Union, Mason County, Washington Property Taxes

Name: Property Tax Bills Across Union, Mason County, Washington
Creator: Ownwell
License: https://creativecommons.org/licenses/by-nc/4.0/

Median Union, WA effective property tax rate: 0.72%, significantly lower than the national median of 1.02%, but lower than the Washington state median of 0.88%.
Median Union, WA home value: $396,390
Median annual Union, WA tax bill: $2,850, $450 higher than the national median property tax bill of $2,400.

How are property taxes in Mason County calculated?

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

Last Updated March 1, 2025

Union, Mason County, Washington Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.72%

Estimate Property Tax Bill

$2,854

$2,648

Ownwell’s UNION Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in UNION with just two data points. By entering your property's estimated assessed value, our calculator applies UNION’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a precise calculation for your property tax obligations. This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Mason County. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Union, Mason County, Washington

Local government entities set tax rates, which can vary widely within a state. This is because each year, counties estimate their required budget to provide services and then divide that by the total value of all taxable property within their jurisdiction. This calculation results in the property tax rate. Although votes and laws play a role in setting tax rates and budgets, this is essentially the annual process. In Union, located in Mason County, Washington, the effective property tax rate is 0.72%. This rate is notably lower than the national median property tax rate of 1.02%. When comparing Union’s rate to other cities in Washington, it stands out as one of the lowest. This can be beneficial for property owners seeking lower tax obligations. The affordability of property taxes in Union could be an attractive factor for potential homeowners or investors looking to manage costs effectively.

Property Tax Rates Across Union, Mason County, Washington

Source: Ownwell

0.63%

0.83%

1.02%

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 Union Tax Rate

0.72%

Median Effective Mason County Tax Rate

0.86%

Median Effective Washington Tax Rate

0.88%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Union, Mason County, Washington

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
98592	0.72%	0.72%	0.72%	0.73%	0.75%

Source: Ownwell

Property Tax Assessment Values Across Union, Mason County, Washington

When examining property taxes in Union, 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 Mason 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.

In Mason County, assessment notices are sent in the spring 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. 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 Union. For example, the median home price in Union is $396,390, with tax bills ranging significantly across the county. Zip code 98592 has the highest median home price at $396,390.

Property Tax Assessment Values Across Union, Mason County, Washington

Source: Ownwell

$138,885

$365,920

$592,955

Median Union Market Value

$396,390

Median Mason County Market Value

$304,420

Median Washington Market Value

$482,000

Median United States Market Value

$235,294

Property Tax Assessment Values Across Union, Mason County, Washington

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
98592	$42,334	$233,048	$396,390	$558,801	$720,972

Source: Ownwell

Property Tax Bills Across Union, Mason County, Washington

In Union, located in Mason County, WA, property tax bills are determined by the assessed value of a home and the local tax rate. The assessed value is a percentage of the property's market value, and this figure is then multiplied by the local tax rate to calculate the annual tax bill. In Union, the tax bill at the 25th percentile is $1,544, while at the 75th percentile, it rises to $4,030, and it can reach up to $5,306 at the 90th percentile. With the national median property tax bill at $2,400, Union's taxes can be significantly higher, particularly for homes at the upper percentiles. For homeowners, this can mean a substantial portion of their budget is dedicated to covering property taxes. Ownwell offers property tax appeal and exemption services that can help homeowners in Union reduce their tax burden. By evaluating the assessed values and ensuring they align with market conditions, Ownwell can identify discrepancies and assist in appealing for lower tax rates, potentially saving homeowners a significant amount on their annual tax bills.

Property Tax Bills Across Union, Mason County, Washington

Source: Ownwell

$835

$3,664

$6,493

Median Union Tax Bill

$2,850

Median Mason County Tax Bill

$2,654

Median Washington Tax Bill

$4,284

Median United States Tax Bill

$2,400

Property Tax Bills Across Union, Mason County, Washington

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
98592	$292	$1,544	$2,850	$4,030	$5,306

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
Mason Tax Assessor
Website	property.masoncountywa.gov