San Juan County, Washington Property Taxes
Median San Juan County effective property tax rate: 0.62%, significantly lower than the national median of 1.02%.
Median San Juan County home value: $691,520
Median annual San Juan County tax bill: $4,068, $1,668 higher than the national median property tax bill of $2,400.
How are property taxes in San Juan County calculated?
Property taxes in San Juan County are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Friday Harbor or another part of San Juan County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
San Juan County, Washington Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.62%
Estimate Property Tax Bill
$4,287
$3,979
$1,102
Average Tax Savings
Ownwell’s San Juan County Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in San Juan County with just two data points.
By entering your property's estimated assessed value, our calculator applies San Juan County’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a more precise calculation for your property tax obligations.
This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in San Juan County.
For those interested in more localized information, please scroll down to explore city-level trends!
Property Tax Rates Across San Juan County, Washington
Local government entities set tax rates, which can vary widely within a state. This is because each county annually estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction, resulting in the property tax rate. While votes and laws play a role in setting tax rates and budgets, this is the annual process in a nutshell.
In San Juan County, Washington, the effective property tax rate is 0.62%, which is significantly lower than the national median property tax rate of 1.02%. This lower rate reflects the county's budgetary needs and the total value of its taxable properties. Within the county, Lopez Island has the highest median tax rate at 0.64%, while Shaw Island boasts the lowest at 0.40%. These variations highlight the diverse fiscal landscapes even within a single county.
Comparing San Juan County's effective property tax rate to other counties in Washington or the U.S. median property tax rate can provide valuable insights into regional tax differences and their implications for property owners.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective San Juan County Tax Rate
0.62%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Washington Tax Rate
0.88%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across San Juan County, Washington
City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Anacortes | 0.44% | 0.44% | 0.45% | 0.46% | 0.49% |
Bell Island | N/A | N/A | N/A | N/A | N/A |
Blakely Island | 0.45% | 0.45% | 0.45% | 0.46% | 0.47% |
Center Island | 0.45% | 0.45% | 0.47% | 0.49% | 0.50% |
Crane Island | N/A | N/A | N/A | N/A | N/A |
Decatur Island | 0.39% | 0.44% | 0.45% | 0.46% | 0.47% |
Deer Harbor | 0.59% | 0.59% | 0.60% | 0.60% | 0.61% |
Eastsound | 0.58% | 0.59% | 0.60% | 0.61% | 0.63% |
Friday Harbor | 0.56% | 0.62% | 0.63% | 0.63% | 0.64% |
Henry Island | N/A | N/A | N/A | N/A | N/A |
Lopez Island | 0.51% | 0.63% | 0.64% | 0.65% | 0.67% |
Mercer Island | N/A | N/A | N/A | N/A | N/A |
Obstruction Island | 0.45% | 0.45% | 0.46% | 0.46% | 0.46% |
Olga | 0.59% | 0.59% | 0.60% | 0.62% | 0.63% |
Orcas | 0.58% | 0.59% | 0.60% | 0.61% | 0.62% |
Orcas Island | 0.57% | 0.59% | 0.60% | 0.61% | 0.62% |
San Juan Island | 0.62% | 0.62% | 0.62% | 0.63% | 0.65% |
Seattle | N/A | N/A | N/A | N/A | N/A |
Shaw Island | 0.39% | 0.40% | 0.40% | 0.41% | 0.42% |
Stuart Island | N/A | N/A | N/A | N/A | N/A |
Trump Island | N/A | N/A | N/A | N/A | N/A |
Waldron | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
$1,102
Average San Juan County Tax Savings
Save on your property taxes & more with Ownwell
Property Tax Assessment Values Across San Juan County, Washington
Property Tax Assessment Values Across San Juan County, Washington
Source: Ownwell

$496,770
$807,395
$1,118,020
Median San Juan County Market Value
$691,520
Median Washington Market Value
$482,000
Median United States Market Value
$235,294
Property Tax Assessment Values Across San Juan County, Washington
City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Anacortes | $170,354 | $313,345 | $496,770 | $919,455 | $1,277,303 |
Bell Island | N/A | N/A | N/A | N/A | N/A |
Blakely Island | $406,654 | $504,330 | $709,250 | $968,330 | $1,402,090 |
Center Island | $143,236 | $163,250 | $204,330 | $397,890 | $641,172 |
Crane Island | N/A | N/A | N/A | N/A | N/A |
Decatur Island | $214,531 | $333,780 | $671,960 | $778,688 | $833,517 |
Deer Harbor | $515,120 | $749,285 | $1,118,020 | $1,933,202 | $2,781,575 |
Eastsound | $261,206 | $464,450 | $705,165 | $1,031,025 | $1,666,656 |
Friday Harbor | $266,819 | $447,332 | $676,415 | $1,112,140 | $1,838,297 |
Henry Island | N/A | N/A | N/A | N/A | N/A |
Lopez Island | $279,206 | $451,990 | $683,810 | $1,051,580 | $1,541,380 |
Mercer Island | N/A | N/A | N/A | N/A | N/A |
Obstruction Island | $452,160 | $520,230 | $611,270 | $803,000 | $902,420 |
Olga | $312,500 | $471,692 | $721,815 | $1,248,790 | $1,894,605 |
Orcas | $414,281 | $619,582 | $969,770 | $1,699,835 | $3,092,793 |
Orcas Island | $273,290 | $491,810 | $838,120 | $1,306,900 | $1,730,400 |
San Juan Island | $301,923 | $360,652 | $785,255 | $1,139,622 | $2,135,335 |
Seattle | N/A | N/A | N/A | N/A | N/A |
