Diamond Bar Housing Market Report – July 2026
Here's a look at how the Diamond Bar, CA real estate market performed in July 2026, based on actual sold data from the MLS.
Market Snapshot
- Homes Sold: 47
- Median Sale Price: $958,600
- Average Sale Price: $969,823
- Average Price Per Sq Ft: $539
- Average Days on Market: 69
- Sale-to-List Price Ratio: 96.2%
Month-Over-Month Trends
Compared to June, the median sale price in Diamond Bar moved 11.2% down (from $1,080,000 to $958,600). The number of homes sold was 27.0% up compared to the prior month (37 vs. 47). Average days on market shifted 16.9% up (59 days to 69 days).
Year-Over-Year Comparison
Compared to July 2025, the median sale price is 17.0% down (from $1,155,000 to $958,600). Sales volume is 46.9% up year-over-year.
What This Means
Diamond Bar's housing market is cooling noticeably as summer progresses. Median prices have dropped 11.2% just this month and 17.0% year-over-year, settling around $959,000. While sales volume appears up, this likely reflects improved data collection rather than genuine market strength. The more telling indicator is that homes are sitting on the market longer—now averaging 69 days compared to 59 days last month. Buyers aren't rushing, and sellers are adjusting expectations accordingly, with homes selling at 96.2% of asking price rather than commanding premiums.
The inventory picture reveals why. With 225 active listings and sellers asking an average of $1.08 million, there's a meaningful gap between asking and actual selling prices. Properties are lingering nearly three months on average before sale. This suggests the market has shifted firmly in buyers' favor after years of scarcity. Rising interest rates and summer seasonality are likely playing roles, but the fundamental story is that Diamond Bar has moved from a sellers' market to a more balanced one.
For buyers, this is good news—more negotiating power and lower prices. Sellers should be realistic about pricing to avoid the 90-day inactive listing trap becoming common in the area.
Diamond Bar Sales by Zip Code
| Zip Code | Homes Sold | Median Price | Avg $/SqFt | Avg DOM |
|---|---|---|---|---|
| 91765 | 45 | $945,000 | $538 | 67 |
| 91789 | 2 | $1,239,000 | $563 | 112 |
Sales by Property Type
| Property Type | Homes Sold | Median Price | Avg $/SqFt |
|---|---|---|---|
| SINGLE_FAMILY | 29 | $1,233,000 | $562 |
| CONDOS | 11 | $535,000 | $504 |
| CONDO | 4 | $470,000 | $455 |
| TOWNHOMES | 3 | $798,800 | $560 |
Sales by Price Range
| Price Range | Homes Sold |
|---|---|
| $100K - $199K | 1 |
| $300K - $399K | 3 |
| $400K - $499K | 3 |
| $500K - $749K | 7 |
| $750K+ | 33 |
Current Active Listings
As of this report, there are 225 active listings in Diamond Bar with a median asking price of $1,080,000 and an average of 90 days on market.
Thinking About Selling Your Diamond Bar Home?
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