Home
/US Property Taxes
/Washington
/San Juan County
/Lopez Island

Lopez Island, San Juan County, Washington Property Taxes

$774 avg. annual savings
No Upfront Costs
You only pay if we save

Property Taxes in Lopez Island, Washington

  • Median Lopez Island, Washington effective property tax rate: 0.60%, significantly lower than the national median of 1.02%, and lower than the Washington state median of 0.92%.

  • Median Lopez Island, Washington home value: $804,730

  • Median annual Lopez Island, Washington tax bill: $4,689, $2,289 higher than the national median property tax bill of $2,400.

How are property taxes in San Juan calculated?

Property taxes in Lopez Island, Washington 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 Lopez Island's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Lopez Island, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Lopez Island, San Juan County, Washington Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.6%

Estimate Property Tax Bill

$4,828

$4,481

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Lopez Island Property Tax Calculator Work?

Use this Lopez Island property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Lopez Island's median effective tax rate of 0.60% — based on actual property records in San Juan County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local assessment district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Lopez Island's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Your bill may vary by ZIP code within Lopez Island: rates range from 0.60% in 98261 to 0.60% in 98261, primarily due to differences in school district levies and local assessment districts. Lopez Island's median property tax rate is lower than the 0.92% Washington median, but the median tax bill of $4,689 is higher than the national median property tax bill of $2,400 and $2,289 higher than the Washington median tax bill.

If your estimate is higher than expected, Ownwell can appeal your Lopez Island assessment — you only pay if we save you money.

About Lopez Island Property Taxes

About Property Taxes in Lopez Island, San Juan, Washington

Lopez Island’s median effective property tax rate of 0.60% is lower than the Washington state median of 0.92% and lower than the national median of 1.02%. This rate reflects the San Juan County base levy combined with local school district levies and local improvement districts that can vary by subdivision throughout the island.

Property tax rates are not uniform across Lopez Island. Homeowners in ZIP code 98261 carry a median effective rate of 0.60%, and the same ZIP code also reflects the island’s median home price of $804,730 and median tax bill of $4,689. Understanding how assessed value, school district boundaries, and local districts affect your property can make a meaningful difference to your annual tax bill.

Lopez Island homeowners who believe their assessed value is too high can file a formal appeal with the San Juan County Tax Assessor before the November 5, 2026 deadline each year. If your estimated bill seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Lopez Island, San Juan County, Washington

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.

While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.

Below, you can compare Lopez Island's effective property tax rate to other cities in Washington and the median property tax rates in Washington and the U.S.

Property Tax Rates Across Lopez Island, San Juan County, Washington

Source: Ownwell

0.38%

0.49%

0.60%

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 Lopez Island Tax Rate

0.60%

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

0.57%

Median Effective Washington Tax Rate

0.92%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Lopez Island, San Juan County, Washington

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
982610.49%0.59%0.60%0.61%0.62%

Source: Ownwell

Property Tax Assessment Values Across Lopez Island, San Juan County, Washington

When examining property taxes in Lopez Island, Washington, understanding the distinction between "market value" and "assessed value" is crucial.

The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The San Juan County appraisal district estimates the market value for tax purposes.

The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.

Assessment notices:

In San Juan County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of October.

Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Lopez Island.

For example, the median home price in Lopez Island is $804,730, with tax bills ranging significantly across the county. 98261 has the highest median home price at $804,730.

Property Tax Assessment Values Across Lopez Island, San Juan County, Washington

Source: Ownwell

$324,480

$776,078

$1,227,675

Median Lopez Island Market Value

$804,730

Median San Juan County Market Value

$798,910

Median Washington Market Value

$501,600

Median United States Market Value

$235,294

Property Tax Assessment Values Across Lopez Island, San Juan County, Washington

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
98261$315,752$512,915$804,730$1,248,720$1,831,998

Source: Ownwell

Property Tax Bills Across Lopez Island, San Juan County, Washington

Property tax bills in Lopez Island are calculated based on the assessed market value of a home and the local tax rate set for San Juan County. When a home’s assessed value rises, the property tax bill can increase as well, even if the homeowner’s income does not change. For Lopez Island homeowners, the median home price is $804,730, and the median property tax bill is $4,689, which is above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%. That means property taxes can be a significant part of homeownership costs in this area.

Ownwell helps homeowners save by reviewing assessments, identifying opportunities for appeals, and helping secure exemptions when available. If your home has been overassessed, Ownwell can work to lower your property tax bill and reduce what you pay each year.

Property Tax Bills Across Lopez Island, San Juan County, Washington

Source: Ownwell

$1,236

$3,903

$6,570

Median Lopez Island Tax Bill

$4,689

Median San Juan County Tax Bill

$4,329

Median Washington Tax Bill

$4,512

Median United States Tax Bill

$2,400

Property Tax Bills Across Lopez Island, San Juan County, Washington

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
98261$1,475$2,889$4,689$7,259$10,599

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Lopez Island, Washington

How are property taxes calculated in Lopez Island, Washington?
Property taxes in Lopez Island, Washington are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.
How do I appeal my property taxes in Lopez Island, Washington?
To appeal your property taxes in Lopez Island, Washington, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.
What property tax exemptions are available in Lopez Island, Washington?
Common property tax exemptions in Lopez Island, Washington include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.
When are property taxes due in Lopez Island, Washington?
Property tax deadlines in Lopez Island, Washington vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.
How can Ownwell help reduce my property taxes in Lopez Island, Washington?
Ownwell provides professional property tax appeal services in Lopez Island, Washington. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.