Unshakable ZIP Data 91765 | Diamond Bar, CA Housing Market
Diamond Bar · Los Angeles County · Los Angeles-Long Beach-Anaheim, CA metro · California · Data updated June 19, 2026
The median sale price in ZIP 91765, Diamond Bar, California is $1,148,909 at $560 per square foot. 80 single-family homes sold in the latest period, down 11.8 percent from a year earlier. Homes sit a median of 46 days on market with 4.8 months of supply. Sellers are getting 99.8 percent of list price and 39.8 percent of homes sold above asking.
Balanced market.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $1,117,909 | |
| Average price per sq ft | $545 | |
| Median sale price | $1,148,909 | |
| Median sale price per sq ft | $560 | |
| Median home size | 2,052 sq ft | |
| Median new listing price | $1,090,677 | -0.7% |
| National size rank | 1,586 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 80 | -11.8% |
| Median days on market | 46 days | |
| Months of supply | 4.8 months | |
| New listings | 148 | +3.7% |
| Active listings | 233 | -0.0% |
| Pending sales | 106 | -5.8% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 99.8% | -0.2 pts |
| Share sold above list | 39.8% | +5.7 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
1-bedroom
$349,684
2-bedroom
$529,582
3-bedroom
$921,142
4-bedroom
$1,170,346
5-bedroom
$1,571,604
These figures describe the single-family market for Diamond Bar, California ZIP 91765. They are market context, not a substitute for sold comps or a formal appraisal.