A total of 172,117 homes with a combined reconstruction cost value of over $65 billion are at some level of risk from the California wildfires blazing through the metropolitan areas of Napa and Santa Rosa, according to CoreLogic's hazard risk analysis.
Statewide, about 9.1 million homes with a combined reconstruction cost value of $3.1 trillion are at some level of risk from wildfires within California.
About 11,000 homes, or 6% of the total at risk in Napa and Santa Rosa with a projected reconstruction cost value of over $5 billion, could suffer significant damage, falling in "high" and "extreme" risk categories, according to CoreLogic's Wildfire Risk Score data. But, the majority of homes in these areas, totaling 161,059, or 94%, fall in "low" or "moderate" risk categories.
| CBSA | Low risk | Moderate risk | High risk | Extreme risk |
| Napa | 35,130 | 415 | 1,021 | 1,564 |
| $13,512,553,932 | $189,688,863 | $444,491,582 | $742,193,815 | |
| Santa Rosa | 122,925 | 2,589 | 5,766 | 2,705 |
| $46,290,156,192 | $924,485,462 | $2,677,530,858 | $1,164,512,382 |
Notably, wildfire can expand to adjacent properties and cause heavy damage even when the property in question may not be considered high risk, according to CoreLogic.
In Santa Rosa, 2,705 homes, with a reconstruction cost value of over $1.2 billion, are in extreme risk of susceptibility to wildfire damage, while 1,564 homes, totaling over $742 million in reconstruction cost value are at risk of extreme damage.
About 1,436 properties in Napa, and 8,355 homes in Santa Rosa, are considered in moderate or high risk of damage from the wildfires.
CoreLogic's analysis was calculated based on California homes within two core based statistical areas and on five active fires. Three are in Napa: Patrick, Atlas and Tubbs, and two are in Santa Rosa: Nuns and Pocket.
