Robert Costello
1926 - 2021
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Robert Joseph Costello
November 20, 1926 - February 19, 2021
Robert "Bob" Costello passed away peacefully surrounded by his children and
grandson Jason. Bob was born and raised in San Francisco and was a proud
second generation San Franciscan.

Bob Costello was a Navy Sea Bee serving during the War in the Pacific. He
returned to San Francisco and became a dedicated and proud member of UA
Local 38 Plumbers & Pipefitters in San Francisco, starting as an apprentice plumber then moving up to Business Agent, Assistant Business Manager and onto the International Representative for the Western States and Hawaii. He was a delegate to the Pipe Trades, the San Francisco Labor Council, the California Labor Federation as well as numerous positions supporting labor unions. Robert Costello was also a San Francisco Park and Rec Commissioner as well as President of the San Francisco PUC (Public Utilities Commission). Robert continued working until he was 72.

Bob married his wife Marie in 1950, who passed away in 2001. The Costello
family continues to grow and thrive in the San Francisco Bay Area. Bob loved his family more than anything and was so thrilled to have his grandchildren and great grandchildren. Bob also loved the ocean and fishing. He was a regular on the salmon boats in the waters off of the coast. He fished from Alaska to Hawaii. Bob, along with Joe Mazzola, found and purchased what would become the Konocti Harbor Inn, a vacation spot much loved by plumbers and their families. A children's summer camp, Camp Konocti still exists. Bob and his family loved Clear Lake so much that he purchased a home near Lower Lake.

Bob is survived by his children Christine [Robert Jewkes], Sharon, Bobby [Ellen] and Margie [Larry Gisler] and their families. His grandchildren Brenda Galdamez [Pan DuCoeur], Jason Costello [Heidi], Kelly Costello Durham [Drew], Kristin Costello, Ashley Bennett, Bobby, Jack and Tess Jewkes, and his great grandchildren Robert S. Costello, Amanda Correia, Alia Dajani, Luciana Costello, Pan DuCoeur II, Bailey and Matthew Costello, and Ryan Durham.

There will be a private family service at Duggans Mortuary and he will be interred at Holy Cross Cemetery. Due to Covid restrictions the family will host a Memorial for a Life Well Lived later this year.

Published in San Francisco Chronicle from Feb. 26 to Feb. 28, 2021.
No events have been scheduled at this time. Check back later or contact the funeral home for more information.
Memories & Condolences
Guest Book sponsored by Duggan's Serra Mortuary
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7 entries
March 3, 2021
Grandpa, may you rest in peace. You were the most kind man I have ever met. Many great memories at konocti and darien, oh, the fish scales everywhere in the kitchen when you would return from fishing...... My condolences to the costellos in this difficult time . Sending my love
Gina costello
February 28, 2021
Sorry to hear about Uncle Bob’s passing. A wonderful man with a big heart. Sending hugs to our Costello cousins. He’s watching over all of his family together with Marie and the legacy of their love continues.
With Much love from
Shelly, Jeanne and Denise along with the all of our Costello clan.
Jeanne Costello-Morris
February 28, 2021
I am so sorry to here the passing of your Dad. Many Happy moments with your Dad and Mom. At 889 Elizabeth St. At Jimmy And Marie Byrne. Loved Bob and Marie. Well now he in Heaven with the whole Gang. Wonderful friend and Wonderful Dad RIP Bob till we meet again. Love Joanne (Byrne) Wiggins and Family.
Josnne wiggins
February 27, 2021
We' re gonna miss you Uncle Bob . Rest in peace.

The Quinn family.
February 27, 2021
Sharon A Costello
February 27, 2021
Dad, you were my hero, my rock, my heart and soul You were the best dad ever may you rest in Heaven with mom love and miss you, love Sharon
Sharon Costello
February 27, 2021
Dear Christine & Family
I was so sorry to read of your Dads passing. My thoughts and prayers are with you and your family.
May he Rest In Peace.


Marge Donaldson
Marge Donaldson
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