Property Taxes in Coulee Dam, Washington
Median Coulee Dam, Washington effective property tax rate: 0.73%, significantly lower than the national median of 1.02%, and lower than the Washington state median of 0.92%.
Median Coulee Dam, Washington home value: $196,000
Median annual Coulee Dam, Washington tax bill: $1,398, $1,002 lower than the national median property tax bill of $2,400.
How are property taxes in Douglas calculated?
Property taxes in Coulee Dam, 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 Dam's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Coulee Dam, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Coulee Dam Property Tax Calculator Work?
Use this Coulee Dam property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Coulee Dam's median effective tax rate of 0.73% — based on actual property records in Douglas County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local appraisal 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 Coulee Dam's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Coulee Dam's property tax rate is lower than Washington's 0.92% median rate, and the $1,398 median property tax bill is lower than the national median property tax bill of $2,400. Your bill may vary by ZIP code within Coulee Dam, with the highest and lowest median tax bill both at $1,398 in 99116.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Coulee Dam.
About Coulee Dam Property Taxes
About Property Taxes in Coulee Dam, Douglas, WA
Coulee Dam's median effective property tax rate of 0.73% 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 school district levies and Local improvement districts (LIDs) that vary by subdivision throughout the city.
Property tax rates are not uniform across Coulee Dam. Homeowners in ZIP code 99116 carry a median effective rate of 0.73%, while those in the same ZIP also pay 0.73%. This reflects how school district boundaries and local assessment districts are drawn across Douglas County. Understanding which part of Coulee Dam you live in can make a meaningful difference to your annual tax bill.
Coulee Dam homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before July 1, 2026.
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 Coulee Dam, 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 Dam'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 Coulee Dam Tax Rate
0.73%
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 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 Dam, Douglas County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 99116 | 0.73% | 0.73% | 0.73% | 0.73% | 0.73% |
Source: Ownwell
Property Tax Assessment Values Across Coulee Dam, Douglas County, Washington
When examining property taxes in Coulee Dam, 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 assessor 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 when notices are sent.
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 Coulee Dam.
For example, the median home price in Coulee Dam is $196,000, with tax bills ranging significantly across the county. 99116 has the highest median home price at $196,000.
Property Tax Assessment Values Across Coulee Dam, Douglas County, Washington
Source: Ownwell
$16,800
$322,000
$627,200
Median Coulee Dam Market Value
$196,000
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 Dam, Douglas County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 99116 | $144,160 | $160,550 | $196,000 | $242,000 | $338,560 |
Source: Ownwell
Property Tax Bills Across Coulee Dam, Douglas County, Washington
Property tax bills in Coulee Dam are based on the assessed value of a home and the local tax rate set for Douglas County. When a property is assessed at a higher value, the tax bill generally rises, while a lower assessed value can reduce what a homeowner owes. The bill is determined by multiplying the assessed value by the applicable tax rate, then adjusting for local levies and exemptions that may apply.
For homeowners, this means the amount due can change as market conditions shift and assessments are updated. In Coulee Dam, the median home price is $196,000, and the median property tax bill is $1,398. That is below the national median property tax bill of $2,400 and below the national median property tax rate of 1.02%.
Because property taxes are tied to assessed value, homeowners should review their assessment carefully to make sure it reflects their home fairly.
Median Coulee Dam Tax Bill
$1,398
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 Dam, Douglas County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 99116 | $996 | $1,156 | $1,398 | $1,748 | $2,462 |
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 |