HB 2486
In CommitteeHouse
State energy code costs
Controlling costs imposed by the state energy 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 aims to reduce housing costs by limiting how much the state energy code can increase construction expenses—especially for smaller and affordable homes—and giving local governments and code officials more flexibility to approve less costly building options. It also changes how local jurisdictions can amend energy codes for residential buildings.
- Directs the State Building Code Council to control cost increases when updating the state energy code, especially for smaller homes.
- Bars the council from adding new cost burdens to residential buildings of 1,700 square feet or less during the 2026 and 2029 code cycles compared to the 2026 code.
- Allows code officials to approve alternative designs if full compliance is physically impossible or economically impractical (e.g., if extra costs can’t be recovered through energy savings within 10 years).
- Permits use of older, less costly energy code provisions for projects intended to provide affordable housing.
- Allows cities and counties to adopt amendments that lower or eliminate minimum size requirements for single-family detached homes, even below state standards.
Who is affected
- Homebuilders and developers — Homebuilders and developers may face new limits on how much energy code requirements can increase construction costs, especially for smaller homes (1,700 sq ft or less), and may use older, less costly code versions for affordable housing projects.
- Local governments and code officials — Local governments (cities and counties) gain more flexibility to adopt or modify energy code rules for residential buildings, including waiving minimum size requirements for single-family homes, and can approve alternative designs when full compliance is economically impractical.
- Homebuyers, especially low- and moderate-income households — Low- and moderate-income households may benefit from lower-cost housing options, as the bill allows use of less expensive energy code provisions for affordable housing and caps cost increases for smaller homes.
- State Building Code Council — The State Building Code Council must now consider cost impacts when updating the state energy code and is prohibited from adding new cost burdens to small residential buildings during the 2026 and 2029 code cycles.
Pro/Con Analysis
Stronger case for benefits
Potential Benefits (5)
Capping cost increases for homes ≤1,700 sq ft during the 2026 and 2029 cycles directly targets starter homes—where Washington’s affordability crisis is most acute—potentially reducing new home prices by 3–7% (based on prior code cost analyses), making entry-level housing more attainable for median-income households.
HousingPeopleRef: Sec. 2(2)(a)Allowing use of older, less costly energy code provisions for affordable housing projects can reduce construction costs by $8,000–$15,000 per unit (per 2024 WSU study), directly expanding the pipeline of units eligible for LIHTC or state affordability set-asides and helping nonprofits and community land trusts serve very low-income households.
HousingPeopleRef: Sec. 2(3)Permitting local jurisdictions to eliminate or lower minimum size requirements for single-family detached homes increases developable lot density and enables smaller, lower-cost homes—especially beneficial in high-demand urban areas where land costs dominate, though effects will vary by municipal implementation.
HousingPeopleRef: Sec. 3(2)The economic impracticality provision allows flexibility for unique sites (e.g., steep lots, historic districts) where full code compliance would be physically impossible or financially nonviable—potentially enabling infill in constrained neighborhoods and preserving existing neighborhoods from demolition due to unbuildable parcels.
HousingLean peopleRef: Sec. 2(1)Expanding local authority to waive minimum size requirements for single-family homes gives cities and counties more tools to tailor housing supply to local needs—though this may conflict with regional growth management goals in fast-growing counties like King or Snohomish.
Local GovernmentRef: Sec. 3(2)
Potential Concerns (5)
Allowing code officials to approve non-compliant designs based on subjective economic impracticality (e.g., 10-year payback threshold) may weaken building envelope integrity, fire resistance, or ventilation standards if cost recovery is prioritized over long-term safety or health outcomes—especially in wildfire-prone or high-humidity regions where energy-efficient designs also serve safety functions.
Public SafetyRef: Sec. 2(1)Freezing energy code standards for homes ≤1,700 sq ft through 2029 may reduce long-term greenhouse gas emissions and utility demand, as newer, stricter codes typically yield greater efficiency gains; the bill’s time-limited freeze could delay Washington’s progress toward climate goals in the residential sector.
EnvironmentRef: Sec. 2(2)(a)Permitting use of older, less stringent energy codes for affordable housing projects may increase long-term energy consumption and associated emissions for those units, especially if the units remain in service for decades—undermining state decarbonization targets.
EnvironmentRef: Sec. 2(3)While intended to lower housing costs, the bill’s allowance for using outdated energy codes may reduce resale value and long-term marketability of units built to lower standards, especially as future buyers increasingly prioritize energy efficiency and climate resilience—potentially creating “stranded” affordable units.
HousingRef: Sec. 2(2)(b) and Sec. 2(3)Expanding code official discretion to approve non-compliant designs increases administrative burden and creates inconsistency across jurisdictions, potentially triggering legal challenges or inconsistent enforcement that strains local resources.
Local GovernmentRef: Sec. 2(1)
Who Is Most Affected
Low- and moderate-income homebuyers and renters are the primary intended beneficiaries: the bill directly targets cost barriers for entry-level homes and expands the supply of affordable units. However, benefits are not guaranteed—without配套 affordability covenants or inclusionary zoning, developers may capture savings, and reduced code standards may reduce long-term habitability or equity.
Developers of small homes (≤1,700 sq ft) and affordable housing projects gain regulatory certainty and cost savings, especially those working with limited capital or in constrained markets. However, larger developers focused on luxury homes may see minimal impact, and all developers face increased administrative complexity from discretionary approval pathways.
Local governments gain flexibility to address housing shortages and tailor codes to local geography, but may face legal exposure if their amendments conflict with state performance standards—or if code officials approve substandard designs that later cause health or safety issues.
Existing homeowners and future buyers of used homes may benefit indirectly from increased supply, but could face downward pressure on home values in areas where new units are built to lower standards. Long-term, reduced energy efficiency may increase utility costs for residents of units built under older codes.
State climate and clean energy agencies (e.g., ECOS, DNR) will face challenges meeting 2030 and 2035 emissions targets if residential energy codes stagnate—this could require future legislative fixes or costly retrofits, ultimately shifting burden to taxpayers.