| Alameda (County) | 24 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Alpine (County) | 15 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Amador (County) | 21 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Butte (County) | 39 | Park Fire 25 Jul 2024 |
| Calaveras (County) | 24 | Gann Fire 4 Aug 2026 |
| Colusa (County) | 19 | Severe Winter Storms, Flooding, Landslides, and Mudslides 14 Jan 2023 |
| Contra Costa (County) | 21 | Severe Winter Storms, Flooding, Landslides, and Mudslides 14 Jan 2023 |
| Del Norte (County) | 21 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| El Dorado (County) | 27 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Fresno (County) | 20 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Glenn (County) | 21 | Severe Winter Storms, Tornadoes, Flooding, Landslides, and Mudslides 13 Apr 2024 |
| Humboldt (County) | 27 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Imperial (County) | 15 | Tropical Storm Hilary 21 Nov 2023 |
| Inyo (County) | 16 | Tropical Storm Hilary 21 Nov 2023 |
| Kern (County) | 40 | Borel Fire 27 Jul 2024 |
| Kings (County) | 19 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Lake (County) | 35 | Boyles Fire 8 Sep 2024 |
| Lassen (County) | 19 | Wildfires 24 Aug 2021 |
| Los Angeles (County) | 88 | Canyon Fire 8 Aug 2025 |
| Madera (County) | 25 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Marin (County) | 26 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Mariposa (County) | 24 | French Fire 5 Jul 2024 |
| Mendocino (County) | 33 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Merced (County) | 19 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Modoc (County) | 17 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Mono (County) | 14 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Monterey (County) | 33 | Severe Winter Storms, Tornadoes, Flooding, Landslides, and Mudslides 13 Apr 2024 |
| Napa (County) | 39 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Nevada (County) | 23 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Orange (County) | 43 | Norte Fire 16 Oct 2026 |
| Placer (County) | 26 | Severe Winter Storms, Flooding, Landslides, and Mudslides 10 Mar 2023 |
| Plumas (County) | 23 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Riverside (County) | 66 | Bain Fire 20 May 2026 |
| Sacramento (County) | 23 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| San Benito (County) | 18 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| San Bernardino (County) | 61 | Bridge Fire 11 Sep 2024 |
| San Diego (County) | 51 | Severe Storm and Flooding 19 Feb 2024 |
| San Francisco (County) | 11 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| San Joaquin (County) | 25 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| San Luis Obispo (County) | 28 | Severe Winter Storms, Tornadoes, Flooding, Landslides, and Mudslides 13 Apr 2024 |
| San Mateo (County) | 24 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Santa Barbara (County) | 43 | Severe Winter Storms, Tornadoes, Flooding, Landslides, and Mudslides 13 Apr 2024 |
| Santa Clara (County) | 25 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Santa Cruz (County) | 34 | Severe Winter Storms, Tornadoes, Flooding, Landslides, and Mudslides 13 Apr 2024 |
| Shasta (County) | 41 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Sierra (County) | 16 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Siskiyou (County) | 23 | Tropical Storm Hilary 21 Nov 2023 |
| Solano (County) | 30 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Sonoma (County) | 36 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Stanislaus (County) | 20 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Sutter (County) | 20 | Severe Winter Storms, Tornadoes, Flooding, Landslides, and Mudslides 13 Apr 2024 |
| Tehama (County) | 25 | Park Fire 25 Jul 2024 |
| Trinity (County) | 32 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Tulare (County) | 23 | Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides 3 Apr 2023 |
| Tuolumne (County) | 22 | Dove Fire 26 Jul 2026 |
| Ventura (County) | 53 | Sandy Fire 18 May 2026 |
| Yolo (County) | 22 | Severe Winter Storms, Flooding, Landslides, and Mudslides 14 Jan 2023 |
| Yuba (County) | 28 | Severe Winter Storms, Flooding, Landslides, and Mudslides 10 Mar 2023 |