Where is the snohomish county assessors office located? Find 15 external resources related to Snohomish County Assessor's Office. The Snohomish County Assessor's Office, located in Everett, Washington, determines the value of all taxable property in Snohomish County, WA.Where is the snohomish county clerks office located? Address and Phone Number for Snohomish County Clerk, a Clerk Office, at Rockefeller Avenue, Everett WA. Find Snohomish County residential property records including ownership, mortgage & deed records, land, parcel, zoning, & structural details, sales history, valuations, property tax assessments & more.What does the snohomish county property appraiser do? The Snohomish County Property Appraiser is responsible for determining the taxable value of each piece of real estate, which the Tax Assessor will use to determine the owed property tax. The Snohomish County Tax Collector is responsible for collecting property tax from property owners.What does the snohomish county tax collector do? The Snohomish County Tax Collector is responsible for collecting property tax from property owners. They issue yearly tax bills to all property owners in Snohomish County, and work with the sheriff's office to foreclose on properties with delinquent taxes.