Yolo County watchdog weighs in on Esparto fireworks explosion

The report details countywide conditions that hindered code and law enforcement

Published on March 26, 2026

Esparto fireworks blast site in July 2025.

The site of the Esparto fireworks blast site on July 7, 2025, just days after the deadly explosion.

Martin Christian

The Abridged version:

  • The Yolo County Civil Grand Jury released a report Thursday morning in response to the Esparto fireworks warehouse explosion that happened in July 2025.
  • The report blames shortfalls in multiple county departments that created conditions leading to the deadly blast, which killed seven people.
  • The grand jury provided a list of recommendations for the county to consider as it deals with the fallout.

A Yolo County watchdog is recommending an array of changes to county operations in the aftermath of the Esparto fireworks warehouse explosion last summer.

In a report released Thursday morning, the Yolo County Civil Grand Jury detailed shortfalls in multiple county departments that it said contributed to the conditions that led to the deadly disaster. The grand jury’s recommendations include the creation of new countywide positions as well as better training and monitoring for code and law enforcement.

The civil grand jury’s report focuses mainly on the county’s failure to enforce fireworks ordinances and conduct appropriate inspections before the factory near Esparto exploded on July 1, killing seven.

“Although numerous local officials, including Sheriff’s deputies, fire officials, officials in the County building, code enforcement, planning and County Counsel’s office, all knew about the fireworks businesses, none of them took any action,” the report said.

The remains on Sept. 23 of the fireworks storage facility explosion that occurred on July 1, 2025, in Esparto, California. Photo by Denis Akbari.
The remains on Sept. 23 of the fireworks storage facility explosion that occurred on July 1, 2025, in Esparto, California. (Denis Akbari)

Jurors allege that poor communication between departments, limited resources, inadequate training procedures and a willingness to look the other way allowed the factory to exist and expand illegally.

The report also underscored understaffing at the Yolo County building and code enforcement divisions, citing a 2022 backlog of approximately 300 cases.

In addition to hiring more code enforcement employees, the report recommended that the county create the position of fire warden, enhance training in the community services and sheriff’s departments, develop better monitoring programs, create a countywide business systems analyst position and explore joining adjacent fire districts to improve resources.

Daniel Hennessy joins Abridged from the California Local News Fellowship. He’s a reporter covering Yolo County. 

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