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Ronald Costanzo

1933 - 2025

Ronald Costanzo obituary, 1933-2025, San Mateo, CA

BORN

1933

DIED

2025

FUNERAL HOME

Duggan's Serra Mortuary - Daly City

500 Westlake Avenue

Daly City, California

Ronald Costanzo Obituary

Ronald Costanzo
11/10/1933 - 09/25/2025
Ron Costanzo, 91, of San Francisco, passed away peacefully at 9:45pm on September 25, 2025 of kidney failure. He was married to Margot Sweet who is deceased. They had no children. Ron is survived by his brother Gerry and his wife Shirley. He was the uncle to Greg Costanzo, Jennifer McKown, Mark Costanzo and Brian Costanzo. He was the great-uncle of 14 and the great-great-uncle of 5. His Funeral Mass will be held on Thursday, October 2, 2025 at 11 Am at Church of the Epiphany, 827 Vienna Street, San Francisco. He will be cremated and buried at Holy Cross Cemetery at a later date at a private service. No flowers please. Donations in Ron's honor can be made to St. Jude Children's Research Hospital in Memphis,Tennessee.

To plant trees in memory, please visit the Sympathy Store.

Published by San Francisco Chronicle from Sep. 30 to Oct. 1, 2025.

Memorial Events
for Ronald Costanzo

Oct

2

Funeral Mass

11:00 a.m.

Church of the Epiphany

827 Vienna Street, San Francisco, CA

Funeral services provided by:

Duggan's Serra Mortuary - Daly City

500 Westlake Avenue, Daly City, CA 94014

Memories and Condolences
for Ronald Costanzo

Sponsored by Duggan's Serra Mortuary - Daly City.

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