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ZIP 91765 in Diamond Bar, CA: housing market trends

The median home sale price in ZIP 91765 in Diamond Bar, CA was $1,068,186 for the three-month period ending September 2026. Sale prices were 12.4% higher than the same period one year earlier. These are area-level statistics; changes in the mix of homes sold can move the median.

Median sale price
$1,068,186
three-month period ending September 2026
Median sale price per sq ft
$537.74
three-month period ending September 2026
Active listings
269
three-month period ending September 2026
Typical monthly rent
$3,215
Rent index · August 2026

How is housing inventory changing?

There were 269 active listings for the three-month period ending September 2026. Active listings were 4.7% higher than the same period one year earlier. This counts homes active at any time during the period, not only those available on its final day.

How long are homes taking to sell?

The median time on market was 61 days for the three-month period ending September 2026. Sale prices, inventory, and selling time describe different parts of the market; none alone establishes what an individual home will sell for.

Home prices by property type

Published Redfin medians for each home type. Each row covers the three-month period ending in its listed month; missing values remain unavailable.

Property-type comparison for ZIP 91765 in Diamond Bar, CA
Home typePeriod endingMedian sale priceSale price / sq ftHomes sold
All homesSeptember 2026$1,068,186$537.7494
Single-familySeptember 2026$1,232,689$553.9360
TownhousesSeptember 2026$680,501$522.076 · small sample
Condos / co-opsSeptember 2026$534,984$509.7228
Multifamily (2–4 units)September 2026UnavailableUnavailableUnavailable

Compare nearby housing markets

Published city and place figures. Check each row’s reporting period and source before comparing; these are separate markets, not neighborhood boundaries.

Nearby market comparison for ZIP 91765 in Diamond Bar, CA
MarketMedian sale priceReporting period / source
Diamond Bar, CA$1,016,000Month ending July 2026 · Zillow
Walnut, CA$1,284,3883 months ending September 2026 · Redfin
Rowland Heights, CA$937,5543 months ending September 2026 · Redfin
Brea, CA$1,189,4343 months ending September 2026 · Redfin
Chino Hills, CA$965,000Month ending July 2026 · Zillow
Pomona, CA$622,500Month ending July 2026 · Zillow

Recent sale-price history

All residential home types. Each row represents an overlapping three-month period ending in that month. Use the charts above for the full available history and home-type filters. Missing values remain unavailable.

Recent home sale prices for ZIP 91765 in Diamond Bar, CA
Period endingMedian sale priceSale price / sq ftActive listings
September 2026$1,068,186$537.74269
August 2026$1,080,000$559.67272
July 2026$1,090,000$562.93279
June 2026$1,128,000$566.75262
May 2026$1,149,250$559.84233
April 2026$1,139,000$570.13220
March 2026$1,089,000$566.75196
February 2026$969,500$557.73187
January 2026$958,000$537.26188
December 2025$968,000$555.56194
November 2025$975,000$544.55224
October 2025$988,000$535.71255
September 2025$950,000$521.72257
August 2025$1,000,000$518.81267
July 2025$983,500$539.20257
June 2025$999,500$545.16244
May 2025$1,047,000$558.92233
April 2025$962,750$565.71226
March 2025$900,000$565.79207
February 2025$902,750$544.32198
January 2025$955,000$537.83184
December 2024$990,000$544.87192
November 2024$1,000,000$552.80206
October 2024$935,000$566.64221

Sources and definitions

Sale-price and property-type histories use Redfin where available. Redfin observations cover rolling three-month periods. Zillow Research supplies monthly home-value and rent indices and additional market series. Provider selection is shown in the chart details. Each metric retains its own reporting date.

Sale price per square foot describes completed sales with reported floor area; it is not a listing-price measure. Active listings count listings active during the reporting period. Home values and rents are typical-value indices, not sale-price or rent medians. ZIP map boundaries are Census ZCTAs and may differ from provider regions. Related ZIP associations do not imply containment within city boundaries.

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