Overview

• Full name: Onan Canizalez
• Age at disappearance: 19 years old
• Date last seen: October 17, 2019
• Last known location: Hayward, Alameda County, California
• Case classification: Endangered Missing
• Current case status: Unsolved; publicly listed as missing
• Investigating agency: Hayward Police Department
• NamUs reference: MP94970
• Physical description: Hispanic male with black hair and brown eyes, approximately 5 feet to 5 feet 4 inches tall, weighing about 130 pounds
• Circumstances: Onan left home to spend time with friends and did not return. A subsequent report alleging his death and the disposal of his body near Half Moon Bay has not been substantiated by investigators.

Detailed Case Breakdown

Onan Canizalez: The Unsolved 2019 Disappearance of a 19-Year-Old Man in Hayward, California

On October 17, 2019, 19-year-old Onan Canizalez disappeared from Hayward, California, after leaving home to spend time with friends. He never returned, and his whereabouts remain unknown.

Approximately five weeks later, his family received disturbing information suggesting that he had died and that his body had been abandoned near Half Moon Bay. However, investigators were unable to substantiate the account, leaving unanswered questions about what happened to the young man.

More than seven years after his disappearance, the case remains unresolved in publicly available missing-person records. The distinction between what has been established and what has only been alleged remains essential to understanding his disappearance.

Case Summary

• Full name: Onan Canizalez
• Age at disappearance: 19 years old
• Date last seen: October 17, 2019
• Last known location: Hayward, Alameda County, California
• Case classification: Endangered Missing
• Current case status: Unsolved; publicly listed as missing
• Investigating agency: Hayward Police Department
• NamUs reference: MP94970
• Physical description: Hispanic male with black hair and brown eyes, approximately 5 feet to 5 feet 4 inches tall, weighing about 130 pounds
• Circumstances: Onan left home to spend time with friends and did not return. A subsequent report alleging his death and the disposal of his body near Half Moon Bay has not been substantiated by investigators.

Background: Who Was Onan Canizalez?

Onan Canizalez was a 19-year-old young man living in the Hayward area of California’s East Bay when he disappeared in October 2019.

Publicly available missing-person profiles provide limited information about his personal life, education, employment, family relationships, or interests. These details have not been independently established in the available reporting and should not be assumed.

What is documented is that Onan had plans to spend time with friends on the day he vanished. Nothing in the available case accounts establishes that he intended to leave his life behind or remain away from home indefinitely.

His disappearance became particularly concerning when he failed to return and his family received no further communication from him.

Physical Description and Identifying Information

At the time he went missing, Onan was described as a Hispanic male with black hair and brown eyes. His reported height ranged from 5 feet to 5 feet 4 inches, and his weight was approximately 130 pounds.

The available public profiles do not establish what clothing he was wearing when he disappeared. They also do not provide confirmed information about tattoos, scars, jewelry, or other distinctive identifying features.

These limitations matter because accurate descriptions can help witnesses distinguish a missing person from someone with a similar appearance.

The Disappearance on October 17, 2019

On Thursday, October 17, 2019, Onan left his home in Hayward to spend time with friends.

He did not return.

The available public accounts do not identify the friends he planned to meet, specify his destination, or establish the precise time he was last seen.

There is also no verified public account describing the vehicle or transportation he used, whether he reached his intended destination, or the identity of the last person known to have seen him.

These missing details create significant gaps in the publicly documented timeline.

The circumstances surrounding his disappearance became even more troubling the following month, when his family received information suggesting that he might have died.

The November 24, 2019 Allegation

On November 24, 2019, a woman reportedly told Onan’s family that he had died from a drug overdose and that his body had been dumped near Half Moon Bay, California.

Half Moon Bay is a coastal community in San Mateo County, southwest of Hayward.

The allegation introduced the possibility that Onan’s disappearance involved a death that had not been reported to authorities.

However, the woman’s account was not independently established as true.

Public case information indicates that investigators pursued the information provided by the woman but were unable to find supporting evidence.

There is no publicly verified recovery of Onan’s remains, medical determination of his death, or toxicology evidence establishing that an overdose occurred.

Consequently, the reported overdose and alleged disposal of a body must be treated as unverified information, not established facts.

Investigation History and Available Evidence

Hayward Police Department Investigation

The Hayward Police Department is identified as the investigating agency in Onan’s missing-person case.

The department’s involvement is documented in public missing-person records, including The Charley Project.

The most significant publicly described investigative development concerns the woman’s November 2019 statement.

According to the available case accounts, investigative steps were taken regarding her information. Those efforts did not produce evidence sufficient to corroborate the allegation.

