Union
Deed records through Jul 2026Counties take time to publish deeds, so the newest months can be incomplete and may shift as more records arrive.
Market Trends
Housing Stock
Equity & Ownership
CommunityThese are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Market metrics are derived from recorded arms-length deeds and refreshed nightly. Temperature blends price momentum, sales velocity, turnover and resale outcomes, ranked against all communitys nationally.
How Union compares
By median home value, Union is the 2nd most expensive of 5 communities in Mason County, and its typical home is worth more than 71% of all homes in Mason County.
Home values in Union
Share of homes at each estimated value.
About the Union market
What is the median home price in Union, WA?
The median sale price in Union, WA is $505,500 (data through July 2026), based on deeds recorded with the county. That is down 9.9% from a year earlier.
How many homes sell in Union, WA each year?
47 homes sold in Union, WA over the last 12 months (data through July 2026). TopHap counts recorded arm's-length deeds, not listings, so the figure is not affected by which brokerage handled the sale.
Is Union, WA a buyer's or seller's market?
Union, WA is currently a buyer's market, scoring 28 out of 100 on TopHap's market temperature index (data through July 2026). The score weighs sales velocity and price direction; above 60 favours sellers, below 40 favours buyers.
How many homes are there in Union, WA?
Union, WA contains 1,572 residential properties, with a median of 1,643 square feet, 3 bedrooms, built around 1993. The median TopHap Estimate is $543K.
How does Union, WA compare to the rest of Mason County?
By median home value, Union, WA is the 2nd most expensive of 5 communities in Mason County. Its typical home is worth more than 71% of all homes in Mason County. Grapeview ranks just above it and Allyn just below. The ranking is rebuilt nightly from the county assessor record of every home in each area.
Do people own or rent in Union, WA?
54% of homes in Union, WA are owner-occupied. 13% are held by a company rather than an individual.
How much equity do owners in Union, WA hold?
65% of mortgaged homes in Union, WA are equity-rich, meaning the loan balance is under half the home's value. 1.9% owe more than the home is worth.
Nearby markets
Browse addresses
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Explore Union on the map
See every recorded sale, price heat map, school zone and flood overlay across Union in TopHap’s interactive 3D map.
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