Thurston County, Washington Property Taxes
Property Taxes in Thurston County, Washington
Median Thurston County effective property tax rate: 0.93%, significantly lower than the national median of 1.02%.
Median Thurston County home value: $459,800
Median annual Thurston County tax bill: $4,232, higher than the national median property tax bill of $2,400.
How are property taxes in Thurston County calculated?
Property taxes in Thurston County 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 Thurston County's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Thurston County or another part of Thurston County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Thurston County, Washington Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.93%
Estimate Property Tax Bill
$4,276
$3,968
$774
Average Annual Tax Savings
How Does the Thurston County Property Tax Calculator Work?
Use this Thurston County property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Thurston County's median effective tax rate of 0.93% — drawn from real transactions across the county — to generate your estimate.
Enter your property's estimated assessed value — the value used for property tax purposes and typically lower than market value after exemptions. Our calculator uses the median effective rate (actual bills divided by market value), which accounts for typical exemptions and is more accurate than applying the statutory millage rate directly.
Note: your assessed value reflects any exemptions you currently have. Thurston County's median property tax bill is $4,232, which is higher than Washington's median tax rate of 0.92% but lower than the national median property tax rate of 1.02%. Rates vary across Thurston County — Olympia has the highest median tax bill at $4,702, while Bucoda has the lowest at $1,697.
If your estimate is higher than expected, Ownwell can protest your Thurston County assessment.
Property Tax Rates Across Thurston County, Washington
What Are Effective Property Tax Rates Across Thurston County?
Local government entities set tax rates, which vary widely across Thurston County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.
Below, compare Thurston County's effective property tax rate to other counties in Washington or the U.S. median of 1.02%.
Thurston County's median effective rate stands at 0.93%, which is lower than the national median of 1.02%. Within Thurston County, the highest rate is found in Olympia at 0.96%, while Bucoda has the lowest at 0.74%.
These variations reflect differences in local school district levies, Local improvement districts (LIDs) assessments, and special district bonds — which compound the base county rate.
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 Thurston County Tax Rate
0.93%
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 Washington Tax Rate
0.92%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Thurston County, Washington
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Bucoda | 0.14% | 0.67% | 0.74% | 0.78% | 0.81% |
| Centralia | 0.47% | 0.63% | 0.78% | 0.82% | 0.85% |
| Lacey | 0.82% | 0.90% | 0.91% | 0.94% | 0.97% |
| Olympia | 0.72% | 0.91% | 0.96% | 1.01% | 1.05% |
| Rainier | 0.30% | 0.82% | 0.87% | 0.90% | 0.95% |
| Rochester | 0.53% | 0.78% | 0.82% | 0.83% | 0.88% |
| Tenino | 0.64% | 0.83% | 0.88% | 0.91% | 0.95% |
| Tumwater | 0.75% | 0.92% | 0.95% | 0.98% | 1.01% |
| Yelm | 0.54% | 0.85% | 0.90% | 0.94% | 0.97% |
| East Olympia | N/A | N/A | N/A | N/A | N/A |
| Littlerock | N/A | N/A | N/A | N/A | N/A |
| Mineral | N/A | N/A | N/A | N/A | N/A |
| Thurston County | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Property Tax Assessment Values Across Thurston County, Washington
When examining property taxes in Thurston County, 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 Thurston 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 Thurston County, assessment notices are sent in the fall each year. They'll typically reach your mailbox by the middle of October.
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 Thurston County.
For example, the median tax bill in Thurston County is $4,232, which is above the national median property tax bill of $2,400. Tax bills range significantly across the county, from $1,697 in Bucoda to $4,702 in Olympia. Olympia also has the highest median home price at $494,900.
Property Tax Assessment Values Across Thurston County, Washington
Source: Ownwell
$234,800
$384,325
$533,850
Median Thurston County Market Value
$459,800
Median Washington Market Value
$501,600
Median United States Market Value
$235,294
Property Tax Assessment Values Across Thurston County, Washington
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Bucoda | $108,620 | $184,600 | $234,800 | $298,400 | $406,120 |
| Centralia | $5,700 | $143,500 | $338,500 | $466,800 | $622,820 |
| Lacey | $311,630 | $386,175 | $442,900 | $511,700 | $598,500 |
| Olympia | $261,400 | $387,700 | $494,900 | $634,700 | $839,500 |
| Rainier | $154,260 | $305,200 | $416,600 | $541,700 | $715,980 |
| Rochester | $96,540 | $271,150 | $391,800 | $509,050 | $643,900 |
| Tenino | $146,180 | $274,675 | $421,800 | $564,650 | $736,700 |
| Tumwater | $225,100 | $362,400 | $445,100 | $542,625 | $652,260 |
| Yelm | $185,780 | $316,500 | $405,400 | $509,550 | $655,740 |
| East Olympia | N/A | N/A | N/A | N/A | N/A |
| Littlerock | N/A | N/A | N/A | N/A | N/A |
| Mineral | N/A | N/A | N/A | N/A | N/A |
| Thurston County | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Property Tax Bills Across Thurston County, Washington
Property tax bills in Thurston County are based on a home’s assessed market value and the local tax rates set by taxing authorities. When a property’s assessed value rises, the tax bill can increase even if the homeowner’s income does not change. For a county with a median home price of $459,800, the bill can vary widely depending on location and the specific levies applied to the property. In Thurston County, the 25th percentile tax bill is $3,143, while the 75th percentile is $5,421 and the 90th percentile is $7,074. That means many homeowners pay more than the national median property tax bill of $2,400.
