King County Residential Site plan packet

Preparing a residential site plan for unincorporated King County? This printable guide helps homeowners and contractors understand what information may need to appear on their permit drawings before submitting.

Inside, you’ll find:

• King County–specific site plan checklists

• An explanation of the two plans commonly required for new residential construction

• Property, setback, utility, drainage, critical-area, and access prompts

• A site measurement and area-tracking worksheet

• A large grid for planning your site layout

• A final pre-submittal review checklist

• Direct links to official King County forms and instructions

This guide is intended for properties located in unincorporated King County. Cities within King County may have different requirements.

Digital PDF download. No physical product will be mailed.

This is an independent organizational resource and not an official King County form, professional site plan, survey, or guarantee of permit approval. Always confirm current requirements with the reviewing agency.