Diamond Bar Housing Market Report – March 2026

By Jessica

Here's a look at how the Diamond Bar, CA real estate market performed in March 2026, based on actual sold data from the MLS.

Market Snapshot

  • Homes Sold: 25
  • Median Sale Price: $1,175,000
  • Average Sale Price: $1,138,400
  • Average Price Per Sq Ft: $560
  • Average Days on Market: 61
  • Sale-to-List Price Ratio: 100.3%

Month-Over-Month Trends

Compared to February, the median sale price in Diamond Bar moved 2.1% down (from $1,200,000 to $1,175,000). The number of homes sold was 7.4% down compared to the prior month (27 vs. 25). Average days on market shifted 21.8% down (78 days to 61 days).

Year-Over-Year Comparison

Compared to March 2025, the median sale price is 11.9% up (from $1,050,000 to $1,175,000). Sales volume is 4.2% up year-over-year.

What This Means

Diamond Bar's housing market is showing mixed signals as spring kicks in. While the median price climbed nearly 12 percent year-over-year to $1.175 million, this month saw a slight pullback compared to February, with prices dipping 2.1 percent. Sales volume also cooled, dropping from 27 homes to 25. The silver lining? Homes are moving faster—average days on market shrunk from 78 to 61 days—and sellers are still getting full asking price, with a sale-to-list ratio hovering right around 100.3 percent. This suggests the market found a healthier pace after the winter rush.

The inventory situation tells an interesting story. With 140 homes currently listed at a median asking price of $1.054 million, there's more choice than there was a year ago, but many of these listings are sitting longer than sold homes—averaging 98 days on market. This hints that some sellers may be pricing optimistically relative to what buyers are actually willing to pay. For buyers, that's good news: less competition and more negotiating room than we've seen recently. For sellers, it's a reality check that the scorching appreciation is cooling, and pricing strategically matters more than it did when homes flew off the shelf.

Diamond Bar Sales by Zip Code

Zip Code Homes Sold Median Price Avg $/SqFt Avg DOM
91765 21 $1,060,000 $555 53
91789 4 $1,436,000 $585 99

Sales by Property Type

Property Type Homes Sold Median Price Avg $/SqFt
SINGLE_FAMILY 18 $1,281,000 $574
CONDOS 5 $538,000 $525
CONDO 1 $1,060,000 $586
TOWNHOMES 1 $650,000 $466

Sales by Price Range

Price Range Homes Sold
$200K - $299K 1
$300K - $399K 1
$500K - $749K 4
$750K+ 19

Current Active Listings

As of this report, there are 140 active listings in Diamond Bar with a median asking price of $1,054,000 and an average of 98 days on market.

Thinking About Selling Your Diamond Bar Home?

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