I do a lot of research regarding properties in the Puget Sound region. This is my list of sites I use regularly.

Details On Wells In Washington State

• Washington State Department of Ecology

Snohomish County

Snohomish County GIS Maps:

• PDS Map Portal
• Interactive Maps Site
• Property Info Map
• Permit, Planning and Zoning Map

Snohomish County Government:

• Assessor
• Health District, Drainfield Records
• Health District, Permit Application Status
• Recorded Documents

Snohomish County Permits and Permit Tracking

• County Permit Forms
• County Permit Status 
• Old PDS Site Status Check
• New MyBuildingPermit.com Dashboard
• Estimated Permit Review Times

Cities within Snohomish County

City of Arlington

• Status Search On This Page

City of Edmonds:

• Permit Status Site

City of Everett:

• Permit Site
• Permit Status
• Zoning Map

City of Lake Stevens

• Permit Status

City of Lynnwood:

• Permits

City of Marysville

• Permit application and status check
• Permit Department’s page
• Planning Department

Island County:

• Planning Department
• As-Builts
• Interactive Maps

Other Stuff

• USDA Loan Eligibility Map
• Washington Secretary of State’s Corporation Search