Market Overview
Home Prices in Union, WA
The median home value in Union, WA is $522,361 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 0.3% compared to a year ago and up 1.9% from two years prior.
Compared to the U.S. national median of $410,000, homes in Union are priced27% above average. Union is part of the Shelton, WA metro area.
Over the past five years, Union home values have risen by approximately16.9%, reflecting steady appreciation in this market.
Price History
Union Home Price Trend
2020
$360,274
$360K
—
2021
$446,956
$447K
+24.1%
2022
$533,706
$534K
+19.4%
2023
$492,423
$492K
-7.7%
2024
$511,166
$511K
+3.8%
2025
$520,999
$521K
+1.9%
2026
$522,361
$522K
+0.3%
City Comparison
Union vs. National Median
🏠 Union
$522,361
National Median
$410,000
At $522,361, homes in Union cost 27% above the national median of $410,000. Buyers in Union should expect to pay a premium compared to most U.S. markets.
Affordability
What Does It Cost to Buy in Union?
20% Down Payment
$104,472
on $522,361
Monthly P&I
$2,724/mo
30-yr @ 6.8%
Total Monthly Est.
~$3,459/mo
incl. taxes & insurance
Income Needed
$138,360
gross annual (30% rule)
10% Down Option
$52,236
+ PMI applies
Loan Amount (20% dn)
$417,889
at current rates
Estimates assume a 30-year fixed mortgage at 6.8%. Monthly total includes estimated property taxes and homeowner's insurance. Actual costs vary.
FAQ
Frequently Asked Questions
What is the average home price in Union, WA?
The median home value in Union is $522,361 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 0.3% year-over-year.
How much have home prices changed in Union?
Over the past year, home values in Union have increased by 0.3%. Over five years, prices have risen approximately 16.9%.
How much do I need to earn to buy a home in Union?
To comfortably afford the median home price of $522,361 with a 20% down payment ($104,472) at today's rates (6.8%), you'd need a gross annual income of approximately $138,360. This assumes keeping total housing costs at or below 30% of gross income.
How does Union compare to the national average home price?
The national median home value is approximately $410,000. At $522,361, homes in Union are 27% above the national average.
What metro area is Union part of?
Union is part of the Shelton, WA metropolitan area. Home prices and market conditions can vary across the broader metro region.