Housing in Black Diamond, WA
Home values, rent, ownership rates, and housing market data
Housing Market Snapshot
Source: Redfin — January 2026Median Sale Price
$709,950
Median List Price
$849,950
Price Per Sq Ft
$353
Days on Market
167
Active Inventory
43
Months of Supply
3.3
Seller's market
Zillow Home Value
$763,503
ZHVI — January 2026
Price Trends
Source: RedfinMarket Competitiveness
Source: RedfinSold Above List
38.5%
Off Market in 2 Weeks
25.0%
Sale-to-List Ratio
102.8%
Seller's market
Market Activity
Source: RedfinHomes Sold
13
New Listings
15
Pending Sales
16
Price Per Square Foot
Source: RedfinMedian Sale $/SF
$353
Median List $/SF
$303
Black Diamond vs Similar Cities
Source: Census ACS / Redfin (2023)Compared to cities with under 10,000 residents. Black Diamond 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
$776,400
Median Rent
$2,340
Total Housing Units
2,296
Vacancy Rate
5.0%
Owner Occupied
87.0%
Renter Occupied
13.0%
Median Property Tax
$5,905
per year
Monthly Cost (w/ Mortgage)
$2,586
Housing Types
The current median sale price in Black Diamond, WA is $709,950 according to Redfin data. Homes spend a median of 167 days on the market. 38.5% of homes sold above asking price. The market has 3.3 months of supply. The median price per square foot is $353. The median rent is $2,340 per month (Census ACS). About 87.0% of housing units are owner-occupied. The median year homes were built is 1997. There are 2,296 total housing units.