Washoe County, NV Fire Regulations: Wildfire Zones (2026)
Key Facts
- Code adopted
- 2024 IWUIC chapter 5, effective July 1, 2025
- Governing section
- WCC 100.101.2.6, scope of WUI code
- Enforcing agency
- Washoe County Building and Safety Division
- Unpermitted work fee
- 2x permit fee, up to 4x for contractors
- Fee cap
- $4,000 residential, $50,000 other construction
- Criminal penalty
- Up to $1,000 fine or 6 months jail
- Grandfather rule
- Legal pre-existing structures may continue use
Summary
Washoe County requires new construction, additions, and occupancy changes in wildland-urban interface areas to meet the 2024 International Wildland-Urban Interface Code, chapter 5, adopted as part of the county Building Code effective July 1, 2025. Buildings legally existing before adoption keep their approved use unless they pose a danger to life or property, per WCC 100.101.2.6, enforced by the Building and Safety Division.
The provisions of this code shall apply to the construction, alteration, movement, repair, maintenance and use of any building, structure or premises within the wildland-urban interface areas of this jurisdiction. Buildings or conditions in existence at the time of adoption of the IWUIC are allowed to have their use or occupancy continued, if such condition, use or occupancy was legal at the time of the adoption and provided such continued use does not constitute a distant danger to life or property. Buildings or structures moved into or within the jurisdiction shall comply with the provisions of the IWUIC for new buildings or structures.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 20 Update 2).
Full Breakdown
10 adopts the 2024 International Wildland-Urban Interface Code (IWUIC), chapter 5, effective July 1, 2025 under Ordinance No. 1736. 6, first enacted by Ordinance No. 1510 in 2013, states the code applies to the construction, alteration, movement, repair, maintenance, and use of any building, structure, or premises within the wildland-urban interface areas of the county, covering the foothills and forested unincorporated neighborhoods bordering Sierra wildland fuels. A structure or use that was legal when the IWUIC took effect can continue without retrofit unless it creates a danger to life or property, but any building moved into or within the jurisdiction must meet the current IWUIC standards for new construction. us/bldgsafety. 113. 3.
Violations & Fines
Working without a required permit in a WUI area triggers an investigative fee equal to twice the standard permit fee under WCC 100.113.3.1, increased up to four times for a licensed contractor, capped at $4,000.00 for residential work and $50,000.00 for other construction types. Continued noncompliance is enforced under WCC 100.113.3 as a misdemeanor, with each day a separate offense, and is punishable under WCC 125.050 by a fine up to $1,000.00 or up to six months in county jail, or both.
Frequently Asked Questions
Does the Wildland-Urban Interface Code apply to my existing home in Washoe County?
What edition of the Wildland-Urban Interface Code does Washoe County enforce?
What happens if I build in a WUI area without a permit?
Who enforces the Wildland-Urban Interface Code in unincorporated Washoe County?
Sources & Official References
Other rules in Washoe County
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