Building Permit Checklist - continued
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Lot coverage (area of impervious surfaces) and supporting calculations. Provide separate subtotals for buildings,
driveways/parking areas, and walkways/patios. Identify existing, proposed, and replaced impervious surfaces. To
be included on Site Plan.
A completed Administrative Design Review (ADR) Supplemental Checklist describing compliance with KZC Chapter
92 shall be submitted with your building permit application, if ADR is required. (For new construction or exterior
modifications located in one of the following zones: CBD, NRHBD, RHBD, TLN, JBD, or MSC, Design Board Review
(DBR) or Administrative Design Review (ADR) and compliance with the design regulations of Kirkland Zoning Code
Chapter 92 may be required.)
Accessory Dwelling Unit (ADU) Registration Application (Required if the project involves creating a new ADU or
registering an existing ADU.)
Floor Area Ratio (FAR) Calculations (Required for NEW construction or any project with an addition of new square
footage.) FAR calculations shall be provided by structure (garage, house, shed, etc.) and area (in square feet) by
floor (basement, 1st Floor, 2nd floor, attic) of existing and proposed structures. If located in Houghton, contact a
Planner to determine if FAR Calculations are required or not. To be included on Site Plan.
Average Building Elevation (ABE) Calculations (Required for NEW construction or if there is any change in the
existing roof line, or if an addition is being made.) See ABE Calculation Instructions. To be included on Site Plan.
Tree Retention Plan (May not be required is work is entirely within an existing building footprint.) See KZC 95.30
or call the Planning Department at 425-587-3600 for details on which plan is required for your project.
Arborist Report (If required by the Tree Retention Plan.) See KZC 95.30 or call the Planning Department at
425-587-3600 for details on whether or not an arborist report is required for your project.
Geotechnical Report (Required if construction will occur on or within 25' of a regulated slope.)
Any other items deemed pertinent by the Planning Department.
PUBLIC WORKS DEPARTMENT REQUIREMENTS
Civil Drawings (Drainage, utilities, etc., when required) To be included in the construction plan set.
Stormwater Drainage Plan (Required for projects creating 500 square feet or more of new impervious surface.)
Find more information on the Public Works Storm Drainage Pre-Approved Plans and Policies website,
particularly Policies D-2 and D-3.
Right-of-Way Improvements Plan (When required.) The right-of-way improvements plan must be designed,
stamped and signed by a licensed civil engineer. These improvements include sidewalks, curbs and gutters,
underground storm drainage, planter strip and street trees, and alley paving, among other items. For more
information about this requirement, contact the Public Works Department at 425-587-3800.
Erosion and Sedimentation Control (ESC) Plan (Required for projects creating 500 square feet or more of new
impervious surface.) Visit Public Works to learn more about temporary erosion and sediment control. See an
example ESC Plan.
Sewer Availability Certificate (Required if a new sewer connection will be through a district other than the City of
Kirkland or if the project is on a septic system and at least one bedroom is being added.) Contact the King County
Public Health Department for septic system requirements at 206-296-4600.
Water Availability Certificate (Required if a new water connection will be through a district other than the City of
Kirkland.)
Stormwater Drainage Report/TIR (May be required for projects that create or replace 2,000 square feet or more of
impervious surface.) Submit the appropriate type of drainage report depending on the project size and scope, per
Policies D-2 and D-3. Projects that trigger Simplified Drainage Review are required to submit a Simplified Drainage
Plan Submittal Template to meet TIR requirement. (If paper application, submit 2 hard copies and 1 electronic
copy.)
Soil Report (Required if no public storm drainage is available, or when required by Policy D-8.)
Construction Stormwater Pollution Prevention (CSWPP) Plan (Required for projects creating 500 square feet or
more of new or replaced impervious surface.) Projects that trigger this requirement are required to submit a
Construction Storm Water Pollution Prevention (CSWPP) Plan Template.