MARKET SNAPSHOT
- ?Sold Listings
- ?Average Sales Price
- ?Average Days on Market


29 Properties Available
- Default
- Price-High To Low
- Price-Low To High
- Newest Listings
- Beds (Most)
- Baths (Most)
- Year Built (Newest)
- Square Feet (Biggest)

$ 1,099,888
740 Great Bend DR, Diamond Bar, CA 91765
Single Family Home
Listed by Tahha Elsherif of WERE REAL ESTATE


$ 699,000
21715 Laurelrim DR #D, Diamond Bar, CA 91765
Condo
Listed by Yoomi Won of Redpoint Realty


$ 949,000
23064 Paseo De Terrado #2, Diamond Bar, CA 91765
Condo
Listed by Grace Rubio of Re/Max Champions


$ 2,749,000
22621 Ridge Line RD, Diamond Bar, CA 91765
Single Family Home
Listed by Minh Nguyen of Ana Real Estate


$ 1,149,000
1100 Reno Ridge LN, Diamond Bar, CA 91765
Single Family Home
Listed by Jeffrey Egure of KELLER WILLIAMS PREMIER PROPER


$ 1,590,000
3422 Falcon Ridge RD, Diamond Bar, CA 91765
Single Family Home
Listed by Caroline Jin of Real Broker


$ 1,488,888
1594 Deer Crossing DR, Diamond Bar, CA 91765
Single Family Home
Listed by Soonjae Jung of 888 Realty


$ 5,280,000
2611 Steeplechase LN, Diamond Bar, CA 91765
Single Family Home
Listed by Charlene Hoang of Redfin Corporation


$ 3,800
862 Terrace LN W, Diamond Bar, CA 91765
Single Family Home
Listed by HECTOR MARQUEZ of RE/MAX Galaxy


$ 2,060,000
23665 Ridgecrest CT, Diamond Bar, CA 91765
Single Family Home
Listed by Crystal Huan Wang of ReMax 2000 Realty


$ 1,988,000
21109 Willow Heights DR, Diamond Bar, CA 91765
Single Family Home
Listed by Feng Zhou of EXP REALTY OF CALIFORNIA INC


$ 4,280,000
22189 Rim Fire LN, Diamond Bar, CA 91765
Single Family Home
Listed by Diana Cheng of Country Queen Real Estate


$ 4,198,000
23615 Falcons View DR, Diamond Bar, CA 91765
Single Family Home
Listed by WEI BEVERLY ZHANG of RE/MAX Galaxy


$ 899,000
3005 La Paz Lane #C, Diamond Bar, CA 91765
Townhouse
Listed by Vickie Fageol of Coldwell Banker West


$ 780,000
23020 Paseo De Terrado #2, Diamond Bar, CA 91765
Condo
Listed by Larry Black of Better Homes and Gardens Real Estate The Heritage Group


$ 1,495,000
1912 Morning Canyon RD, Diamond Bar, CA 91765
Single Family Home
Listed by Lei Zhang of Real Broker


$ 1,990,000
2819 Steeplechase LN, Diamond Bar, CA 91765
Single Family Home
Listed by Michael Espiritu of REDFIN


$ 537,000
430 Golden Springs DR #C, Diamond Bar, CA 91765
Condo
Listed by Hilary Marks of LEGACY HOMES MANAGEMENT INC


$ 1,249,500
24344 Seagreen Drive, Diamond Bar, CA 91765
Single Family Home
Listed by Lisa Bang of Premier Coastal Realty


$ 2,500
22890 Hilton Head DR #289, Diamond Bar, CA 91765
Condo
Listed by Chittna Chotibhongs of Nationwide Realty


$ 1,290,000
1839 Acacia Hill RD, Diamond Bar, CA 91765
Single Family Home
Listed by Sarah Chan of Engel & Voelkers San Marino


$ 810,000
22933 Estoril DR #1, Diamond Bar, CA 91765
Townhouse
Listed by Christine Kim of RE/MAX GALAXY


$ 949,900
2903 Yucatan PL #A, Diamond Bar, CA 91765
Townhouse
Listed by Michael Espiritu of REDFIN


$ 1,850
23641 Golden Springs DR #C2, Diamond Bar, CA 91765
Condo
Listed by Leah Duckworth of Clockwork Property Management

MORTGAGE CALCULATOR

Get your guide
A for-sale-by-owner (FSBO) transaction requires time, know-how and confidence. If you’re not sure that you have all three, enlisting the services of an advisor — a professional who knows the ins and outs of listing and selling homes successfully — pays off. * Advisors Avoid Emotional Sales
• Advisors Weed Out Unqualified Buyers
• Advisors Negotiate Price
click here to download the file manually.
Market Trends
- Average Sold Price
- Median Sold Price
- Highest Sold Price
- Lowest Sold Price
Market Trends are calculated using MLS® sold listing data

Katy Costello is a dedicated real estate professional with nearly a decade of experience, beginning her career in 2015 in Phoenix, Arizona, before relocating to Orange County, California. Passionate about helping clients build wealth through real estate, she is known for her meticulous research, relentless dedication, and commitment to maintaining the highest standards of integrity in every transaction.
Katy ensures that each client experience is marked by trust, professionalism, and exceptional service. Her approach combines deep market knowledge with a steadfast commitment to helping clients achieve their real estate goals, whether they are buying, selling, or investing.
Outside of her work in California, Katy and her partner Jaime are expecting their first child building their first Airbnb property in El Sargento, Baja California Sur, Mexico. In their free time, they enjoy fishing, exploring the local culture, and indulging in the area's vibrant cuisine.
Katy’s personal and professional experiences fuel her passion for real estate, and she is dedicated to making every client's journey seamless and successful