SHB 1254
In CommitteeHouse
Wildland urban interface
Implementing the International Wildland Urban Interface Code.
This status may be delayed. See Action History below for the latest updates.
How does a bill become law?
- Introduced: The bill is filed and assigned a number.
- Committee: A subject-matter committee holds hearings, takes public testimony, and decides whether to advance the bill.
- Floor Vote: The full chamber (House or Senate) debates and votes on the bill.
- Opposite Chamber: The bill repeats the committee and floor vote process in the other chamber.
- Governor: The Governor reviews the bill and decides whether to sign or veto it.
- Signed: The bill has been signed into law.
AI Analysis
This bill makes Washington’s state building code include the International Wildland Urban Interface Code for homes and structures in areas at high or very high risk of wildfire. It sets specific construction standards — like fire-resistant roofs and walls — to help prevent structures from igniting during wildfires, and requires local governments to use a statewide wildfire risk map to determine where these rules apply.
- Adopts the International Wildland Urban Interface Code (IWUIC) as part of Washington’s state building code for areas identified as high or very high wildfire hazard zones.
- Requires ignition-resistant construction for roofs, exterior walls, and decks in high-hazard areas — including specific standards like Class A roof coverings, fire-retardant-treated wood, and ember-resistant screening.
- Mandates that local governments use a statewide wildfire hazard and risk map (developed by the Washington State Fire Marshal) to determine where the IWUIC applies; local maps may be used temporarily but must align with state standards within six months of completion.
- Requires building permits for new construction or major renovations in high-hazard zones to comply with the IWUIC’s technical provisions.
- Prohibits local governments from adopting standards that are *less strict* than the state’s minimum IWUIC requirements.
Who is affected
- Homeowners and property owners in wildfire-prone areas — Homeowners and property owners in areas identified as high or very high wildfire hazard zones must meet new construction and renovation standards to reduce fire risk, such as using ignition-resistant roofing and exterior materials.
- Counties, cities, and towns — Local governments must adopt and enforce wildfire risk mapping and apply specific building standards for new construction and major renovations in high-risk zones.
- Builders and construction professionals — Builders, contractors, and developers must follow new ignition-resistant construction standards when working on homes and structures in designated high-hazard areas.
- First responders — Firefighters and emergency responders benefit from improved building standards that reduce fire spread and increase safety during wildfire response.
Pro/Con Analysis
Stronger case for benefits
Potential Benefits (5)
Reduces risk of structure ignition and fire spread during wildfires through mandatory ignition-resistant construction (e.g., Class A roofs, ember-resistant screening), directly protecting lives and property in high-risk communities—supported by fire science showing such measures significantly reduce ember-driven ignition.
Public SafetyPeopleRef: Sec. 1(1)(d), Sec. 2(1), Sec. 2(5)Improves firefighter safety by reducing structural collapse and flashover risk during wildfire response, enabling more effective containment operations and lowering responder injury/mortality—consistent with NFPA and Firewise USA findings on ignition-resistant construction.
Public SafetyPeopleRef: Sec. 1(7), Sec. 2(5)Reduces catastrophic wildfire severity and extent by limiting ember-driven ignition in the wildland-urban interface, thereby preserving forest ecosystems, watersheds, and air quality—especially beneficial in eastern WA and the Cascades where fire seasons are lengthening.
EnvironmentPeopleRef: Sec. 2(4), Sec. 2(5)Increases long-term resilience of existing homes through roof replacement and deck upgrade requirements, helping maintain property values and insurance availability in fire-prone areas—where insurers are already restricting coverage or hiking premiums.
HousingPeopleRef: Sec. 2(1)(a)(i)(B), Sec. 2(1)(a)(iii)(A)Standardizes wildfire risk mapping across jurisdictions via a statewide map developed by the State Fire Marshal, reducing confusion and ensuring consistent application of building standards—helping small towns without mapping resources.
Local GovernmentPeopleRef: Sec. 2(4)
Potential Concerns (5)
Mandates ignition-resistant construction (e.g., Class A roofs, fire-retardant-treated wood, ember-resistant screening) for new construction and major renovations in high-wildfire-risk zones, significantly increasing material and labor costs for homeowners and builders—estimated to raise construction costs by 10–25% in affected areas.
FinancialPeopleRef: Sec. 2(1)(a)(i)–(iii), Sec. 2(5)Imposes administrative and enforcement burdens on local governments to adopt and apply the statewide wildfire risk map and verify compliance with IWUIC standards, potentially straining small jurisdictions without dedicated fire/wildfire planning staff.
Local GovernmentPeopleRef: Sec. 2(4)Requires costly upgrades (e.g., fire-retardant-treated wood, noncombustible exterior walls, screened deck understructures) that may be unaffordable for low- and moderate-income homeowners in rural or exurban wildfire zones, potentially increasing housing insecurity and displacement risk.
HousingPeopleRef: Sec. 2(1)(a)(ii), Sec. 2(1)(a)(iii)(A)Exempts certain low-cost deck alternatives only if they meet narrow technical criteria (e.g., 2-inch nominal depth, wire mesh screening), which may be difficult for DIY homeowners or small contractors to implement correctly—disproportionately affecting rural, elderly, or low-income residents who cannot afford professional installation.
HousingPeopleRef: Sec. 2(1)(a)(iii)(B)Bars local governments from adopting standards *less strict* than the state’s minimum IWUIC, reducing local flexibility to tailor requirements to community capacity or economic constraints—potentially stifle small builders in economically distressed rural counties who cannot absorb added compliance costs.
Business & EmploymentPeopleRef: Sec. 2(3)
Who Is Most Affected
Homeowners in high-wildfire-risk areas face higher upfront construction/renovation costs but gain long-term protection and potentially higher property values and insurance stability. Low- and moderate-income households are most vulnerable to affordability impacts.
Local governments gain a standardized, science-based wildfire risk map but must invest in staff time and enforcement capacity. Smaller jurisdictions may struggle with compliance costs, while larger cities with fire/wildfire planning units may absorb the burden more easily.
Builders and contractors face increased material and labor costs and must adapt to new technical standards. Large, well-capitalized firms can absorb these changes more easily than small, rural contractors—potentially consolidating the market.
First responders benefit from reduced structural ignition and fire spread, leading to safer, more effective wildfire response. This is a consistent, strong positive impact across all responder agencies.
Insurers may reduce premiums or expand coverage in fire-prone zones as structural risk declines, but could also raise rates if compliance costs push homeowners into higher-risk categories or lead to underinsurance.