📍 Black Diamond, WA · Zillow ZHVI · July 2026

Average Home Price in
Black Diamond, WA

Seattle-Tacoma-Bellevue, WA metro area · King County County

Median Home Value
$770,693
↓ 2.4% year-over-year
vs. National Median
$410,000
Black Diamond is 88% above
Est. Monthly Payment
$4,019/mo
20% down · 6.8% rate
Income Needed
$204K
gross annual (30% rule)
Median Home Value
$770,693
↓ 2.4% year-over-year

Down Payment (20%)$154,139
Monthly P&I$4,019/mo
With Taxes & Ins.~$5,104/mo
Income Needed$204,160/yr
Data SourceZillow ZHVI
Market Overview

Home Prices in Black Diamond, WA

The median home value in Black Diamond, WA is $770,693 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's down 2.4% compared to a year ago and up 1.4% from two years prior.

Compared to the U.S. national median of $410,000, homes in Black Diamond are priced88% above average. Black Diamond is part of the Seattle-Tacoma-Bellevue, WA metro area.

Over the past five years, Black Diamond home values have risen by approximately18.0%, reflecting steady appreciation in this market.

City Comparison

Black Diamond vs. National Median

🏠 Black Diamond
$770,693
National Median
$410,000

At $770,693, homes in Black Diamond cost 88% above the national median of $410,000. Buyers in Black Diamond should expect to pay a premium compared to most U.S. markets.

Affordability

What Does It Cost to Buy in Black Diamond?

20% Down Payment
$154,139
on $770,693
Monthly P&I
$4,019/mo
30-yr @ 6.8%
Total Monthly Est.
~$5,104/mo
incl. taxes & insurance
Income Needed
$204,160
gross annual (30% rule)
10% Down Option
$77,069
+ PMI applies
Loan Amount (20% dn)
$616,554
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 Black Diamond, WA?
The median home value in Black Diamond is $770,693 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's down 2.4% year-over-year.
How much have home prices changed in Black Diamond?
Over the past year, home values in Black Diamond have decreased by 2.4%. Over five years, prices have risen approximately 18.0%.
How much do I need to earn to buy a home in Black Diamond?
To comfortably afford the median home price of $770,693 with a 20% down payment ($154,139) at today's rates (6.8%), you'd need a gross annual income of approximately $204,160. This assumes keeping total housing costs at or below 30% of gross income.
How does Black Diamond compare to the national average home price?
The national median home value is approximately $410,000. At $770,693, homes in Black Diamond are 88% above the national average.
What metro area is Black Diamond part of?
Black Diamond is part of the Seattle-Tacoma-Bellevue, WA metropolitan area. Home prices and market conditions can vary across the broader metro region.