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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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Downloadable Property Forms and Publications
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Some of these forms are in PDF format which requires Adobe Acrobat Reader for viewing. If you prefer not to use these online forms or publications, you may contact us for information on where to obtain this information or request that it be mailed to you.

Alphabetical List of All Forms:

A
2011 Annual Report
2010 Annual Report
2009 Annual Report
2005 Annual Report
2006 Annual Report
2007 Annual Report
2008 Annual Report
Advance Tax Request Form(pdf)
Alternate Plat Listing by Name Compiled from our GIS
B
Blank Listing Form
D
Dept of Revenue Business Personal Property Valuation Guidelines
Dept of Revenue Business Property Tax Fact Sheet
Designated Forest Land Application
Destroyed Property Claim Form
F
Farm Machinery and Equipment Exemption Form (Word Doc)
Full Plat Listing by Name
Full Plat Listing by Number
H
Homeowner's Guide to Property Taxes Publication
I
Improvement Exemption - Single Family Dwellings
L
Legal Description Abbreviations Publication
Legislative Guide to Washington State Property Taxes
Limited Income Property Tax Deferral Application
Limited Income Property Tax Deferral Program Publication
Listing Form Instructions
Listing Item Abbreviations
Levy Class
M
Mass Appraisal Reports for 2008
Mass Appraisal Reports for 2009
Mass Appraisal Reports for 2010
Mass Appraisal Reports for 2011
N
New Plat Listing
O
Open Space and Designated Forest Audit FAQ
Open Space Farm and Agricultural Land Classification Form
Open Space or Timber Current Use Assessment Form
Open Space Publication
P
Personal Property Exemption for Farm Machinery and Equipment
Personal Property Refund Form
Property Tax/Leasehold Excise Tax Exemption Form
Property Use Codes Publication
S
Sample Listing Form
Segregation Request Form
Senior Citizen/Disabled Person Deferral Publication
Senior Citizen/Disabled Person Exemption Application
Senior Citizen/Disabled Person Exemption Publication
Space / Building Improvement Guidelines Publication(pdf)
V
Valuation Appeal Publication