Shaw Island | $354,762 | $550,240 | $867,870 | $1,492,520 | $2,488,576 |
Stuart Island | N/A | N/A | N/A | N/A | N/A |
Trump Island | N/A | N/A | N/A | N/A | N/A |
Waldron | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
$1,102
Average San Juan County Tax Savings
Save on your property taxes & more with Ownwell
Property Tax Bills Across San Juan County, Washington
Median San Juan County Tax Bill
$4,068
Median Washington Tax Bill
$4,284
Median United States Tax Bill
$2,400
Property Tax Bills Across San Juan County, Washington
City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Anacortes | $678 | $1,338 | $2,218 | $3,946 | $5,611 |
Bell Island | N/A | N/A | N/A | N/A | N/A |
Blakely Island | $1,816 | $2,311 | $3,199 | $4,296 | $6,227 |
Center Island | $596 | $731 | $898 | $1,652 | $2,813 |
Crane Island | N/A | N/A | N/A | N/A | N/A |
Decatur Island | $781 | $1,106 | $2,401 | $3,414 | $3,549 |
Deer Harbor | $2,842 | $4,292 | $6,581 | $10,882 | $15,895 |
Eastsound | $1,172 | $2,449 | $4,035 | $5,974 | $9,669 |
Friday Harbor | $1,244 | $2,576 | $4,107 | $6,742 | $11,143 |
Henry Island | N/A | N/A | N/A | N/A | N/A |
Lopez Island | $1,384 | $2,693 | $4,268 | $6,606 | $9,602 |
Mercer Island | N/A | N/A | N/A | N/A | N/A |
Obstruction Island | $2,091 | $2,411 | $2,789 | $3,629 | $4,070 |
Olga | $1,533 | $2,721 | $4,219 | $7,415 | $11,128 |
Orcas | $2,025 | $3,624 | $5,776 | $9,964 | $17,344 |
Orcas Island | $1,493 | $2,638 | $4,807 | $7,727 | $9,916 |
San Juan Island | $1,925 | $2,332 | $4,317 | $7,102 | $13,269 |
Seattle | N/A | N/A | N/A | N/A | N/A |
Shaw Island | $1,362 | $2,091 | $3,503 | $5,849 | $9,723 |
Stuart Island | N/A | N/A | N/A | N/A | N/A |
Trump Island | N/A | N/A | N/A | N/A | N/A |
Waldron | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
$1,102
Average San Juan County Tax Savings
Save on your property taxes & more with Ownwell
Want to lower your San Juan County property taxes?
Property Tax Appeals in Washington
In San Juan County, WA, homeowners who believe their property tax assessments are inaccurate have the right to appeal. The appeal process begins with filing a petition with the San Juan County Board of Equalization. Homeowners must submit their petitions by the deadline stated on their assessment notice, typically within 60 days of the notice date. The petition should include evidence supporting the claim that the assessed value is incorrect, such as recent sales of comparable properties, an independent appraisal, or evidence of property defects.
Once the petition is filed, the Board of Equalization reviews the evidence presented. The board may schedule a hearing where homeowners can present their case in person or through a representative. During the hearing, both the homeowner and the county assessor's office can present evidence and arguments. The board then makes a decision based on the evidence provided.
Potential outcomes of the appeal process include a reduction, increase, or no change in the property's assessed value. If the board decides in favor of the homeowner, this could result in a lower property tax bill. Conversely, if the board finds the assessment to be accurate or understated, the assessed value may remain the same or increase.
Ownwell can assist homeowners in navigating this process by providing expert guidance and support. Our team of professionals can help gather and present compelling evidence, ensuring the strongest possible case for a reduction in assessed value. By working with Ownwell, homeowners can maximize their chances of a successful appeal and potentially reduce their property tax burden.
Exemptions in Washington
San Juan County in Washington offers several property tax exemption programs designed to ease the financial burden on homeowners, with a particular focus on primary residences. The Senior Citizen and Disabled Persons Exemption is available to those aged 61 or older, or individuals with disabilities, who meet specific income requirements. This exemption can significantly reduce the assessed value of a primary residence, thereby lowering the property tax bill.
Another valuable program is the Home Improvement Exemption, which allows homeowners to make improvements to their primary residence without immediately increasing their property tax. This exemption can be a boon for those looking to enhance their living space without facing a sudden spike in taxes.
Additionally, the Designated Forest Land Program offers tax relief for properties used for timber production, provided they meet certain criteria. Though not directly related to primary residences, this can be beneficial for landowners with forested areas on their property.
Homeowners in San Juan County can apply for these exemptions through the local assessor’s office, typically requiring documentation to prove eligibility. Ownwell can assist homeowners in navigating these programs, ensuring they maximize their savings. By providing expert guidance and support, Ownwell helps clients understand their eligibility and complete the application process efficiently, making property tax relief more accessible.
Available Exemptions
Senior
Disabled
Veteran
Non-Profit
Don't miss the deadline to appeal!
Dates | |
---|---|
Appeal Deadline | December 1 |
Tax Bill | |
Issued | February 10 |
Due Date #1 | April 30 |
Due Date #2 | October 31 |
Links | |
---|---|
San Juan Tax Assessor | |
Website | parcel.sanjuanco.com |
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