Skip to main content

This site shows advertising. Ads never change our rankings or advice. How we make money

San Juan County, Washington: property tax rate, home values and income

Effective property tax rate

0.57%

39th highest of 39 counties in Washington

Median home value

$726,500

2nd highest in Washington

Median household income

$83,682

11th highest in Washington

Population

18,266

Census ACS 2023

Sources: US Census Bureau, American Community Survey 5-year estimates · Updated 11/03/2026

In San Juan County, Washington the effective property tax rate is 0.57%. The median homeowner pays $4,131 a year in real estate taxes on a home with a median value of $726,500. That rate is the 39th highest of the 39 Washington counties with published data, and the 2424th highest of 3,132 counties in the United States.

Property tax in San Juan County

The effective rate is the median real estate tax paid divided by the median home value. The Washington statewide average is 0.84%, so San Juan County is below it. Applying this county's rate to other home prices gives a rough idea of the yearly bill; actual bills depend on the school district, exemptions and the assessed value.

Home valueEstimated tax per yearPer month
$200,000$1,140$95
$300,000$1,710$143
$400,000$2,280$190
$500,000$2,850$238
$726,500 (county median)$4,130$344

Home values and incomes

The median home value is $726,500 (2nd highest in Washington, 33rd highest nationally) and the median household income is $83,682. Homes cost about 8.7 times a typical household's yearly income. Median gross rent is $1,413 a month. 77.8% of occupied homes are owner-occupied. Homeowners with a mortgage pay a median of $1,329 a year for insurance. For comparison, the Washington statewide median home value is $587,533.

Counties near San Juan County in the Washington property tax ranking

CountyEffective rateMedian home value
Garfield County0.61%$214,200
Lincoln County0.60%$272,300
Wahkiakum County0.60%$344,500
San Juan County0.57%$726,500

Frequently asked questions

What is the property tax rate in San Juan County, Washington?

The effective property tax rate is 0.57% of home value per year, the 39th highest of 39 counties in Washington (Census ACS 2023 5-year estimates).

How much is property tax on a $300,000 home in San Juan County?

At the county's effective rate of 0.57%, about $1,710 a year (roughly $143 a month). Your actual bill depends on the assessed value, your school district and exemptions.

What is the median home value in San Juan County?

The median home value is $726,500 (Census ACS 2023 5-year estimates, owner-occupied homes).

What is the median household income in San Juan County?

The median household income is $83,682 (Census ACS 2023 5-year estimates).