On November 7, 2026, the Petaluma Police Department responded to two separate fire-related incidents within the city.
The first incident took place at approximately 1:20 p.m., when officers were dispatched to Steamer Landing Park, located at 100 East D Street, for a report of a vehicle fire. Upon arrival, officers determined that a parked vehicle had caught fire. The Petaluma Fire Department responded, and the fire had been extinguished prior to officers' arrival.
Officers conducted an investigation and interviewed witnesses at the scene. Based on witness statements and physical evidence, a female suspect identified as Antinazia Valerio, a 34-year old Santa Rosa resident, was taken into custody without incident. It was determined that Valerio had thrown an unknown object under the victim’s vehicle which partially set it on fire. Valerio was arrested on suspicion of arson pursuant to California Penal Code Section 451(b) and was transported to the Sonoma County Main Adult Detention Facility for booking. No injuries were reported in connection with this incident.
The second incident took place at 2:05 P.M. when Officers were dispatched to the Lynch Creek Trail area, near the Trestle Bridge, for a report of an active vegetation fire. The fire was located in a grass field south of the railroad tracks and east of the river and was estimated to be approximately 100 by 100 feet with slow spread.
No structures or persons were in danger. SMART train security and the Petaluma Fire Department responded to the scene, and fire crews extinguished the fire.
At this time, no suspects have been identified, and the source of the fire remains under investigation.
Anyone with information regarding these incidents is encouraged to contact the Petaluma Police Department. The investigations remain ongoing.
Media inquiries may be directed to Lieutenant Matthew Parnow at [email protected] or by phone 707-778-4372. PPD Case 26-3933 and 26-3935.
