Welcome to the City of Seattle's web site for the Energy Code. This site contains the entire text of the Energy Code in effect in Seattle: the 2006 Seattle Energy Code (2006 Washington State Energy Code plus Seattle amendments). This site also contains links to Client Assistance Memos, forms, and Directors Rules, as well as a search function for the Energy Code.
Energy Code
Energy Code requirements are subdivided by occupancy type. Chapters 1-10 of the Energy Code contain the requirements for Group R occupancy (single family, multi-family, hotel and motel guest rooms, both low-rise and high-rise) and are referred to as the Residential Energy Code. Chapters 11-15 contain the requirements for all other occupancies and are referred to as the Nonresidential Energy Code. Reference Standard (RS) 29 contains requirements that are only applicable to detailed computer analysis.
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Residential Energy Code
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Nonresidential Energy Code
Reference Standard 29
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Client Assistance Memos
The Seattle Department of Planning and Development produces Client Assistant Memos (CAMs) to provide guidance to users on the intent of the Code and how to comply with its requirements.
- Summary of Energy-Related CAMs
- Complete List of CAMs (non-energy CAMs)
Forms
As part of the permit application, the Seattle Department of Planning and Development requires that certain forms be submitted to document compliance calculations.
- Residential Energy Code forms
- Nonresidential Energy Code forms
- Complete list of DPD forms (non-energy forms)
Director's Rules
Director's Rules (DRs) are technical interpretations of code requirements that have been issued by the Seattle Department of Planning and Development. These Director's Rules apply to projects within the Seattle City limits.

