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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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Residential Mass Appraisal Reports
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2009
Refer to the map and click on the appropriate region number below to find mass appraisal reports for your area of Snohomish County
    County Wide Report

   Region 1 reports
   Region 2 reports
   Region 3 reports
   Region 4 reports

Mass Appraisal Reporting Regions
Click here to view a larger version of this map

     Detailed Maps (pdf):
     Region 1 | Region 2 | Region 3 | Region 4

Click here to read a brief explanation of what a mass appraisal report is.

Click here to read the Washington State House of Representative's report measuring Real Property Appraisal Performance in Washingtons property tax system in 2008.

Click here to view definitions of the terms used in the mass appraisal reports.

Click here to view a report on standards for the mass appraisal reports.




Region 1 Reports
-Region 1 summary report(pdf)
Click here for a detailed map(pdf)

  • 1204 Rucker Hill
  • 1205 Everett South
  • 1208 Paine Field Area
  • 1209 Harbour Pointe Area
  • 1217 Picnic Point Area
  • 1302 Northeast Lynnwood
  • 1310 Everett Mall
  • 1315 Lake Stickney Area
  • 1403 North Lynnwood
  • 1407 Halls Lake Area
  • 1408 Lake Ballinger Area
  • 1409 Mountlake Terrace Area
  • 1504 Edmonds North
  • 1605 Edmonds South
  • 1606 Woodway

Region 2 Reports
-Region 2 summary report(pdf)
Click here for a detailed map(pdf)

  • 2104 Stanwood-Bryant Road
  • 2105 Rural Stanwood West of I-5
  • 2106 City of Stanwood
  • 2191 Stillaguamish
  • 2207 Seven Lakes Area
  • 2307 Northeast Tulalip Reservation
  • 2314 Tulalip Reservation including waterfront, leased land, and Port Susan
  • 2315 Tulalip Reservation East
  • 2408 City of Arlington
  • 2413 Marysville Area North
  • 2418 Hat Island
  • 2513 Marysville South
  • 2516 Lake Stevens Area West of Hwy 9
  • 2616 Lake Stevens and Surrounding Area

Region 3 Reports
-Region 3 summary report(pdf)
Click here for a detailed map(pdf)

  • 3109 City of Snohomish
  • 3113 Cathcart, Maltby, and Clearview
  • 3191 Snohomish River Basin
  • 3202 Northwest Everett
  • 3203 North Everett & Lowell
  • 3219 Eastmont Area
  • 3304 Snohomish Cascade Area
  • 3311 Silver Lake Area East to Snohomish
  • 3312 City of Mill Creek
  • 3314 North Martha Lake
  • 3401 Lake Martha Area
  • 3413 South and East of Mill Creek
  • 3511 Canyon Park, Maltby, Crystal Lake
  • 3514 Echo Falls Area
  • 3515 Echo/Lost Lake Area
  • 3602 City of Brier
  • 3610 Generally North and East of Brier

Region 4 Reports
-Region 4 summary report(pdf)
Click here for a detailed map(pdf)

  • 4102 East of Granite Falls and Lake Roesiger
  • 4119 Remote Area North and East of Index
  • 4120 High Rock, Ben Howard and Mann Roads
  • 4121 Index and Surrounding Remote Areas
  • 4191 Skykomish River Basin
  • 4217 Woods Creek Area
  • 4218 Sultan / Goldbar
  • 4303 Rural Granite Falls
  • 4304 City of Granite Falls
  • 4307 Three Lakes Area
  • 4416 Monroe and Surrounding Area
  • 4505 North Granite Falls East of the Stilliguamish
  • 4506 Rural Grantie Falls West of the Stilliguamish
  • 4509 Lake Cassidy, Getchell, and Sisco Heights
  • 4601 Darrington School District
  • 4602 Remote Areas of Arlington
  • 4610 Arlington Heights
  • 4611 Jordan Rd

 

Residential Mass Appraisal Reports:

The residential division of the Snohomish County Assessor's Office is responsible for appraising a variety of property types including land, single family residences, manufactured homes and duplexes and triplexes in the residential neighborhoods.

The county uses a "mass appraisal" process to appraise the more than 235,000 residential properties each year. "Mass appraisal" is the processes of valuing large numbers of properties as of a given date, using standard methods, employing common data and allowing for statistical testing. Standard procedures are used to collect property data, analyze data, apply the results of the analysis and report the results. Computer programs apply market derived land rates by neighborhood and property type. Computer programs apply building costs and depreciation factors calibrated to local market conditions using sales data, by neighborhood, building style, grade of construction, and building condition.

Statistical methods are used in producing the appraised values and testing the appraisal results. Fairness and equity is maintained by comparing the appraised values to actual sales prices on a county wide basis, regional basis and neighborhood by neighborhood, a process known as a "ratio study".

Mass appraisal reports summarize the results of the "ratio studies". The reports include a summary of the change in value from year to year, ratio study statistics (level of assessment and measures of uniformity), market changes over time (graphic), a map of the study area, a value change summary abstract (change by property group), neighborhood profile statistics. Ratio performance statistics and histograms for all of the properties in the study area with a break out for the single family residences (the most predominate property type in the county) and in the neighborhood reports the sales used to produce the report are listed.