Coulee Dam, Okanogan County, Washington Property Taxes
Property Taxes in Coulee Dam, Washington
Median Coulee Dam, Washington effective property tax rate: 0.75%, 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: $183,800
Median annual Coulee Dam, Washington tax bill: $1,367, $1,033 lower than the national median property tax bill of $2,400.
How are property taxes in Okanogan 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
Coulee Dam, Okanogan County, Washington Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.75%
Estimate Property Tax Bill
$1,379
$1,279
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 0.75% — based on actual property records in Okanogan 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 Dam'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 Dam: rates range from 0.75% in 99116 to 0.75% in 99116, 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 Dam.
About Coulee Dam Property Taxes
About Property Taxes in Coulee Dam, Okanogan, Washington
Coulee Dam’s median effective property tax rate of 0.75% is lower than the Washington state median of 0.92% and lower than the national median of 1.02%. This rate reflects the Okanogan 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 the 99116 ZIP code carry a median effective rate of 0.75%, while those in 99116 pay 0.75%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Okanogan 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 the July 1, 2025 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 Coulee Dam, Okanogan 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
0.75%
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 Okanogan County Tax Rate
0.85%
Median Effective Washington Tax Rate
0.92%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Coulee Dam, Okanogan County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 99116 | 0.75% | 0.75% | 0.75% | 0.76% | 0.80% |
Source: Ownwell
Property Tax Assessment Values Across Coulee Dam, Okanogan 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 Okanogan 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 Okanogan County, assessment notices are sent in May 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. For example, the median home price in Coulee Dam is $183,800, with a median tax bill of $1,367. The highest median home price is in 99116 at $183,800.
Property Tax Assessment Values Across Coulee Dam, Okanogan County, Washington
Source: Ownwell
$27,200
$304,000
$580,800
Median Coulee Dam Market Value
$183,800
Median Okanogan County Market Value
$177,100
Median Washington Market Value
$501,600
Median United States Market Value
$235,294
Property Tax Assessment Values Across Coulee Dam, Okanogan County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 99116 | $72,260 | $122,650 | $183,800 | $246,700 | $299,140 |
Source: Ownwell
Property Tax Bills Across Coulee Dam, Okanogan County, Washington
Property tax bills in Coulee Dam are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value of the property. For homeowners, that means the bill is shaped by both what a home is worth and the tax rates set by local taxing authorities. With a median home price of $183,800, the typical property tax bill in the area is $1,367, which is below the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.
Several factors can affect the final amount, including property characteristics, location, and any changes in assessed value over time. Homes with higher assessed values generally face larger tax bills, while lower-valued homes may owe less. In Coulee Dam, property tax bills are relatively moderate, with the 25th percentile at $898 and the 75th percentile at $1,863. For homeowners, this can influence monthly housing costs and long-term affordability.
Median Coulee Dam Tax Bill
$1,367
Median Okanogan County Tax Bill
$1,530
Median Washington Tax Bill
$4,512
Median United States Tax Bill
$2,400
Property Tax Bills Across Coulee Dam, Okanogan County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 99116 | $402 | $898 | $1,367 | $1,863 | $2,322 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 1 |
Links | |
|---|---|
| Okanogan Tax Assessor | |
| Website | okanoganwa-taxsifter.publicaccessnow.com |