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
111 Properties Available
- Default
- Price-High To Low
- Price-Low To High
- Newest Listings
- Beds (Most)
- Baths (Most)
- Year Built (Newest)
- Square Feet (Biggest)
$1,349,900
3765 Castro Valley Blvd, Castro Valley, CA 94546
MLS# 41142792
Listed by Jon Ahern of Coldwell Banker Realty

$1,149,950
5034 Rahlves Dr, Castro Valley, CA 94546
MLS# 41142781
Listed by Michael Hyles of Re/Max 1st Choice

$1,699,000
17460 Vineyard Rd, Castro Valley, CA 94546
MLS# 41142681
Listed by Catherine Brent of BHHS Drysdale Properties

$1,158,000
21714 Shadyspring Rd, Castro Valley, CA 94546
MLS# 41142674
Listed by Ted Von Roll of RE/MAX Accord

$1,399,000
3060 Todd Ct, Castro Valley, CA 94546
MLS# 41142542
Listed by Jun Li of Alliance Bay Realty

$1,698,000
18458 Pepper ST, Castro Valley, CA 94546
MLS# ML82055203
Listed by Samantha Cortez of Intero Real Estate Services

$499,000
20278 Forest Ave #4, Castro Valley, CA 94546
MLS# 41142316
Listed by Crystal Huang of KW Advisors East Bay

$1,180,000
3270 Keith Ave, Castro Valley, CA 94546
MLS# 41142285
Listed by Shan Susan Gao of Compass

$1,195,000
19574 Stanton Ave, Castro Valley, CA 94546
MLS# 41142230
Listed by Louise Lovewell of RE/MAX Accord

$799,950
4516 Edwards Ln, Castro Valley, CA 94546
MLS# 41142190
Listed by Tim Fiebig of EXP Realty of California, Inc

$1,349,950
19054 Vannoy CT, Castro Valley, CA 94546
MLS# ML82054699
Listed by Paul Burdick of KW Bay Area Estates

$1,088,888
5195 Camino Alta Mira, Castro Valley, CA 94546
MLS# 41141889
Listed by Kenneth Kremer of Kenneth A. Kremer, Broker

$1,249,000
18747 Sandy Rd, Castro Valley, CA 94546-2425
MLS# 41141832
Listed by Catharina Johansson Ritts of RE/MAX Accord

$1,098,000
25528 Conley Downs Dr, Castro Valley, CA 94552
MLS# 41141580
Listed by Kenneth Er of Compass

$1,099,000
2000 Miramar Ave, Castro Valley, CA 94578
MLS# 41141531
Listed by Yannie Lau of RE/MAX Accord

$948,888
5370 Briar Ridge Drive, Castro Valley, CA 94552
MLS# 41141086
Listed by Cindy Bargas of Intero Real Estate Services

$980,000
16004 Wellington Way, Castro Valley, CA 94578
MLS# 41140728
Listed by Revelina Um of KW Advisors East Bay

$599,000
20153 Forest Ave #9, Castro Valley, CA 94546
MLS# 41140533
Listed by Sanjiv Nayyar of Redfin

$1,325,000
19475 Buren Pl, Castro Valley, CA 94552
MLS# 41140382
Listed by Deanne Batis of RE/MAX Accord

$934,000
6670 Edgewood Way, Castro Valley, CA 94552
MLS# 41140057
Listed by Doreen Francisco LaScala of BHHS Drysdale Properties

$1,599,888
17529 Mayflower DR, Castro Valley, CA 94546
MLS# ML82046540
Listed by Laxmi Penupothula of Intero Real Estate Services

$1,588,888
6727 Sunnyslope Ave, Castro Valley, CA 94552
MLS# 41139764
Listed by Bob Frey of RE/MAX Accord

$888,888
3447 Seven Hills Rd, Castro Valley, CA 94546
MLS# 41139762
Listed by Gregory Silva of EXP Realty of California, Inc

$999,950
4231 Somerset Ave, Castro Valley, CA 94546
MLS# 41139746
Listed by Tim Fiebig of EXP Realty of California, Inc

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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































