Property Taxes in Grand Coulee, Washington
Median Grand Coulee, Washington effective property tax rate: 0.50%, significantly lower than the national median of 1.02%, and lower than the Washington state median of 0.92%.
Median Grand Coulee, Washington home value: $182,110
Median annual Grand Coulee, Washington tax bill: $773, lower by $1,627 than the national median property tax bill of $2,400.
How are property taxes in Lincoln calculated?
Property taxes in Grand Coulee, 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 Grand Coulee's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Grand Coulee, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Grand Coulee Property Tax Calculator Work?
Use this Grand Coulee property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Grand Coulee's median effective tax rate of 0.50% — based on actual property records in Lincoln County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessor uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Grand Coulee'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 Grand Coulee: rates range from 0.50% in 99133 to 0.50% in 99133, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Grand Coulee.
About Grand Coulee Property Taxes
About Property Taxes in Grand Coulee, Lincoln, Washington
Grand Coulee’s median effective property tax rate of 0.50% is lower than the Washington state median of 0.92% and lower than the national median of 1.02%. This rate reflects the Lincoln County base levy combined with local school district levies and Local improvement districts (LIDs) that vary by subdivision throughout the city.
Property tax rates are not uniform across Grand Coulee. Homeowners in the 99133 ZIP code carry a median effective rate of 0.50%, while those in 99133 pay 0.50%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Lincoln County. Understanding which part of Grand Coulee you live in can make a meaningful difference to your annual tax bill.
Grand Coulee homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the July 1, 2026 deadline each year.
If your estimated bill above 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 Grand Coulee, Lincoln 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 Grand Coulee'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 ÷ 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 Grand Coulee Tax Rate
0.50%
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 Lincoln County Tax Rate
0.87%
Median Effective Washington Tax Rate
0.92%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Grand Coulee, Lincoln County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 99133 | 0.23% | 0.39% | 0.50% | 0.62% | 0.79% |
Source: Ownwell
Property Tax Assessment Values Across Grand Coulee, Lincoln County, Washington
When examining property taxes in Grand Coulee, 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 Lincoln 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 Lincoln County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.
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 Grand Coulee.
For example, the median home price in Grand Coulee is $182,110, with tax bills ranging significantly across the county. 99133 has the highest median home price at $182,110.
Property Tax Assessment Values Across Grand Coulee, Lincoln County, Washington
Source: Ownwell
$74,860
$141,988
$209,115
Median Grand Coulee Market Value
$182,110
Median Lincoln County Market Value
$93,780
Median Washington Market Value
$501,600
Median United States Market Value
$274,101
Property Tax Assessment Values Across Grand Coulee, Lincoln County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 99133 | $31,186 | $64,580 | $182,110 | $432,590 | $562,170 |
Source: Ownwell
Property Tax Bills Across Grand Coulee, Lincoln County, Washington
Grand Coulee property tax bills are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value of the property. The bill depends on several factors, including the home’s value, local levies, and any exemptions or special assessments that may apply. For homeowners, this means two similar homes can have different tax bills if their assessed values or tax rates differ.
In Grand Coulee, the median home price is $182,110, and property tax bills can vary widely. The 25th percentile tax bill is $302, while the 75th percentile tax bill is $2,173 and the 90th percentile tax bill is $2,949. The highest and lowest median tax bill is $773 in ZIP code 99133. Compared with the national median property tax rate of 1.02% and the national median property tax bill of $2,400, local homeowners may see bills that are lower or higher depending on their assessed value and the tax rates in place.
Median Grand Coulee Tax Bill
$773
Median Lincoln County Tax Bill
$662
Median Washington Tax Bill
$4,512
Median United States Tax Bill
$3,209
Property Tax Bills Across Grand Coulee, Lincoln County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 99133 | $123 | $302 | $773 | $2,173 | $2,949 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 1 |
Links | |
|---|---|
| Lincoln Tax Assessor | |
| Website | lincolnwa-taxsifter.publicaccessnow.com |