San Juan County property tax
Homeowners in San Juan County, Washington typically pay about 0.53% of their home's value in property tax each year — a median bill of $4,253 on a median home value of $799,200.
Typical effective rate
0.53%
higher than 81% of U.S. counties
Median tax paid
$4,253
per year
Median home value
$799,200
In WA
#39
of 39 ranked counties
At a glance
- Effective rate 0.53% — 43% lower than the U.S. median of 0.94%, and 34% lower than the Washington median of 0.81%.
- With vs. without a mortgage — median tax $3,993 for mortgaged homes, $4,552 for homes owned outright.
- State ranking — 39th highest effective rate of 39 ranked Washington counties; nationally it sits around the 19th percentile.
Estimate a bill for San Juan County
Apply this county's typical effective rate (0.53%) to a home value of your choice.
Frequently asked questions
What is the property tax rate in San Juan County, WA?
The typical effective property-tax rate in San Juan County is 0.53% of a home's value per year, based on median taxes paid ($4,253) divided by the median home value ($799,200) in the Census ACS 2020–2024 5-year estimates. This is a typical burden for comparison, not a statutory mill rate.
How much is property tax on a typical home in San Juan County?
The median owner-occupied home in San Juan County is valued at $799,200, and the median real estate tax paid is $4,253 per year. Homes with a mortgage have a median tax of $3,993, versus $4,552 for homes without one.
How does San Juan County compare to the rest of Washington?
San Juan County's effective rate is 34% lower than the Washington median, ranking 39th of 39 ranked counties in the state.
Compare nearby Washington counties
Counties ranked closest to San Juan County by in-state effective rate. Open the comparison tool or see all Washington counties.
| In-state | County | Effective rate | Median tax |
|---|---|---|---|
| 33 | Ferry County | 0.64% | $1,801 |
| 34 | Klickitat County | 0.62% | $2,639 |
| 35 | Wahkiakum County | 0.60% | $2,392 |
| 36 | Lincoln County | 0.60% | $1,744 |
| 37 | Stevens County | 0.59% | $2,065 |
| 38 | Pend Oreille County | 0.58% | $2,142 |
Official data & resources for San Juan County
- San Juan County Census profile (data.census.gov) — housing, value and tax figures for this county.
- Table B25103 for San Juan County — median real estate taxes paid (the source for the tax figures above).
- Table B25077 for San Juan County — median home value.
- Federal forms & is property tax deductible? — IRS Pub 530, Schedule A and the SALT cap, plus your state tax agency.
Finding your exact bill
Your county or municipal assessor (sometimes called the appraisal district, property appraiser, or tax collector) sets the assessed value and the exact millage that produces your bill. Search for "[county name] [state] assessor" or "property tax" on an official .gov site.
Figures on this page are Census survey medians for the whole county (2020–2024 5-year), not an assessment of any individual property. Rates, exemptions and assessment practices vary by municipality and school district within a county.