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WA HB1183
Bill
Status
Passed
4/22/2025
Primary Sponsor
Davina Duerr
Click for details
AI Summary
- Cities and counties must allow exterior wall insulation to project up to 8 inches into setbacks and buildings to exceed roof height by 8 inches for residential retrofits and passive house construction
- Off-street parking requirements are eliminated for affordable housing, passive house buildings, modular construction, and mass timber construction projects
- Façade modulation and upper-level setback requirements are prohibited for affordable housing, passive house, modular, mass timber, and building conversion projects
- Buildings may exceed maximum roof height by at least 48 inches to accommodate roof-mounted solar energy panels
- Maximum unit sizes are established for affordable housing: 400 sq ft (studio), 550 sq ft (1-bed), 750 sq ft (2-bed), and 1,000 sq ft (3-bed)
Legislative Description
Concerning building code and development regulation reform.
Last Action
Effective date 7/27/2025.
4/22/2025
Committee Referrals
Rules4/8/2025
Ways & Means3/25/2025
Local Government3/13/2025
Rules2/28/2025
Appropriations1/29/2025
Local Government1/13/2025
Full Bill Text
No bill text available