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Assessor's Office


Cindy Portmann Assessor
425 388-3433
Snohomish County Washington
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Did You Know?
Cindy Portmann Assessor
Typically 42% - 47% of all property taxes that you pay are from voter approved levies. This includes cities, schools, parks, fire districts, and more... Read more

Washington State has a 'budget-based' property tax system, so the taxing districts budgets and voter approved measures determine how much you pay. Simply put, when values decline levy rates increase, when values increase, levy rates decrease. Learn more about levies and our property tax system

In 2012, 13 of the 16 taxing district requests to voters for funding were passed by voters.

The decrease in total residential assessed value county-wide started with the 2008 Jan. 1st assessment and reflected the decline in the market since 2007. Sales that occurred in 2012 will be used to calculate the new 2013 assessments, which will be used to calculate taxes due in 2014. Learn more about annual reports
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Assessor Data
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A variety of assessment data is available in electronic format for download from our ftp site at ftp://ftp.snoco.org/assessor. Snohomish County has made every effort to make the data freely and readily accessible. Due to the variety of user system configurations and security software, we are not able to provide technical assistance if you are unable to download the data. If you have difficulty downloading the data it is recommended that you check your security software to see if it is set for passive FTP, is blocking ZIP files, set to allow only small amounts of data to be downloaded or if the county FTP address is being blocked. As an alternative, assessment data is available on CD. Please contact our office for instructions on how to acquire the data on CD.

 

Spatial Data (GIS - Geographic Information Systems)

Snohomish County has a distributed GIS program with GIS work groups located in Public Works, Planning, Information Services and the Assessor's office. The Assessor is the custodian of a variety of spatial data layers and has these available for FTP download at no cost. New extracts are posted to the FTP site every Tuesday.

 

Tabular Data

Selected extracts from our tabular data systems are available for free download.

The Assessor's office will continue to enhance its data offerings in the future.