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Research Your Property to Understand Code and Site Requirements

It’s important to understand which Seattle codes apply to your property to better plan your project. Seattle’s construction and land use codes determine: Conducting this research early can reveal permit history or site conditions that may affect your development. It will help determine if you have specific site requirements, even… [ Keep reading ]

New Resource for Landlords/Housing Providers

Landlords, housing providers, and property managers needing guidance on Seattle’s rental regulations can now quickly find the help they need by visiting our Submit a Request webpage. This new dedicated access point has a much quicker response time of 48 hours!  Note: the Renting in Seattle Helpline, (206) 684-5700, is… [ Keep reading ]

Update on Urban Forestry Review Costs 

The Seattle Department of Transportation (SDOT) is updating how Urban Forestry review and inspection charges are billed for Street Tree permits associated with development projects. This change is intended to better align billing with staff review and inspection time, support efficient use of public resources, and help SDOT continue administering street tree requirements in accordance… [ Keep reading ]

July Publication Updates

Tips Updated Director’s Rules

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 ]

SDCI Plays Vital Role in Transforming Seattle Stadium for the FIFA World Cup

We played a vital role in transforming Seattle Stadium into a world-class venue for FIFA World Cup 2026. A major focus of our work involved reviewing and approving massive infrastructure upgrades to meet strict international broadcasting and hospitality standards. This included permitting a dedicated broadcast compound in the south parking… [ Keep reading ]

Seattle’s Tree Protection Regulations Include Limits on Tree Removal and May Require Tree Replacement as Part of a Development Permit

Seattle’s tree protection regulations include limits on tree removal and may require tree replacement as part of a development permit. Tier 2 tree removal on sites undergoing development may be allowed if the standards in Seattle’s tree protection standards (Seattle Municipal Code Chapter 25.11) are met. Ordinance No. 127300, effective January 21,… [ Keep reading ]

June Publication Updates

Tips Updated Pulled from Circulation

Can AI speed construction permitting in Seattle? What we learned from testing automated application screening.

Seattle’s housing costs continue to rise alongside the cost of building new homes. While many factors contribute to these trends, the City can directly influence one critical driver: the construction permitting process. Construction permit applications go through review by City staff to make sure they follow zoning, safety, and other… [ Keep reading ]

Seattle’s Salvage Lumber Warehouse is Now Open

On the first day of May at a warehouse in SODO, Mayor Katie Wilson cut the wood ribbon with a chainsaw to celebrate the opening of the Salvage Lumber Warehouse. The new business is supported by a grant from the U.S. Environmental Protection Agency awarded to Seattle Public Utilities (SPU)…. [ Keep reading ]