Black Diamond Cemetery · Photo: Joe Mabel · CC BY-SA 3.0225 homes sold in Black Diamond in the last year, at a typical $742K
Almost every sale is a house. Below: what each kind of home sells for, what your budget buys, the best months to buy, how hard you’ll have to bid, and a shortcut to every site where Black Diamond homes are listed.
Every place Black Diamond homes are listed, in one stop
We don’t copy listings: the agents’ sites have the photos and the latest price changes. Set what you want once and we open each site already filtered to Black Diamond.
For sale
Rent
New, land & open houses
Links open the listing sites; TownRatings isn’t paid for them and doesn’t rank one above another. Rentals and government-owned homes come from sources outside the MLS.
Houses are 96% of Black Diamond’s sales, at a typical $777K (year to May 2026)
225 homes sold in the year to September 2026.
typical sale · 200 sold in the year to May 2026
- Per square foot
- $389WA $348
- Days to sell
- 66
- Sold over asking
- 32%
- Listings with a price cut
- 32%
Multi-family (2–4 units): 1 sold, typical $650K
Townhouses: 6 sold, typical $552K
Condos: 2 sold, typical $371K
Too few sales in 12 months for reliable figures.
More homes sell than most years, at 1.8 times the 2016 price
225 sales in the last year, against 350 in 2021 and a low of 57 in 2012. The typical sale went from $404K in 2016 to $742K.
Source: Redfin Data Center, MLS sales; from June 2026 each month is a 3-month rolling window, its counts divided by 3. Typical price and $/sq ft are the monthly medians, weighted by sales. Redfin stopped publishing towns’ figures by property type after May 2026, so houses and condos are shown for the year to then.
What $750K buys in Black Diamond
Check a listing against what Black Diamond homes sold for
Against the town’s median price per square foot over the last 12 months. A rough check: condition, lot and location within town move a price more than this can see.
Bidding wars in Black Diamond are back to pre-pandemic levels, and more homes are for sale
We read every month of Black Diamond’s home sales since 2012 so you don’t have to. Each figure covers 12 months, because a single month in a town is too few sales to mean much. Latest: the year to September 2026, 225 sales.
If you’re buying in Black Diamond
- Shop in July. It brings about 22 new listings a month, close to the busiest month, with fewer bidding wars (31% over asking).
- Bid near asking. Buyers paid 100.7% of the list price on average; 25% paid over.
- You’ll usually have time. Only 29% of homes go under contract within two weeks; the typical one takes 57 days.
Summer brings the homes; spring brings the bidding wars
June has the most new listings (about 24 a month), but April is the most competitive: 44% of April sales close over asking. February has the least competition (28%).
Averages for each calendar month, 2015 on.
Calmer than the 2021 frenzy, and about like Washington as a whole
| Black Diamond now | 2017–19 | 2021 peak | WA now | |
|---|---|---|---|---|
| Sold over askingShare of sales that closed above the list price | 25% | 26% | 51% | 25% |
| Gone within two weeksShare of homes under contract within 14 days | 29% | 44% | 59% | 38% |
| Price paid vs. askingAverage sale price ÷ list price | 100.7% | 100.1% | 102.4% | 99.1% |
| Days to sellMedian days from listing to contract | 57 | 44 | 13 | 35 |
70 homes for sale on a typical day
That’s 9 times the 2017 low (8) and 142% more than in 2017–19.
Black Diamond ranks 103rd of 191 busy Washington markets for bidding wars
Share of sales over asking in the last year, among towns with 60 or more sales. Black Diamond is in the middle of the pack.
Source: Redfin Data Center, city figures, January 2012 to September 2026 (MLS sales, not seasonally adjusted; from June 2026 each month is a 3-month rolling window, its counts divided by 3). Ratios are weighted by homes sold; price cuts by homes for sale.
Owning the typical Black Diamond home costs about $4,328 a month
Price: Black Diamond’s typical sale, last 12 months. Property tax at Black Diamond’s 0.7% (median bill ÷ median value, Census ACS); insurance at 0.35% of price a year. Before PMI, HOA dues, upkeep and the tax deduction. Whether Black Diamond is affordable on local pay is on Cost of living.
Six things worth knowing
New listings in June
The month with the most choice. November has the fewest, about 9.
Best time to buyProperty tax, a year
Of a home’s value: the median bill over the median home value. On a $742K home, about $5,480 a year.
Taxes vs. neighborsSchools
The schools grade for Black Diamond, from test results, graduation and how much students grow.
Schools in Black DiamondTypical commute
The average one-way trip to work for people who live in Black Diamond.
Work & commuteCheck the flood map
Flood insurance isn’t in a standard policy, and lenders require it in FEMA flood zones. Check the address before you make an offer.
Natural hazardsLook up any property
Assessed value, lot size and every past sale of a home you’re eyeing are public, at the town or county assessor and the registry of deeds.
Covington sells for less a square foot; Hobart for far more
The busier markets within 25 miles of Black Diamond, by what sold. Prices, taxes and how far a paycheck goes next door are on Cost of living.
| Sold | Typical sale | $/sq ft | Over asking | Days to sell | |
|---|---|---|---|---|---|
| Maple Valley | 344 | $734K | $366 | 22% | 21 |
| Covington | 297 | $689K | $334 | 26% | 28 |
| Black Diamond | 225 | $742K | $355 | 25% | 57 |
| Lake Morton-Berrydale | 125 | $740K | $364 | 25% | 33 |
| Hobart | 65 | $1M | $472 | 17% | 23 |
| Lake Holm | 32 | $1M | $356 | 36% | 47 |
| Shadow Lake | 24 | $1.1M | $416 | 15% | 37 |
Redfin Data Center, October 2025 to September 2026. Towns with fewer than 20 sales are left out, and Redfin doesn’t report every town separately.
Post your home to Black Diamond, free
Selling it yourself, renting out an apartment or looking for a roommate? Post it to Black Diamond. People who follow the town see it, and so do people comparing Black Diamond with their own town. No commission, no listing fee.
Questions about buying a home in Black Diamond
What do homes sell for in Black Diamond, WA?
225 homes sold in the year to September 2026 at a typical $742K, $355 a square foot.
Is Black Diamond a buyer’s or seller’s market?
A buyer’s market: 148 homes were for sale in September 2026 and 19 sold, about 7.8 months of supply. Buyers paid 100.7% of asking on average.
When is the best time to buy in Black Diamond?
June brings the most new listings. The sales history shows which months have fewer bidding wars.
How much are property taxes in Black Diamond?
About 0.7% of a home’s value a year. On a $742K home that’s near $5,480.
Where can I see homes for sale in Black Diamond?
Zillow, Redfin, Realtor.com and Homes.com all carry Black Diamond’s MLS listings; the search links above open each one filtered to Black Diamond.
Sales, prices, days on market and listings: Redfin Data Center (MLS, monthly, not seasonally adjusted; from June 2026 each month is a 3-month rolling window, its counts divided by 3). Property tax rate: Census American Community Survey. Two-bedroom rent: HUD Fair Market Rent. Typical home value: Zillow Home Value Index. Schools grade: TownRatings (how grades work).