The highest median tax bill is in Olympia at $4,702, while Bucoda has the lowest median tax bill at $1,697. Ownwell helps homeowners lower property tax bills by reviewing assessments, identifying opportunities for savings, and filing appeals when a home is overassessed.
Median Thurston County Tax Bill
$4,232
Median Washington Tax Bill
$4,512
Median United States Tax Bill
$2,400
Property Tax Bills Across Thurston County, Washington
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Bucoda | $276 | $999 | $1,697 | $2,213 | $3,317 |
| Centralia | $36 | $590 | $2,635 | $3,686 | $4,718 |
| Lacey | $1,769 | $3,432 | $4,040 | $4,666 | $5,500 |
| Olympia | $1,070 | $3,499 | $4,702 | $6,073 | $7,940 |
| Rainier | $548 | $2,055 | $3,546 | $4,643 | $5,926 |
| Rochester | $387 | $1,674 | $3,135 | $4,148 | $5,324 |
| Tenino | $580 | $2,066 | $3,628 | $4,946 | $6,358 |
| Tumwater | $1,089 | $3,297 | $4,227 | $5,150 | $6,231 |
| Yelm | $723 | $2,318 | $3,605 | $4,529 | $5,849 |
| East Olympia | N/A | N/A | N/A | N/A | N/A |
| Littlerock | N/A | N/A | N/A | N/A | N/A |
| Mineral | N/A | N/A | N/A | N/A | N/A |
| Thurston County | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Want to lower your Thurston County property taxes?
How Can I Lower My Property Taxes in Thurston County?
Looking to reduce your Thurston County property taxes? Ownwell is the leading property tax appeal company serving Thurston County. We specialize in helping property owners in the Olympia area and beyond lower their tax bills by working directly with the Thurston County Assessor’s Office.
Through our tax monitoring service, we collect all necessary information to maximize your tax reductions. We navigate the complexities of the Thurston County property tax appeal process and identify all available exemptions, so you don’t have to.
Whether you are a homeowner, a real estate investor, or an asset manager, our local team at Ownwell has the expertise to assess your current property tax situation and find strategic opportunities for reducing your tax burden.
Property Tax Appeals in Washington
Property tax protests in Thurston County begin when a homeowner believes the assessed value of a property is too high. The first step is to review the notice from the Tax Assessor and compare the assessment with the property’s market value. If the assessment seems inaccurate, the homeowner can file an appeal before the deadline of December 9, 2026.
The appeal process typically involves submitting evidence that supports a lower assessed value. This can include recent sales of similar homes, photos, repair estimates, or other records that show the property was overvalued. After the appeal is filed, the case is reviewed by the board that listens to appeals, which considers the evidence and decides whether the assessment should be changed.
What can happen next? The board may agree that the property was assessed too high and reduce the value, which can lower the tax bill. It may also leave the assessment unchanged if it believes the original value was accurate. In some cases, the board may make a different adjustment based on the evidence presented.
Ownwell helps homeowners navigate the appeal process from start to finish. That includes reviewing the assessment, identifying strong arguments for a protest, preparing the appeal, and organizing supporting evidence. Ownwell also helps homeowners understand what the board is looking for, so the case is presented as clearly and effectively as possible.
For homeowners who want to challenge their property tax assessment, the process can be straightforward with the right support. A well-prepared appeal can make a meaningful difference, especially when the assessment does not reflect the property’s true market value.
Exemptions in Washington
What property tax exemptions are available in Thurston County, Washington?
Thurston County homeowners may qualify for several property tax exemption programs that can reduce the amount of tax owed on a primary residence. The most important one is the homeowner exemption for a principal residence, which is designed for owners who live in the home as their main dwelling. This exemption can help lower the taxable value of the property and is especially valuable for long-term homeowners.
Who is eligible for property tax exemptions in Thurston County?
Eligibility depends on the specific exemption. Primary residence exemptions are generally for homeowners who occupy the home as their main residence. Other exemption programs may be available for seniors, people with disabilities, veterans, and surviving spouses, depending on county and state rules. Each program has its own requirements, so homeowners should review the qualifications carefully before applying.
How do homeowners apply for exemptions?
Homeowners usually apply through the local assessor’s office by submitting the required exemption application and any supporting documents that prove ownership, occupancy, or eligibility. For a primary residence exemption, proof that the property is the homeowner’s main home is typically required.
How can Ownwell help?
Ownwell helps Thurston County homeowners identify every exemption they may qualify for, including primary residence relief, and guides them through the application process so they do not miss savings they are entitled to receive.
Available Exemptions
Senior
Disabled
Veteran
Non-Profit
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | December 9 |
| Tax Bill | |
| Issued | February 10 |
| Due Date #1 | April 30 |
| Due Date #2 | October 31 |
Links | |
|---|---|
| Thurston Tax Assessor | |
| Website | tcproperty.co.thurston.wa.us |