Real Estate Data API

Diamond Bar CA

398 active listings out of 19K total properties we track across 6 Diamond Bar ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
398
Median
$998K
-13.9%
Sold Sep
33
+94.1%
Tracked
19K
Zoomed out

While you're here, take in the bigger picture — maps below show Los Angeles metro, not just Diamond Bar. Same company, same dataset, different resolution.

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Inventory breakdown

Distribution of the 398 currently-active listings in Diamond Bar, CA. Full dataset covers 19K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 4 (1%)
$300K–$500K 56 (14.2%)
$500K–$750K 70 (17.7%)
$750K–$1M 72 (18.2%)
$1M–$2M 152 (38.5%)
$2M+ 41 (10.4%)
Active by bedroom count
Studio/1 bd 15
2 bd 101
3 bd 76
4 bd 111
5+ bd 69
Active by property type
Single Family 211 (53%)
Condo 133 (33.4%)
Lot 27 (6.8%)
Townhouse 23 (5.8%)
Other 4 (1%)

ZIP codes in Diamond Bar

Drill into any ZIP for hex-level breakdowns.

91765
→
Active
361
Tracked
17K
91789
→
Active
36
Tracked
2.5K
91766
→
Active
1
Tracked
2
91709
→
Active
0
Tracked
1
91761
→
Active
0
Tracked
1
92504
→
Active
0
Tracked
1

Nearby cities

Other California cities within driving distance.

Walnut
2.8 mi away
Active: 279
Rowland Heights
4.8 mi away
Active: 198
Chino Hills
5.7 mi away
Active: 481
West Covina
6.6 mi away
Active: 378
Brea
6.6 mi away
Active: 223
San Dimas
6.9 mi away
Active: 253
La Puente
7.7 mi away
Active: 359
Yorba Linda
8.1 mi away
Active: 474
For Developers

Get Diamond Bar, CA data in your app

curl
request 
GET https://api.straply.com/v1/markets/city/diamond-bar-ca
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "city": "diamond-bar-ca",
  "total_tracked": 19057,
  "active": 398,
  "median_list": 998000
}
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Diamond Bar, CA real estate: market summary

As of November 2026, Straply tracks 19,057 homes in Diamond Bar, CA, with 398 active for sale at a median list price of $998,000 (~$555/sq ft). Notably, the market is cooling — the median sale price is down 14% year over year.

Median list price
$998,000
Median $/sq ft
$555
Active listings
398
Median sale price
$930,000 (-14% YoY)
Properties tracked
19,057

Frequently asked: Diamond Bar, CA real estate

What is the median home price in Diamond Bar?

The median list price in Diamond Bar, CA is $998,000 (about $555 per square foot), based on 398 active listings tracked by Straply as of November 2026.

What price range are homes in Diamond Bar?

Active listings in Diamond Bar, CA concentrate in: 38% $1m–$2m and 18% $750k–$1m.

Are home prices in Diamond Bar going up or down?

The median sale price is $930,000, down 14% year over year. Straply tracked 352 sales here over the past 12 months.

How many homes are for sale in Diamond Bar?

Straply is tracking 398 active listings in Diamond Bar, CA out of 19,057 properties on record as of November 2026.

How old are the homes in Diamond Bar?

Most homes in Diamond Bar, CA were built in the 1980s. About 48% were built after 1980. The newest tracked home dates to 2026.

What types of homes are in Diamond Bar?

Diamond Bar, CA is mostly single-family homes (53% of listings). Also common: condos 33%, lots / land 7%.

How many bedrooms do homes in Diamond Bar typically have?

The most common size in Diamond Bar, CA is 4 bd.

What are the most active ZIP codes in Diamond Bar?

The ZIP codes with the most active listings in Diamond Bar, CA are 91765, 91789, 91766.

What areas are near Diamond Bar?

Nearby markets Straply also tracks include Walnut, Rowland Heights, Chino Hills, West Covina.

Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.