MARKET SNAPSHOT
- ?Sold Listings
- ?Average Sales Price
- ?Average Days on Market
- Any
- $ 100,000
- $ 150,000
- $ 200,000
- $ 400,000
- $ 800,000
- Any
- $ 200,000
- $ 300,000
- $ 400,000
- $ 600,000
- $ 1,000,000
- List
- Mixed
- Map
218 Properties Available
- Default
- Price-High To Low
- Price-Low To High
- Newest Listings
- Beds (Most)
- Baths (Most)
- Year Built (Newest)
- Square Feet (Biggest)
$1,499,000
21040 Ambushers, Diamond Bar, CA 91765
MLS# TR26125566
Listed by Anna Yang of New Star Realty & Inv.

$775,000
227 N Pintado, Diamond Bar, CA 91765
MLS# PW26125579
Listed by Felipe Gallardo of Re/Max Partners

$1,479,000
24324 Knoll CT, Diamond Bar, CA 91765
MLS# TR26125220
Listed by Jonathan Minerick of Homecoin.com

$1,080,000
23834 Sunset Crossing, Diamond Bar, CA 91765
MLS# TR26122321
Listed by Thomas Hung of Exp Realty of California Inc

$619,800
450 Golden Springs DR #D, Diamond Bar, CA 91765
MLS# WS26123428
Listed by Janice Shin of Pinnacle Real Estate Group

$433,000
22804 Hilton Head DR #40, Diamond Bar, CA 91765
MLS# WS26118948
Listed by JOHNNY TSENG of Pinnacle Real Estate Group

$1,535,000
1135 Summitridge DR, Diamond Bar, CA 91765
MLS# PW26123256
Listed by Michael La of Coldwell Banker Best Realty

$918,000
2127 Evergreen Springs Drive, Diamond Bar, CA 91765
MLS# CV26121734
Listed by Christina Lam of KELLER WILLIAMS PREMIER PROPER

$1,468,000
1303 Holly Leaf Way, Diamond Bar, CA 91765
MLS# TR26119233
Listed by Ethan Jeng of Exp Realty of California Inc

$1,345,000
22608 Red Fir LN, Diamond Bar, CA 91765
MLS# TR26118098
Listed by Yuan Le of Ricky&Jessie Realty

$1,379,999
1348 Rolling Knoll RD, Diamond Bar, CA 91765
MLS# TR26117466
Listed by Feng Popeney of Pan Feng Realty Inc

$534,999
24242 Sylvan Glen RD #G, Diamond Bar, CA 91765
MLS# SR26116149
Listed by Laura Getzoff of RE/MAX One

$1,299,999
1423 Copper Mountain, Diamond Bar, CA 91765
MLS# TR26115009
Listed by Samuel Castorena of Samuel G. Castorena Jr

$1,050,000
1160 N Del Sol, Diamond Bar, CA 91765
MLS# AR26113535
Listed by Ryan Go of Coldwell Banker Dynasty Arc.

$1,159,999
23930 Sapphire Canyon, Diamond Bar, CA 91765
MLS# CV26113099
Listed by Hiljin Sabangan of Deluxe Realty

$479,900
22886 Hilton Head DR #139, Diamond Bar, CA 91765
MLS# TR26098254
Listed by Justin Eden of KW College Park

$1,285,000
1507 Kiowa Crest DR, Diamond Bar, CA 91765
MLS# PW26081692
Listed by Austin Choi of Coldwell Banker Best Realty

$1,191,000
1109 Overlook Ridge, Diamond Bar, CA 91765
MLS# TR26044500
Listed by Yuet Lee of Real Broker

$2,700
24326 Sylvan Glen, Diamond Bar, CA 91765
MLS# TR26125822
Listed by Chris Lin of ReMax 2000 Realty

$649,999
1685 DIAMOND BAR BLVD, Diamond Bar, CA 91765
MLS# IG26122090
Listed by Cindy MacCubbin of First Team Real Estate

$1,425,000
23671 Meandering Creek, Diamond Bar, CA 91765
MLS# TR26124969
Listed by Michael Chang of Keller Williams Realty

$4,500
21355 Chirping Sparrow RD, Diamond Bar, CA 91765
MLS# TR26124876
Listed by Christopher Helmich of Vantage Property Management

$799,000
2004 Silver Hawk Dr. #1, Diamond Bar, CA 91765
MLS# TR26121111
Listed by Diana Cheng of Country Queen Real Estate

$1,900
23617 Golden Springs DR #K-28, Diamond Bar, CA 91765
MLS# CV26123376
Listed by Rosa Scalio of Century 21 Masters

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Market Trends
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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































