Wildfire Zones: Green Valley vs Marana
How do wildfire zones rules compare between Green Valley, AZ and Marana, AZ?
Marana has fewer restrictions than Green Valley.
Green Valley, AZ
Pima County
Pima County designates extensive WUI zones in the Catalina Foothills, Tanque Verde, and areas bordering Saguaro NP. IWUIC requires fire-resistant materials and defensible space.
View full Green Valley rules →Marana, AZ
Pima County
Marana has wildland-urban interface areas along the Tortolita Mountains and Dove Mountain foothills. Northwest Fire District enforces the International Fire Code with wildfire mitigation requirements for properties in high-risk zones.
View full Marana rules →Key Facts Comparison
| Fact | Green Valley | Marana |
|---|---|---|
| Code | IWUIC as adopted | - |
| Highest Risk | Catalina Foothills, Tanque Verde | - |
| Roofing | Class A fire-rated required in WUI | - |
| Access Roads | 20 ft minimum width | Required in hillside developments |
| Recent Fire | 2020 Bighorn Fire | - |
| WUI Areas | - | Dove Mountain, Tortolita foothills |
| Fire District | - | Northwest Fire District |
| Codes | - | IFC and IWUIC (state-adopted) |
| Building Standards | - | Fire-resistant materials in WUI |
Highlighted rows indicate differences between cities.
Green Valley FAQ
Is my property in a Pima County WUI zone?
Properties near the Catalina Foothills, Tanque Verde Valley, and areas bordering Saguaro National Park or Coronado National Forest are likely in WUI zones. Contact Pima County Development Services or your fire district for a specific determination.
What building requirements apply in WUI zones?
Class A fire-rated roofing, fire-resistant exterior materials, ember-resistant vents, minimum 30-foot defensible space, and 20-foot-wide access roads. Additional requirements may apply based on your fire district.
Marana FAQ
Is my Marana home in a wildfire zone?
Properties near the Tortolita Mountains, Dove Mountain foothills, and Santa Cruz River corridor are in the wildland-urban interface. Contact Northwest Fire District at (520) 887-1010 for a specific assessment.
What building requirements apply in Marana wildfire zones?
Properties in WUI areas may need fire-resistant roofing, ember-resistant vents, and defensible-space vegetation management per the International Fire Code and IWUIC.
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