Pre-Approved Plans

The City of Kirkland’s Municipal Code (Chapters 15.04 and 15.52) was amended to adopt King County’s 2021 Stormwater Design Manual and 2021 Stormwater Pollution Prevention Manual effective on July 1, 2022. Learn more about this update(PDF, 128KB).  


Pre-Approved Plans are to be referred to by any individual or company designing, constructing or maintaining water, sewer, storm drainage, or street improvements in the City of Kirkland.

The Public Works Department updates the Pre-Approved Plans at least annually; the most recent change was January 1, 2024.  Please see our lists of changes for 2024:

List of Changes January 2024(PDF, 188KB)


You may download the full document (Pre Approved Plans Entire Document(PDF, 43MB)) or individual plans by following the link to the corresponding type.


What are your thoughts?

We are always striving to provide our customers with the best product. We would appreciate your comments regarding the Pre-Approved Plans. If you have ideas on how to improve them, please let us know.