Black Diamond WA
129 active listings out of 4.8K total properties we track across 13 Black Diamond ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show Seattle metro, not just Black Diamond. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 129 currently-active listings in Black Diamond, WA. Full dataset covers 4.8K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Black Diamond
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other Washington cities within driving distance.
Get Black Diamond, WA data in your app
GET https://api.straply.com/v1/markets/city/black-diamond-wa
Authorization: Bearer $STRAPLY_KEY{
"city": "black-diamond-wa",
"total_tracked": 4792,
"active": 129,
"median_list": 766400
}Black Diamond, WA real estate: market summary
As of April 2026, Straply tracks 4,792 homes in Black Diamond, WA, with 129 active for sale at a median list price of $766,400 (~$349/sq ft). Notably, home prices are climbing — the median sale price is up 12% year over year.
- Median list price
- $766,400
- Median $/sq ft
- $349
- Active listings
- 129
- Median sale price
- $865,000 (+12% YoY)
- Properties tracked
- 4,792
Frequently asked: Black Diamond, WA real estate
What is the median home price in Black Diamond?
The median list price in Black Diamond, WA is $766,400 (about $349 per square foot), based on 129 active listings tracked by Straply as of April 2026.
What price range are homes in Black Diamond?
Active listings in Black Diamond, WA concentrate in: 38% $750k–$1m and 33% $500k–$750k.
Are home prices in Black Diamond going up or down?
The median sale price is $865,000, up 12% year over year. Straply tracked 222 sales here over the past 12 months.
How many homes are for sale in Black Diamond?
Straply is tracking 129 active listings in Black Diamond, WA out of 4,792 properties on record as of April 2026.
How old are the homes in Black Diamond?
Most homes in Black Diamond, WA were built in the 2020s. About 81% were built after 1980, while 6% predate 1940. The newest tracked home dates to 2026.
What types of homes are in Black Diamond?
Black Diamond, WA is mostly single-family homes (80% of listings). Also common: townhouses 15%.
How many bedrooms do homes in Black Diamond typically have?
The most common size in Black Diamond, WA is 2 bd.
What areas are near Black Diamond?
Nearby markets Straply also tracks include North Bend, Maple valley, Ravensdale, Covington.
Data as of April 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.