Moses Lake, Grant County, Washington Property Taxes
Median Moses Lake, WA effective property tax rate: 1.24%, significantly higher than the national median of 1.02%, but lower than the Washington state median of 0.88%. Median Moses Lake, WA home value: $177,348. Median annual Moses Lake, WA tax bill: $2,210, $190 lower than the national median property tax bill of $2,400.
How are property taxes in Grant County calculated?
Property taxes in Moses Lake, WA 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 Moses Lake’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Moses Lake, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Moses Lake, Grant County, Washington Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.24%
Estimate Property Tax Bill
$2,199
$2,041
Property Tax Rates Across Moses Lake, Grant County, Washington
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 Moses Lake Tax Rate
1.24%
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 Grant County Tax Rate
1.20%
Median Effective Washington Tax Rate
0.88%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Moses Lake, Grant County, Washington
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
98837 | 0.98% | 1.14% | 1.24% | 1.34% | 1.63% |
Source: Ownwell
Property Tax Assessment Values Across Moses Lake, Grant County, Washington
When examining property taxes in Moses Lake, WA, 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 Grant County Assessor's Office 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 Grant County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. 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 Moses Lake. For example, the median home price in Moses Lake is $177,348, with tax bills ranging significantly across the county. 98837 has the highest median home price at $177,348.
Property Tax Assessment Values Across Moses Lake, Grant County, Washington
Source: Ownwell

$24,000
$111,233
$198,465
Median Moses Lake Market Value
$177,348
Median Grant County Market Value
$135,922
Median Washington Market Value
$482,000
Median United States Market Value
$235,294
Property Tax Assessment Values Across Moses Lake, Grant County, Washington
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
98837 | $20,000 | $97,429 | $177,348 | $265,429 | $365,072 |
Source: Ownwell
Property Tax Bills Across Moses Lake, Grant County, Washington
Median Moses Lake Tax Bill
$2,210
Median Grant County Tax Bill
$1,560
Median Washington Tax Bill
$4,284
Median United States Tax Bill
$2,400
Property Tax Bills Across Moses Lake, Grant County, Washington
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
98837 | $262 | $1,053 | $2,210 | $3,179 | $4,337 |
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 | |
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Grant Tax Assessor | |
Website | grantwa-taxsifter.publicaccessnow.com |