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Deming, Whatcom County, Washington Property Taxes

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Property Taxes in Deming, Washington

  • Median Deming, Washington effective property tax rate: 0.65%, significantly lower than the national median of 1.02%, and lower than the Washington state median of 0.92%.

  • Median Deming, Washington home value: $118,734

  • Median annual Deming, Washington tax bill: $729, lower than the national median property tax bill of $2,400.

How are property taxes in Whatcom calculated?

Property taxes in Deming, 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 Deming's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Deming, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Deming, Whatcom County, Washington Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.65%

Estimate Property Tax Bill

$772

$716

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Deming Property Tax Calculator Work?

Use this Deming property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Deming's median effective tax rate of 0.65% — based on actual property records in Whatcom 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 Deming'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 Deming: rates range from 0.65% in 98244 to 0.65% in 98244, primarily due to differences in school district levies and local assessment districts.

If your estimate is higher than expected, Ownwell can appeal your Deming assessment — you only pay if we save you money.

About Deming Property Taxes

About Property Taxes in Deming, Whatcom, Washington

Deming’s median effective property tax rate of 0.65% is lower than the Washington state median of 0.92% and lower than the national median of 1.02%. This rate reflects the Whatcom 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 Deming. Homeowners in the 98244 ZIP code carry a median effective rate of 0.65%, while those in the same ZIP code pay 0.65%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Whatcom County. Understanding which part of Deming you live in can make a meaningful difference to your annual tax bill.

Deming homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the October 27, 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 Deming, Whatcom 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 Deming's effective property tax rate to other cities in Washington and the median property tax rates in Washington and the U.S.

Property Tax Rates Across Deming, Whatcom County, Washington

Source: Ownwell

0.65%

0.77%

0.89%

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 Deming Tax Rate

0.65%

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 Whatcom County Tax Rate

0.77%

Median Effective Washington Tax Rate

0.92%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Deming, Whatcom County, Washington

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
982440.42%0.55%0.65%0.74%0.82%

Source: Ownwell

Property Tax Assessment Values Across Deming, Whatcom County, Washington

When examining property taxes in Deming, 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 Whatcom 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 Whatcom County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of September.

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 Deming.

For example, the median home price in Deming is $118,734, with tax bills ranging significantly across the county. 98244 has the highest median home price at $118,734.

Property Tax Assessment Values Across Deming, Whatcom County, Washington

Source: Ownwell

$101,250

$359,643

$618,036

Median Deming Market Value

$118,734

Median Whatcom County Market Value

$511,606

Median Washington Market Value

$501,600

Median United States Market Value

$235,294

Property Tax Assessment Values Across Deming, Whatcom County, Washington

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
98244$32,423$38,000$118,734$466,226$641,536

Source: Ownwell

Property Tax Bills Across Deming, Whatcom County, Washington

Property tax bills in Deming are based on the assessed value of a home and the local tax rate. When a property’s assessed value rises, the tax bill can increase even if the homeowner’s income does not. For homeowners in Whatcom County, that means the amount owed can vary widely from one property to another, depending on market value and local assessment practices.

In Deming, the median home price is $118,734, while tax bills range from $227 at the 25th percentile to $3,023 at the 75th percentile and $4,212 at the 90th percentile. The median tax bill is $729 in ZIP code 98244, which is far below the national median property tax bill of $2,400. That gap shows how much local assessments and rates can affect homeowners.

Ownwell helps homeowners lower property tax bills by reviewing assessments, identifying savings opportunities, and filing appeals when a home is overassessed.

Property Tax Bills Across Deming, Whatcom County, Washington

Source: Ownwell

$542

$2,782

$5,021

Median Deming Tax Bill

$729

Median Whatcom County Tax Bill

$3,775

Median Washington Tax Bill

$4,512

Median United States Tax Bill

$2,400

Property Tax Bills Across Deming, Whatcom County, Washington

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
98244$156$227$729$3,023$4,212

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Deming, Washington

How are property taxes calculated in Deming, Washington?
Property taxes in Deming, Washington are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.
How do I appeal my property taxes in Deming, Washington?
To appeal your property taxes in Deming, Washington, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.
What property tax exemptions are available in Deming, Washington?
Common property tax exemptions in Deming, Washington include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.
When are property taxes due in Deming, Washington?
Property tax deadlines in Deming, Washington vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.
How can Ownwell help reduce my property taxes in Deming, Washington?
Ownwell provides professional property tax appeal services in Deming, Washington. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.