Overview

• Full Name: Glenn Seril Dispo
• Age at Disappearance: 51 years old
• Date of Birth: September 22, 1968
• Date Last Seen: August 1, 2020
• Last Known Location: Contra Costa Regional Medical Center, Martinez, California
• City and County: Martinez, Contra Costa County, California
• City of Residence: Pittsburg, California
• Case Classification: Missing Person; classified as Endangered Missing by The Charley Project
• Investigating Agency: Pittsburg Police Department
• Police Case Number: 20-6697
• Current Public Status: Listed as missing in California Department of Justice records; no publicly verified resolution located

Glenn’s disappearance raises important questions about what happened after he left the hospital, whether his recent accident affected his ability to travel safely, and why he apparently departed without two essential personal belongings. Although the circumstances are concerning, publicly available evidence does not establish that he was the victim of a homicide.

Detailed Case Breakdown

Case Summary

Glenn Seril Dispo was 51 years old when he disappeared on August 1, 2020, following an overnight hospital stay in Martinez, California. He had reportedly been involved in a motorcycle accident the previous day and was discharged from Contra Costa Regional Medical Center. According to published missing-person information, he left the hospital without his cellphone or wallet and has not been heard from since.

• Full Name: Glenn Seril Dispo
• Age at Disappearance: 51 years old
• Date of Birth: September 22, 1968
• Date Last Seen: August 1, 2020
• Last Known Location: Contra Costa Regional Medical Center, Martinez, California
• City and County: Martinez, Contra Costa County, California
• City of Residence: Pittsburg, California
• Case Classification: Missing Person; classified as Endangered Missing by The Charley Project
• Investigating Agency: Pittsburg Police Department
• Police Case Number: 20-6697
• Current Public Status: Listed as missing in California Department of Justice records; no publicly verified resolution located

Glenn’s disappearance raises important questions about what happened after he left the hospital, whether his recent accident affected his ability to travel safely, and why he apparently departed without two essential personal belongings. Although the circumstances are concerning, publicly available evidence does not establish that he was the victim of a homicide.

Background and Circumstances of Glenn Dispo’s Disappearance

Glenn Seril Dispo was a Filipino American man living in Pittsburg, California, in Contra Costa County. At the time of his disappearance, he worked as a foreman installing glass windows in high-rise buildings. This occupation involved skilled construction work and supervisory responsibilities.

According to The Charley Project, Glenn was single when he disappeared. Limited additional biographical information has been made publicly available, and details about his childhood, education, family relationships, and daily routine have not been independently established.

Physical Description

The California Department of Justice describes Glenn as an Asian male with black hair and brown eyes. He stood approximately 5 feet 10 inches tall and weighed about 190 pounds at the time of his disappearance. His date of birth is September 22, 1968.

He was reportedly last seen wearing denim shorts. The California missing-person listing also indicates that dental X-rays are available, a detail that could be relevant to identification efforts. His appearance may have changed since 2020.

The Motorcycle Accident and Hospital Stay

On July 31, 2020, Glenn was reportedly involved in a motorcycle accident near his home. The accident resulted in an overnight stay at Contra Costa Regional Medical Center in Martinez, a city west of Pittsburg.

The publicly available account does not establish the precise circumstances of the crash, whether another vehicle was involved, or the full extent of Glenn’s injuries. Although his hospitalization is documented in published missing-person reporting, detailed medical findings have not been made publicly available.

On August 1, 2020, Glenn was discharged from the hospital. The Charley Project identifies Contra Costa Regional Medical Center, near Alhambra Avenue and C Street in Martinez, as the location where he was last seen.

One of the most concerning details is that Glenn reportedly left without his cellphone or wallet. Those items could ordinarily have helped him contact relatives, arrange transportation, establish his identity, or obtain assistance. The public record does not explain why the belongings were left behind or establish whether Glenn intended to return for them.

After leaving the hospital, Glenn disappeared. No subsequent confirmed sighting, communication, or destination has been publicly established in the sources reviewed.

Investigation History and Available Evidence

The Pittsburg Police Department is the investigating agency responsible for Glenn’s missing-person case. Although his last reported location was in Martinez, the California Department of Justice identifies Pittsburg police as the reporting agency and lists the official case number as 20-6697.

The California Department of Justice maintains an official missing-person listing for Glenn, recording his August 1, 2020 disappearance and identifying information. The case is also documented by The Charley Project, which classifies him as an endangered missing person.

Police and Family Appeal in August 2021

On August 30, 2021, more than one year after Glenn disappeared, the Pittsburg Police Department published a missing-person appeal through its official Nextdoor agency account.

The department’s community outreach message stated that Glenn’s family and Pittsburg police were again asking the public for help locating him. The announcement identified him as a Pittsburg resident who had gone missing from Martinez and repeated his physical description.

