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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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File Personal Property Listings Electronically    
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Introducing eFile

File your Snohomish County Personal Property Tax Listing Online

 What is eFile?

 Electronic filing or eFile is a way to file your business’s personal property listings over the internet.  It is only available to businesses already registered with Snohomish County.

 Why sign up for eFile? 

By using eFile you can save paperwork and time.  The eFile website has options to streamline data entry.  It will reduce the cost of printing and mailing your annual property listing, and it will validate the data you enter to prevent mistakes.

 How does it work?

 Using the account number from your 2009 personal property tax valuation notice you can register, and then edit/update your property tax information, and submit your listing electronically.

 How do I sign up?

 Beginning in February of 2009 go to the web site address provided and click on the ‘Enroll’ link at the top of the page.  Once you enroll you will receive your user name and password within 24 business hours.  You can then file personal property tax listings electronically for the year.

 Is their a deadline to sign up for eFile?

 To actively file for the current tax year you must enroll prior to April 16th, 2009.  The filing deadline for your personal property listing is still April 30th, 2009.

 What is the eFile web address?

 assessor.snoco.org/noEfile.aspx