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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...


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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. Click Here to learn more about levies and our property tax system.


In 2010, 33 of the 44 taxing district requests to voters for funding was 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 in 2007. This value was used to calculate taxes owing in 2009 according to state law.


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Business Equipment (Personal Property) Forms & Publications
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Personal Property Listing Form (pdf) for listing all business equipment/personal property.

Personal Property Listing Form Instructions (pdf) for business equipment/personal property.

Sample Personal Property Listing Form (pdf) example of pre-filled listing form sent by Assessor.

Personal Property Listing Item Abbreviations and Categories Guidelines (pdf).

Advanced Tax Business Closure (pdf) for businesses that are selling, closing, filing for bankruptcy or moving out of Snohomish County.

Advanced Tax Business Sale (pdf) for businesses that are selling, closing, filing for bankruptcy or moving out of Snohomish County.

Farm Machinery and Equipment Exemption Form (pdf)

Personal Property Refund Form (pdf)

Related Informational Material:

      Space/Building Improvement Guidelines Publication (pdf)

      Dept. of Revenue Business Personal Property Tax Fact Sheet (pdf)

      Dept. of Revenue Business Personal Property Valuation Guidelines (1999 to present) used by all county Assessors in Washington State to value Personal Property. Guidelines include depreciation tables.