Search recent sales by neighborhood, property type, and price, or view sales on the county map.
Sales Files Used in Statistical Analysis
Revaluation and Inspection Cycle
We update values every year using sales from the prior year. We also physically inspect every property at least once every six years (RCW 84.41.041). Inspections move through the county one area per year, following school district boundaries, as shown in the Cycle and Inspection Year columns below.
Next inspection: Mount Vernon School District, inspected in 2027 for 2028 taxes.
| Location/Sales Date Range | Cycle | Inspection Year | 2026-2027 | 2025-2026 | 2024-2025 | 2023-2024 | 2022-2023 | 2021-2022 |
|---|---|---|---|---|---|---|---|---|
| Burlington-Edison School District | 1 | 2022-’23 | ||||||
| La Conner/Conway School Districts | 2 | 2023-’24 | ||||||
| Anacortes School District | 3 | 2024-’25 | ||||||
| Sedro-Woolley School District | 4 | 2025-’26 | ||||||
| Concrete/Darrington School Districts | 5 | 2026-’27 | ||||||
| Mount Vernon School District | 6 | 2021-’22 | ||||||
| All-County Commercial/Industrial | All | Same as above |
Resources
Our annual study of whether lower and higher value homes are assessed at the same level relative to market value, measured with IAAO statistics.
2026 Vertical Equity Report (PDF)
The Washington State Department of Revenue independently measures how accurately each county assesses property and publishes statewide comparisons.
Measuring Real Property Appraisal Performance, Comparison of County Assessor Statistics
The International Association of Assessing Officers sets the professional standards used to judge whether assessments are accurate and uniform.
Standard on Ratio Studies
