Orinda shooting
mass shooting event

The Orinda shooting was a mass shooting that occurred on October 31, 2019, during a house party celebrating Halloween in Orinda, California, United States. Five people were killed and four others were injured. The house had been rented for one night through Airbnb, which enacted a policy banning short-term rentals for Halloween parties two days later. Although several people were arrested a few weeks after the shooting, they were released without being charged and police have been unable to identify the perpetrators.
Location
The shooting occurred at a 4,000 sq ft (370 m2), four-bedroom house in Orinda, which was renting for $420 per night through Airbnb at the time of the party. The short-term rental was arranged by a woman who reportedly told the property owner that she was hosting a family reunion for 12 people and because some guests had asthma, they needed to gather at a location free of wildfire smoke. The shooting took place during the Kincade Fire, which was burning approximately 85 mi (137 km) north of Orinda. Since the rental was only for one night on Halloween, the owner told the renter that no parties were allowed.
In February 2019, the owners had advertised the house on Airbnb as suitable for large parties with 30 guests at a rate of $800 per day. One neighbor had complained in 2018 about short-term renters, who had parked in the street and blocked his driveway, and city records showed they had issued violations to the property in March 2019 for exceeding the maximum occupancy (two per bedroom plus three additional people) and illegal parking.
The public source identifies “Orinda shooting” as mass shooting event. This brief keeps that definition visible, then builds a research path around Orinda, shooting and mass.
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Chronology, provenance and viewpoint should be read together before a broad social or political interpretation is accepted. The source revision retrieved here is dated Aug 16, 2026. The linked authority identifier is Q73177993. Authority coordinates are 37.872, -122.184. None of the 1 selected statements returned an explicit reference. The first chronological checks are 2019 and 2018.
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This entry incorporates text from “Orinda shooting” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.