The department requested that anyone who saw Glenn contact local law enforcement. It also published a telephone number for people with additional information. The appeal confirms that police and family members were still seeking answers at the first anniversary of his disappearance.

Known Evidence and Investigative Limitations

The publicly documented circumstances provide several important starting points: Glenn’s reported motorcycle accident, his overnight hospitalization, his discharge on August 1, 2020, his last known location, and the report that he left without his cellphone and wallet.

However, the publicly accessible information reviewed does not establish whether investigators obtained surveillance footage, interviewed specific witnesses, reconstructed his movements after discharge, or conducted particular ground searches.

Likewise, no publicly verified forensic findings, DNA identification results, recovered remains, arrests, criminal charges, or officially identified suspects were located in connection with his disappearance. This does not establish that such investigative steps were never considered or undertaken; it means their existence and results have not been confirmed through the reviewed public sources.

The availability of dental X-rays in California’s missing-person record is an identification resource, not evidence that remains have been recovered or compared.

Theories and Unresolved Questions

The circumstances of Glenn Dispo’s disappearance leave several questions unanswered. There is insufficient public evidence to determine what happened after he left Contra Costa Regional Medical Center, and no single explanation has been established as fact.

Could the Motorcycle Accident Have Been a Factor?

Because Glenn disappeared immediately after a reported motorcycle accident and overnight hospitalization, one unresolved question is whether his injuries or physical condition played any role in his subsequent movements.

Medical complications, confusion, or impaired judgment can sometimes affect a person’s safety following an injury. However, there is no publicly verified medical evidence demonstrating that Glenn experienced any of these conditions. They remain general possibilities rather than established explanations for his disappearance.

Why Did He Leave Without His Phone or Wallet?

The absence of Glenn’s cellphone and wallet is among the most distinctive reported details. It raises questions about his immediate plans, whether he had arranged transportation, and how he intended to communicate or access money after leaving the hospital.

Publicly available sources do not establish whether the items were accidentally forgotten, intentionally left behind, or unavailable to him for another reason. No conclusion about his intentions can responsibly be drawn from this detail alone.

What Happened After He Left the Hospital?

A central unanswered question is whether Glenn left the hospital on foot, obtained a ride, used public transportation, or traveled by another means. His intended destination and the route he may have taken have not been publicly confirmed.

It is also unknown whether he encountered an accident, medical emergency, environmental hazard, or another person after leaving. These are possible areas of inquiry, not documented events.

Is There Evidence of Foul Play?

The available public information does not establish that Glenn was abducted, assaulted, or killed. No suspect, criminal motive, or homicide finding has been publicly verified in the sources reviewed.

His case should therefore continue to be described as an unresolved missing-person investigation rather than a confirmed homicide. The absence of publicly documented foul-play evidence does not explain his disappearance, but speculation must not be presented as an investigative finding.

Latest Publicly Available Investigative Updates

As of the research conducted for this article in October 2026, Glenn Seril Dispo remains listed in the California Department of Justice’s publicly accessible missing-person records. The state listing continues to identify the Pittsburg Police Department as the reporting agency.

The most significant dated public law enforcement appeal located during this research was the Pittsburg Police Department’s August 30, 2021 community notice, which renewed the request for information about Glenn’s whereabouts.

The Charley Project also maintains a detailed case profile describing the hospital discharge and the circumstances of Glenn’s disappearance. Its published case history identifies August 3, 2021 as the date the profile was added. That historical entry should not be mistaken for a recent investigative development.

No publicly confirmed recent investigative breakthroughs, new arrests, identification of remains, criminal charges, or resolution announcements were located in the sources reviewed through October 31, 2026.

The absence of a new public announcement does not necessarily mean the investigation is inactive. Law enforcement agencies may continue reviewing information or receiving tips without publishing every investigative action.

Conclusion and Public Appeal for Information

More than six years after Glenn Seril Dispo disappeared from Martinez, California, the central question remains unanswered: what happened to him after he left Contra Costa Regional Medical Center on August 1, 2020?

Glenn was 51 years old, employed in a skilled construction trade, and living in Pittsburg when he vanished. His disappearance followed a reported motorcycle accident and overnight hospital stay, and he reportedly departed without his cellphone or wallet. Those circumstances make the lack of a confirmed account of his subsequent movements particularly troubling.

Anyone who saw Glenn in Martinez or the surrounding Contra Costa County area on or after August 1, 2020, or who knows how he may have traveled after leaving the hospital, could possess information relevant to the investigation.

People with information are encouraged to contact the Pittsburg Police Department at (925) 252-4980 and reference case number 20-6697. Anyone who believes they have located Glenn should contact local law enforcement rather than attempting to investigate independently.

Glenn’s family has publicly sought help in finding him. His case deserves continued attention, careful reporting, and the responsible sharing of verified information. Even a detail that seems insignificant could help investigators clarify the events surrounding his disappearance and bring long-awaited answers to those searching for him.