Changes to Code
Proposed Changes to Code
- 2021 Seattle Code Adoption
- 2025 Design Review Program Changes
- Accessory Dwelling Units Code Updates
- Bird-Friendly Development Best Practices
- Building Emissions Performance Standards (links to Office of Sustainability and Environment’s page)
- Design Review Exemption for Downtown & Center City
- Incentive Zoning Update (links to Office of Planning and Community Development's page)
- Floodplain Development Regulations Update
- Leaf Blower Best Practices
- Light Rail Expansion Code Updates
- Low-Income Housing & Affordable Units Amendments
- Master Use Permit Lifespan Extension
- Permit Review Improvements
- Public Schools Code Updates
- Residential Loading Berth & Deliveries Study
- Rooftop Coverage Regulations
- Shoreline Master Program Update
- Solid Waste Storage and Access
- Stormwater Code and Manual Update 2026
- Unreinforced Masonry Buildings
Recent Changes to Code
- Accessory Dwelling Unit (links to SDCI common question page)
- Affordable Housing Design Review Amendments
- Childcare Ordinance
- Environmentally Critical Areas Update
- Home Occupations
- Street Activation