Crime Solvers Central
CSC
263 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Duane Masher missing person case profile photo

Duane Masher Missing Person Case

Last seen in Coto de Caza, California on Aug 10, 2017

Victim Details

Mar 18, 2019

Jan 12, 2024

Duane

Masher

63

55

71 inches

220 lbs

White / Caucasian

Male

Aug 10, 2017

Coto de Caza

California

Orange County

92679

No

48727

Orange County Sheriff's Department

Santa Ana

California

Orange County

92703

550 North Flower Street, California

7146477000

County

Law Enforcement

www.ocsd.org

17-032139

Orange County Sheriff's Department

9465

Brown

Blue

Blue

No

07/03/2026


Area Last Seen:

Case Description

Any updates on this case? Let us know!
Duane Stuart Masher, a 55-year-old aeronautics engineer from Coto de Caza, California, was last seen on August 10, 2017. His family reported him missing after failing to contact him. On August 15, 2017, his vehicle, a 2013 Kia Soul, was found abandoned at the Redwoods River Resort in Leggett, California, about 500 miles from his home. Duane had not been a guest at the resort, and there was no sign of him near the area. The discovery of his car at the resort raised concerns, as it had reportedly ...
MEMBER ACCESS

Continue reading the complete case summary

Unlock the full case narrative for Duane Masher, all available source links, additional videos, and member discussions.

Unlock Full Case Access — $3.97/month
Cancel anytime.
Already a member? Log in

Last Seen: Aug 10, 2017

Links to Additional Sources (3)

See any mistakes? Let us know!
  • Duane Stuart Masher from Coto... - Missing Persons of America
  • Missing Person / NamUs #MP56107
    • MEMBER ACCESS

    Unlock 1 additional source

    View the complete collection of available reporting and reference links for this case.

    View All Case Sources — $3.97/month
    Cancel anytime.
    Already a member? Log in

    Latest News

    View All

    Forum Posts (1)

    I’ve been following Duane Stuart Masher’s case, and something that keeps bugging me is the locat... ...Read More
    09/02/2024
    MEMBER ACCESS

    Join the discussion for Duane Masher

    Read full forum posts and contribute to this case discussion.

    Unlock forum access — $3.97/month
    Already a member? Log in

    Other Missing Cases from California

    Timothy Russell O’kane missing person case in Sacramento, California

    Timothy Russell O’kane

    Missing: May 28, 1991
    Timothy Russell O'Kane, a 33-year-old man, was last seen in Sacramento, California on May 28, 1991. ...Read More
    Gordon Mason missing person case in San Francisco, California

    Gordon Mason

    Missing: Dec 13, 1980
    Gordon Mason, a 57-year-old man from San Francisco, California, was last seen at his home on Decembe ...Read More
    Everett Smith missing person case in Salton City, California

    Everett Smith

    Missing: Aug 12, 1982
    On a summer day in 1982, 47-year-old Everett Vincent Smith was seen for the last time in Salton City ...Read More
    Justin Tran missing person case in Downey, California

    Justin Tran

    Missing: Mar 07, 2025
    Justin Paul Tran, a 17-year-old male, was last seen on March 7, 2025, in Downey, California. At the ...Read More
    Jinyuan Zhao missing person case in Sausalito, California

    Jinyuan Zhao

    Missing: Jan 10, 2021
    Jinyuan Zhao, a 27-year-old man, was last seen on January 10, 2021, in Sausalito, California. He is ...Read More
    Francisco Perez missing person case in Fillmore, California

    Francisco Perez

    Missing: Oct 17, 1994
    Francisco Robles Perez, age 86, was last seen on October 17, 1994, in Fillmore, California. He had p ...Read More
    Mark Wilson missing person case in Quincy, California

    Mark Wilson

    Missing: Nov 04, 1967
    Mark Wendell Wilson, a 13-year-old boy, was last seen on November 4, 1967, in Quincy, California. He ...Read More