HB 2141
In CommitteeHouse
Building codes
Concerning building codes.
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
HB 2141 pauses routine updates to Washington’s building and energy codes for 10 years, starting with the 2024 code adoption, and limits future substantive updates to every 6 years beginning in 2036. It bars local governments from adopting new local code amendments during the pause and explicitly protects the use of gas for heating. The bill also codifies two state climate zones and retains emergency update authority for urgent needs.
- Imposes a 10-year pause on updates to the state building and energy codes, starting with the 2024 code adoption, with no substantive changes allowed until 2034.
- Starting with the 2036 edition, substantive updates to building and energy codes may occur no more than every 6 years, not annually or every 3 years as previously allowed.
- Prohibits local governments from adopting or approving new local amendments to building or energy codes during the 10-year pause, though some pre-1990 local residential energy codes may remain in effect.
- Requires the State Building Code Council to adopt the 2024 energy code for residential and nonresidential buildings, with explicit protections for gas-fueled heating appliances—codes may not penalize or discourage use of gas for heating.
- Establishes two climate zones for energy code purposes (Eastern and Western Washington), and prohibits changing zone assignments through code adoption or rulemaking.
- Allows emergency code amendments at any time for public health/safety, legal compliance, or court orders, and permits legislatively directed updates outside the normal cycle.
Who is affected
- Homeowners, builders, and developers — Homeowners, builders, and developers must follow updated energy and construction standards; during the 10-year pause, local governments cannot approve new local building code amendments, limiting local flexibility but ensuring consistency across the state.
- Local governments — Local governments (cities, towns, and counties) lose the ability to adopt or approve new local amendments to building or energy codes during the 10-year pause, but may enforce stricter pre-1990 residential energy codes in limited cases.
- State Building Code Council — The State Building Code Council must pause routine code updates for 10 years, then resume updates no more frequently than every 6 years starting in 2036, while still being able to respond to emergencies or legislative mandates.
- Washington residents — Residents in new or renovated homes and buildings benefit from updated energy efficiency standards starting in 2024, but may face continued use of gas-fueled appliances without penalty due to explicit legal protections in the bill.
Pro/Con Analysis
Potential Benefits (5)
Emergency authority remains available to address urgent threats to health, safety, or legal compliance, ensuring codes can still be updated for fire safety, structural integrity, or pandemic-related needs.
Public SafetyPeopleRef: Sec. 2(1)(c)(i)-(iii); Sec. 3(5)(a)-(c); Sec. 1(5)The 2024 code adoption (which proceeds as scheduled) still provides a baseline of improved energy efficiency for new construction, offering some short-term savings on utility bills for new homeowners.
HousingPeopleRef: Sec. 1(3)(b); Sec. 2(1)(a); Sec. 3(2)By halting routine code updates, the bill reduces administrative burden on local building departments, potentially allowing staff to focus on permitting and inspection rather than complex code interpretation changes.
Local GovernmentRef: Sec. 1(3)(c); Sec. 2(1)(b); Sec. 3(2)Codifying two climate zones (Eastern and Western Washington) provides clearer, more consistent regulatory expectations for builders and developers operating across regions, reducing compliance complexity.
HousingRef: Sec. 4(4); Sec. 4(7)(a)Legislative direction and court orders remain viable paths for off-cycle updates, preserving a mechanism for urgent, legislatively mandated changes outside the normal cycle.
Local GovernmentRef: Sec. 2(6); Sec. 3(5)(c)
Potential Concerns (5)
Pausing energy code updates for 10 years delays or prevents adoption of more stringent energy efficiency standards, reducing potential reductions in greenhouse gas emissions and fossil fuel consumption from new construction.
EnvironmentLean industryRef: Sec. 1(3)(b); Sec. 2(1)(a); Sec. 3(2)Explicit statutory protection for gas-fueled heating appliances prevents future codes from discouraging or penalizing natural gas use, locking in fossil fuel dependence and undermining climate goals.
EnvironmentIndustryRef: Sec. 1(1)(b); Sec. 3(2)(a); Sec. 4(3)Homeowners and renters in existing housing stock miss out on incremental improvements in insulation, windows, and HVAC systems that would have come with more frequent code updates, potentially increasing long-term energy bills and reducing comfort.
HousingPeopleRef: Sec. 1(3)(b); Sec. 2(1)(a); Sec. 3(2)Local governments lose authority to adopt more stringent local energy or building codes during the 10-year pause, reducing their ability to respond to regional climate vulnerabilities or community priorities.
Local GovernmentLean industryRef: Sec. 1(3)(b); Sec. 2(1)(a); Sec. 3(2)Builders and developers face reduced regulatory uncertainty during the pause, but may lose competitive advantage in markets where sustainability features increasingly influence homebuyer demand and premium pricing.
Business & EmploymentLean industryRef: Sec. 2(1)(a); Sec. 3(2)(a)
Who Is Most Affected
Homeowners and renters in new or renovated homes benefit from the 2024 code’s baseline efficiency improvements, but lose long-term gains from delayed updates; those in older homes see little direct benefit.
Builders and developers gain regulatory predictability and reduced compliance costs during the pause, but may lose market differentiation in areas where green building is a premium feature.
Local governments lose flexibility to tailor codes to local climate or housing needs, but benefit from reduced administrative burden and fewer legal conflicts over local amendments.
Gas utilities and appliance manufacturers benefit from explicit legal protection for gas heating, insulating their products from future efficiency-based phaseouts or disincentives.
Climate and environmental advocacy groups see delayed progress on decarbonization goals, especially in new construction; long-term emissions may be higher than otherwise expected.