Revised Seattle Stormwater Code and Seattle Stormwater Manual Effective July 1, 2026
The revised Seattle Stormwater Code and Seattle Stormwater Manual became effective July 1, 2026. That means, projects with a completed application on July 1, 2026, or later, must comply with the 2026 code. If this applies to your project, please download and use the updated submittal documents from the SDCI Stormwater Code website. … [ Keep reading ]






