Wildfires near Castro Valley, California, United States

0 Active Fires

1 2026 Season Fires ▲ +11 (+61%) vs same period last year

15 2026 Season Acres ▼ -51,521 (-90%) vs same period last year

Newest Castro Valley wildfires

Mar 24 Started 15 acres 12 football fields Oso Fire

Largest Castro Valley wildfires this season

15 Acres 12 football fields Oso Fire Diablo Grande

Search Fires

🔥 Oso Fire 2026

Started: Mar 24 15 acre

Diablo Grande, California, United States

Places Near Castro Valley, California, United States

Cherryland, California, United States Hayward, California, United States Ashland, California, United States San Lorenzo, California, United States Fairview, California, United States San Leandro, California, United States Union City, California, United States San Ramon, California, United States Moraga, California, United States Dublin, California, United States Danville, California, United States Alamo, California, United States Newark, California, United States Fremont, California, United States Diablo, California, United States Alameda, California, United States Saranap, California, United States Lafayette, California, United States Piedmont, California, United States