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Flies, rats and other vermin are swarming Boyle Heights. Who’s handling pest control?

πŸ“° LAist πŸ• July 21, 2026 at 6:02 PM
Workers in reflective vests hold tools near a mass of debris.
The cleanup effort at the burned warehouse in Boyle Heights is a huge undertaking. Workers are seen here on June 30. (Genaro Molina / Los Angeles Times via Getty Images)

Flies, rodents and other pests have been a persistent problem in Boyle Heights and nearby communities as millions of pounds of food rot in a nearby burned-out warehouse. It’s gotten bad enough that L.A. Mayor Karen Bass is asking for action from the L.A. County Department of Public Health.

In a letter sent Tuesday to county Public Health Director Barbara Ferrer, Bass said she’s β€œconcerned with County DPH’s pace in addressing this disaster” and the risks it posed to health and quality of life.

β€œPossibly the worst manifestation of these risks is the severe infestation of flies in Boyle Heights and neighboring communities,” Bass wrote.

LAist has asked the Department of Public Health for comment and will update this article when they respond.

The back-and-forth between jurisdictions

Bass wrote that the city of L.A., which does not have its own health department, is largely dependent on L.A. County for control of potentially disease-carrying vectors. The city has said elsewhere that its Sanitation Department did set about 250 rat traps in surrounding areas.

Bass’ letter says the county took its first steps to hold warehouse operator Lineage accountable for a fly infestation on July 17, ordering the company to remove flies and mosquitoes from the property.

β€œAlthough I appreciate that County DPH has taken this first step, the County’s report only directs Lineage to eliminate flies from Lineage’s own property,” Bass’ letter to Ferrer states.

Bass urged the county to compel Lineage to address pests at neighboring properties β€œwith aggressive measures to eliminate the flies and any other vectors.”

As for L.A. County’s Department of Public Health, a spokesperson told LAist on July 17 that it had itself directed the city and Lineage to address the pest situation.

β€œLos Angeles County Department of Public Health requested that both Lineage Logistics and the City of Los Angeles develop and implement a vector/insect control plan,” the statement reads.

Lineage’s part

According to Councilmember Ysabel Jurado, who represents Boyle Heights on the L.A. City Council and met with Lineage representatives on Monday, an inspector contracted by the company confirmed that the rotting food at the warehouse is serving as a breeding ground for flies. The infestation won’t go away without addressing the root cause, Jurado reported the contractor as saying.

β€œRemoving waste, adding odor-control equipment, and conducting a pest inspection are important,” Jurado said in a statement. β€œBut residents are asking a more fundamental question: Are conditions actually improving? They deserve evidence, timelines and accountability β€” not just a list of activities.”

Lineage has not yet presented its pest control plan to the public.

A ticking clock

The first day of instruction for L.A. Unified schools is Aug. 12, three days before the city’s current deadline to clear the warehouse β€” a deadline Lineage does not appear to be on track to meet.

That’s led many teachers and parents to raise the alarm about smells and pests that may very well still be around when school starts. An LAUSD spokesperson told Boyle Heights Beat that it is prepared to temporarily relocate nearby schools, as they did with summer programs during the warehouse fire.

Lineage meets deadline at last minute

Meanwhile, Lineage also faced a deadline of Tuesday to present a plan to air quality officials on how to address smells of spoiled food, which have been reported from miles away. A South Coast Air Quality Management District spokesperson said that the agency received a response from Lineage at 5 p.m. and is evaluating it.