Property Taxes in Coulee City, Washington
Median Coulee City, Washington effective property tax rate: 0.63%, significantly lower than the national median of 1.02%, and lower than the Washington state median of 0.92%.
Median Coulee City, Washington home value: $150,300
Median annual Coulee City, Washington tax bill: $805, lower than the national median property tax bill of $2,400.
How are property taxes in Douglas calculated?
Property taxes in Coulee City, 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 Coulee City's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Coulee City, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Coulee City Property Tax Calculator Work?
Use this Coulee City property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Coulee City's median effective tax rate of 0.63% — based on actual property records in Douglas County — to generate your estimate.
Enter your property's estimated assessed value — the figure used to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Coulee City'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 Coulee City: rates range from 0.63% in 99115 to 0.63% in 99115, 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 Coulee City.
About Coulee City Property Taxes
About Property Taxes in Coulee City, Douglas, Washington
Coulee City's median effective property tax rate of 0.63% is lower than the Washington state median of 0.92% and lower than the national median of 1.02%. This rate reflects the Douglas County base levy combined with local levies that can affect what homeowners pay.
Property tax rates are not uniform across Coulee City, but the available data shows the same median effective rate of 0.63% in ZIP code 99115. That means the local tax burden is consistent across the city in the data provided, even though assessed values can still vary from home to home.
Coulee City homeowners who believe their assessed value is too high can file a formal appeal with the Douglas County Tax Assessor before the July 1, 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 Coulee City, Douglas 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 Coulee City'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 Coulee City Tax Rate
0.63%
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 Douglas County Tax Rate
0.87%
Median Effective Washington Tax Rate
0.92%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Coulee City, Douglas County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 99115 | 0.63% | 0.63% | 0.63% | 0.65% | 0.70% |
Source: Ownwell
Property Tax Assessment Values Across Coulee City, Douglas County, Washington
When examining property taxes in Coulee City, 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 Douglas 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 Douglas County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of the month.
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. For example, the median home price in Coulee City is $150,300, with tax bills ranging significantly across the county. Zip code 99115 has the highest median home price at $150,300.
Property Tax Assessment Values Across Coulee City, Douglas County, Washington
Source: Ownwell
$16,800
$322,000
$627,200
Median Coulee City Market Value
$150,300
Median Douglas County Market Value
$361,800
Median Washington Market Value
$501,600
Median United States Market Value
$274,101
Property Tax Assessment Values Across Coulee City, Douglas County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 99115 | $60,770 | $100,325 | $150,300 | $247,050 | $369,300 |
Source: Ownwell
Property Tax Bills Across Coulee City, Douglas County, Washington
Coulee City property tax bills are calculated by applying local tax rates to a home’s assessed value, which is based on the market value of the property. The assessed value is then multiplied by the combined rates set by local taxing authorities, including the county and other local districts. For homeowners, this means the tax bill can change when property values rise or when tax rates are adjusted.
With a median home price of $150,300, property taxes in Coulee City are shaped by both the value of the home and the local levy structure. The median tax bill is $805.00, which is well below the national median property tax bill of $2,400 and far below the national median property tax rate of 1.02%. Tax bills can still vary widely, with the 25th percentile at $493 and the 90th percentile at $2,662.
For homeowners, higher assessed values usually mean higher taxes, even if the home has not been sold.
Median Coulee City Tax Bill
$805
Median Douglas County Tax Bill
$3,166
Median Washington Tax Bill
$4,512
Median United States Tax Bill
$3,209
Property Tax Bills Across Coulee City, Douglas County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 99115 | $259 | $493 | $805 | $1,567 | $2,662 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 1 |
| Tax Bill | |
| Issued | February 10 |
| Due Date #1 | April 30 |
| Due Date #2 | October 31 |
Links | |
|---|---|
| Douglas Tax Assessor | |
| Website | douglaswa-taxsifter.publicaccessnow.com |