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3 beds New construction With a pool

4 Bedroom Homes in Diamond Bar, CA

3 listings

4 Bedroom Homes in Diamond Bar, CA

4 Bedroom Homes in Diamond Bar, CA

3 Listings

4 Bedroom Homes in Diamond Bar, CA

3 Listings

40Active
$796,660

Your local brokerage

TO

Thomas O'Leary

Realty.com

Lic. #01840925

4 bd · 3 ba · 1,846 sqft

1034 E Romney Drive, Diamond Bar, CA

Sunny Sheng · Re/Max Top Producers

$799,000

4 bd · 3 ba · 1,619 sqft

2119 Dublin Lane 2, Diamond Bar, CA

Darryl Jones · ERA North Orange County

Price Reduced42Active

$1,188,888

4 bd · 4 ba · 1,888 sqft

23930 Sapphire Canyon, Diamond Bar, CA

Hiljin Sabangan · Deluxe Realty

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Your local brokerage

TO

Thomas O'Leary

Realty.com

Lic. #01840925

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Diamond Bar, CA community profile

Population: 53,445
Median income: $98,199
Housing units: 17,658
People per sq. mi.: 3,539.4
Area: 15.1 sq. mi.

Source: HJN community data

Diamond Bar housing market

July 2026 · This period is still settling

Selling at 100.1% of asking price

Sales here are closing essentially at asking. MLS · 29 sales · as of Jul 20, 2026

Homes that sold · County records, as of Jul 10, 2026

Median sale price: $1,200,000$918,500–$1,359,000 typical range
Price per sq. ft.: $552
Sales: 11
Paid in cash: 36.4%

Homes on the market · MLS, as of Jul 20, 2026–Jul 21, 2026

Median list price: $1,095,000
Homes for sale: 196
Median days on market: 13 days

Price trend · Assessor repeat sales, as of Jul 31, 2026

Year-over-year: 25.7%

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Jul 15, 2026

Median home size: 1,810 sq. ft.