The public record does not describe precisely which investigative methods were used, what locations may have been examined, or whether additional witnesses were interviewed.

It would therefore be inaccurate to claim that a particular search, forensic examination, or interview occurred unless further documentation becomes available.

Physical and Forensic Evidence

No publicly confirmed physical evidence explaining Onan’s disappearance was identified in the reviewed case-specific sources.

In particular, the available information does not establish that investigators recovered his body, identified a crime scene, obtained forensic evidence proving an overdose, or linked a particular individual to criminal conduct.

Similarly, no publicly confirmed DNA testing results or investigative genetic genealogy developments were located.

The absence of these details from public reporting does not necessarily mean that investigators have conducted no such work. Law enforcement agencies may withhold information to protect investigations or because findings remain inconclusive.

Witnesses and Potential Leads

The woman who contacted Onan’s family in November 2019 is the only specifically described source of a potential lead in the reviewed public case summaries.

Her identity has not been established in the available sources, and no verified public record identifies her as a suspect.

The allegation she provided was investigated but not substantiated.

The friends Onan intended to spend time with on October 17 could potentially hold information about his final known activities. However, publicly available records do not establish whether he met them, whether they witnessed his disappearance, or what statements they may have given investigators.

There is no verified public identification of a suspect or person of interest in connection with Onan’s disappearance.

Theories and Unresolved Questions

Several possibilities remain relevant to understanding Onan’s disappearance, but none should be presented as an established explanation.

Was the Reported Overdose Accurate?

The most specific allegation in the public case history is that Onan died from an overdose and that his body was subsequently abandoned near Half Moon Bay.

If reliable evidence were to support that account, it could provide an explanation for his disappearance and potentially identify individuals with knowledge of his final whereabouts.

However, the allegation has not been corroborated.

There is no publicly confirmed cause of death because Onan’s death itself has not been established.

Did Onan Reach His Intended Destination?

One of the most important unresolved questions is whether Onan met the friends he planned to visit.

The available records establish that he left home intending to spend time with friends, but they do not provide a verified account of his subsequent movements.

Determining when and where he was last independently seen could be important to reconstructing the hours surrounding his disappearance.

What Happened Between October 17 and November 24?

More than a month passed between Onan’s disappearance and the woman’s reported statement to his family.

Public sources do not explain how the woman obtained her information, when she allegedly learned of his death, or why she contacted the family on November 24.

Those unanswered questions are significant, but they do not establish that she personally witnessed an overdose, a death, or the disposal of a body.

Could Onan Still Be Alive?

Because Onan’s death has not been confirmed, his case continues to be described as an endangered missing-person investigation.

The available information does not establish whether he is alive or deceased.

It is therefore inappropriate to characterize the case as a confirmed homicide, accidental death, or voluntary disappearance.

Latest Publicly Available Investigative Updates

Public-information review: October 28, 2026

The most recent publicly accessible case information located during this review continues to identify Onan Canizalez as missing.

The Charley Project lists his disappearance as unsolved and identifies the Hayward Police Department as the investigating agency.

Additional missing-person listings reproduce the October 17, 2019 disappearance date and the November 24, 2019 allegation, but they do not establish a new investigative breakthrough.

No publicly confirmed recent investigative developments were located concerning an arrest, criminal charge, identification of remains, forensic breakthrough, DNA match, or resolution of Onan’s disappearance.

No newly announced official search, cold-case review, or public law enforcement press conference concerning this case was verified in the reviewed sources.

The continued appearance of his information in missing-person databases should not be confused with a newly announced investigative development.

The current public record leaves the central questions unanswered: where Onan went after leaving home, what happened to him, and whether the November 2019 allegation had any factual basis.

Conclusion: The Search for Answers in Onan Canizalez’s Disappearance

Onan Canizalez was just 19 years old when he disappeared from Hayward, California, on October 17, 2019.

His family was later confronted with a deeply troubling allegation that he had died and that his body had been abandoned near Half Moon Bay. Investigators were unable to substantiate that information, and the available public record has not established what happened to him.

His case remains an unresolved disappearance, not a confirmed homicide.

Anyone with firsthand information about Onan’s whereabouts on October 17, 2019, the people he may have encountered, or the circumstances surrounding the November 24 allegation is encouraged to contact the Hayward Police Department.

Hayward Police Department: 510-293-7000

Even information that may seem minor could help investigators clarify a critical part of the timeline. Tips should be provided directly to law enforcement rather than circulated as unverified accusations online.

Onan’s disappearance deserves continued attention, careful reporting, and a resolution grounded in evidence.