pm - 8:00 pm
December 3, 2025
Mosaic #218 - Stated Meeting Dress: Coat and Tie
December 3, 2025 @ 7:00 pm - 8:00 pm
December 8, 2025
Building Association Meeting
December 8, 2025 @ 7:00 pm - 8:00 pm
December 9, 2025
DOSI - Castro Valley - Holiday dinner - 7 toasts. Guest speaker TBD
December 9, 2025 @ 7:00 pm - 9:00 pm
January 6, 2026
Mosaic #218 - Officer meeting
January 6, 2026 @ 7:00 pm - 8:00 pm
January 7, 2026
Mosaic #218 - stated meeting
January 7, 2026 @ 7:00 pm - 8:00 pm
January 12, 2026
Building Association Meeting
January 12, 2026 @ 7:00 pm - 8:00 pm
February 3, 2026
Mosaic #218 - Officer meeting
February 3, 2026 @ 7:00 pm - 8:00 pm
February 4, 2026
Mosaic #218 - stated meeting
February 4, 2026 @ 7:00 pm - 8:00 pm
February 9, 2026
Building Association Meeting
February 9, 2026 @ 7:00 pm - 8:00 pm
In this issue of California Freemason, we’re celebrating 175 years of incredible Masonic history in this state.
Say hello to a series of brand-new web resources for prospects and new members available on freemason.org, the online home of the Masons of California.
In Sacramento, the California Masonic Foundation is refining an approach to philanthropy that benefits all.
Maybe you’ve seen the square and compass logo on buildings around town or wondered about the meaning of emblems like the Masonic trowel. What’s the history behind Masonic symbols, and how do they factor into what happens in a lodge?
Could the simple act of joining a MasonicLodge be the key to rebuilding trust and strengthening democracy?
In this issue of California Freemason Magazine, we’re exploring the ways in which groups like the Masons can help members build social capital—a term first popularized by the sociologist Robert Putnam.
What does ChatGPT have to say about Freemasonry? In the newest issue of California Freemason magazine, we asked the AI for its take.
Whether it’s the super idea behind a new charity, the fantastic team powering the state’s fastest-growing lodges, or the marvels of lodge administration, these heroes don’t wear capes, but they do wear aprons.
Check out our latest video feature, an enlightening conversation between Grand Master G. Sean Metroka and Prince Hall Grand Master David San Juan, two distinguished leaders in California #Freemasonry.
Take a deep dive into the history and legacy of Prince Hall the man, as well as the history of the organization that today bears his name.
In this issue of California Freemason, we’re exploring what it takes to get new lodges off the ground, and how they define themselves within the landscape of Masonry in the state.
Between July 10–21, we’re asking all members who are comfortable doing so to post a short message on Facebook or Instagram saying why Freemasonry is important to you.
Mosaic Lodge will be marching in the June 8th Rodeo Parade again this year! We plan to meet at the Lodge at 9:00 for juice and donuts/bagels, then walk together to our designated starting point, planning to be there by 9:45. You may also just join us at our assembly point, 4th and L Street. […]
