Housing in Mercer Island, WA
Home values, rent, ownership rates, and housing market data
Housing Market Snapshot
Source: Redfin — January 2026Median Sale Price
$2,099,950
Median List Price
$2,545,000
Price Per Sq Ft
$695
Days on Market
115
Active Inventory
27
Months of Supply
3.9
Seller's market
Zillow Home Value
$2,243,170
ZHVI — January 2026
Zillow Rent Index
$2,670
ZORI — January 2026
Price Trends
Source: RedfinMarket Competitiveness
Source: RedfinSold Above List
0.0%
Off Market in 2 Weeks
75.0%
Sale-to-List Ratio
96.8%
Buyer's market
Market Activity
Source: RedfinHomes Sold
7
New Listings
14
Pending Sales
8
Price Per Square Foot
Source: RedfinMedian Sale $/SF
$695
Median List $/SF
$785
Mercer Island vs Similar Cities
Source: Census ACS / Redfin (2023)Compared to cities with 10,000 - 25,000 residents. Mercer Island is highlighted.
Median Home Value
Median Rent
Median Price Per Sq Ft
Rent Burden
Census Housing Data
Source: U.S. Census Bureau ACS (2023)Median Home Value
$1,884,200
Median Rent
$2,464
Total Housing Units
10,454
Vacancy Rate
5.4%
Owner Occupied
66.0%
Renter Occupied
34.0%
Median Property Tax
$10,001
per year
Monthly Cost (w/ Mortgage)
$3,353
Housing Types
The current median sale price in Mercer Island, WA is $2,099,950 according to Redfin data. Homes spend a median of 115 days on the market. 0.0% of homes sold above asking price. The market has 3.9 months of supply. The median price per square foot is $695. Zillow's observed rent index is $2,670/month. About 66.0% of housing units are owner-occupied. The median year homes were built is 1973. There are 10,454 total housing units.