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
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.
Our median effective property tax rate (tax bill Ă· 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 Ă· 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
1.27%
Property Tax Rates Across Lopez Island, San Juan County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 98261 | 0.49% | 0.59% | 0.60% | 0.61% | 0.62% |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
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
$274,101
Property Tax Assessment Values Across Lopez Island, San Juan County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 98261 | $315,752 | $512,915 | $804,730 | $1,248,720 | $1,831,998 |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
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
$3,209
Property Tax Bills Across Lopez Island, San Juan County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 98261 | $1,475 | $2,889 | $4,689 | $7,259 | $10,599 |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | October 8 |
| Tax Bill | |
| Issued | February 10 |
| Due Date #1 | April 30 |
| Due Date #2 | October 31 |
Links | |
|---|---|
| San Juan Tax Assessor | |
| Website | parcel.sanjuancountywa.gov |