Pre-Approved Plans

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, 2025. Please see our lists of changes for 2025:

List of Changes January 2025(PDF, 204KB)

You may download the full document (Pre Approved Plans Entire Document(PDF, 55MB)) or individual plans by following the link to the corresponding type.

Pre-approved plans

Erosion Control Pre-Approved Plans

LID Storm Facilites Pre-Approved Plans

Public Works Dept. General Policies and Plans

Sanitary Sewer Pre-Approved Plans

Storm Drainage Pre-Approved Plans

Traffic Signals Pre-Approved Plans

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.