City or county permits
Confirm whether the property is in an incorporated city or unincorporated King County, then use that jurisdiction’s official permit and zoning records.
Washington market reference
Seattle’s Eastside property resources.
Parcel, tax, permit, zoning, critical-area, septic, and school-boundary records may be maintained by different county, city, district, or state offices.
Official sources
Identify the parcel and responsible jurisdiction first.
- King County Property Research Parcel Viewer, iMap, property reports, and related county research tools.
- King County Property and Permit Guide Permit, zoning, district, and development-condition starting points for unincorporated property.
- King County Critical Areas County guidance for wetlands, streams, flood areas, and geologic hazards in its jurisdiction.
- King County Public Health Permit Center On-site sewage and other environmental-health permit resources.
- King County GIS Maps and Apps County mapping applications, including parcel and septic-record tools.
- City of Issaquah Official city planning, permit, code, and municipal information.
- City of Sammamish Official city planning, permit, code, and municipal information.
- City of Snoqualmie Official city planning, permit, code, and municipal information.
- Washington OSPI Maps and Applications Official statewide school-district mapping; confirm attendance boundaries with the responsible district.
- Issaquah School District Attendance Maps Official district attendance-boundary maps for addresses within that district.
- FEMA Flood Map Service Center Official federal flood-map starting point.
Property review
Verify the address across the agencies that maintain the record.
Critical areas and systems
Check the responsible agency for flood, wetland, stream, slope, septic, well, and utility information when those questions apply.
School-district boundaries
Confirm the exact address with the responsible school district’s official boundary source. Do not infer a boundary from a neighborhood name or mailing address.
Direct contact
Discuss an Eastside property.
Send the address and the purchase, sale, or commercial question you want reviewed.