Standards & Guidelines
The City of Seattle Construction Standards (Plans and Specs) apply whenever any public or private construction is performed within the City’s Right of Way. This includes work performed by private parties at their own expense under authority granted by the City Council, or by a permit issued from the Seattle Department of Transportation’s Street Use section.
Additional resources include:
- CAD Resources for CAD Manual, Civil 3D Templates, and other Drafting Guidelines
- The Seattle Public Utilities Design Standards and Guidelines for requirements for SPU specific assets
- The Seattle Biological Evaluation tool for federal permitting for in-City capital projects
Note: for design and construction information on privately owned property within the City of Seattle, please visit the Seattle Department of Construction Inspection.