Black Diamond, WA housing market
The typical Black Diamond home is worth about $750,000, down 3% in a year, 27% above the Washington typical home. Homes typically sell in 63 days, close to asking.
Home values, sales, trends and how Black Diamond compares with the towns next door — updated as new data is published.
Black Diamond at a glance
A seller's market
Supply is tight — about 3.4 months of homes for sale at the current pace. Buyers should expect competition on well-priced homes.
Typical home value, 2016–2026
Show as a table
| January | Black Diamond | Washington |
|---|---|---|
| 2017 | $413,000 | $326,000 |
| 2018 | $458,000 | $362,000 |
| 2019 | $482,000 | $390,000 |
| 2020 | $498,000 | $413,000 |
| 2021 | $580,000 | $471,000 |
| 2022 | $703,000 | $554,000 |
| 2023 | $717,000 | $572,000 |
| 2024 | $737,000 | $582,000 |
| 2025 | $787,000 | $605,000 |
| 2026 | $775,000 | $601,000 |
| August 2026 | $750,000 | $592,000 |
205 new homes permitted in 2025
Builders were permitted 205 new homes in Black Diamond in 2025, all single-family houses, worth about $67.8 million to build. That's 34 per 1,000 residents, faster than across Washington (4.6). Over the past 10 years, Black Diamond has permitted 1,681 homes in all.
Homes vs. people, 2010–2020
Between the 2010 and 2020 censuses, Black Diamond gained 546 residents while 472 new homes were permitted: about 1.2 new residents per new home. Building outpaced population growth, which usually means smaller households or homes used part of the year. Across Washington: 2.7 new residents per new home.
How Black Diamond ranks on housing keeping up with growth →
Residents: U.S. Census Bureau, 2010 and 2020 censuses. New homes: permits issued 2010–2019.
Show as a table
| Year | New homes | Single-family | 2+ per building | Value |
|---|---|---|---|---|
| 2026 (Jan–Aug) | 73 | 73 | 0 | $24.9 million |
| 2025 | 205 | 205 | 0 | $67.8 million |
| 2024 | 96 | 96 | 0 | $33.2 million |
| 2023 | 119 | 119 | 0 | $42.8 million |
| 2022 | 152 | 152 | 0 | $61.1 million |
| 2021 | 240 | 240 | 0 | $82 million |
| 2020 | 439 | 274 | 165 | $114.3 million |
| 2019 | 260 | 226 | 34 | $82.5 million |
| 2018 | 150 | 146 | 4 | $48.7 million |
| 2017 | 12 | 12 | 0 | $4.8 million |
| 2016 | 8 | 8 | 0 | $3.2 million |
| 2015 | 11 | 11 | 0 | $4.2 million |
| 2014 | 11 | 11 | 0 | $4.2 million |
| 2013 | 8 | 8 | 0 | $2.8 million |
| 2012 | 6 | 6 | 0 | $2.1 million |
| 2011 | 5 | 5 | 0 | $1.9 million |
| 2010 | 1 | 1 | 0 | $450,000 |
| 2009 | 4 | 4 | 0 | $1.9 million |
| 2008 | 6 | 6 | 0 | $2.3 million |
| 2007 | 33 | 33 | 0 | $11.4 million |
| 2006 | 9 | 9 | 0 | $1.8 million |
| 2005 | 3 | 3 | 0 | $645,000 |
| 2004 | 7 | 7 | 0 | $1.5 million |
| 2003 | 15 | 15 | 0 | $1.9 million |
| 2002 | 6 | 6 | 0 | $942,000 |
| 2001 | 8 | 8 | 0 | $1.1 million |
| 2000 | 14 | 14 | 0 | $3 million |
How Black Diamond ranks on new homes being built →
Homes authorized by building permits, counted in the year the permit was issued. U.S. Census Bureau, Building Permits Survey, through August 2026.
Black Diamond and its neighbors
| Town | Typical value | 1-yr change | 2-bed rent | New homes 2025 | Median income |
|---|---|---|---|---|---|
| Black Diamond | $750K | −3% | $2,630 | 205 | $141,383 |
| Lake Morton-Berrydale | — | +1.4%† | $2,520 | — | $129,833 |
† FHFA price index change, where Zillow has no home value for the town.
5.3 years of income
The typical Black Diamond home costs about 5.3 years of the town's median household income, less than across Washington (6 years).
How Black Diamond ranks on affordability →
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
A two-bedroom rents for about $2,630
HUD's Fair Market Rent for a two-bedroom in Black Diamond is $2,630 a month, utilities included: roughly what a modest, recently rented unit costs. Renters already in Black Diamond pay a median of $1,453, so moving in tends to cost more than staying put. A two-bedroom takes about 22% of the town's median household income.
Studio $2,180 · 4 bedrooms $4,050
U.S. Department of Housing and Urban Development, FY2026 Fair Market Rents by ZIP code (98010; Seattle-Bellevue, WA HUD Metro FMR Area), weighted by land area. A Fair Market Rent is the 40th-percentile rent plus utilities for a standard unit. Median rent: U.S. Census Bureau, American Community Survey.
Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center, May 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. New homes: U.S. Census Bureau, Building Permits Survey. Fair Market Rents: U.S. Department of Housing and Urban Development. Listings link to their publishers.