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
108 Properties Available
- Default
- Price-High To Low
- Price-Low To High
- Newest Listings
- Beds (Most)
- Baths (Most)
- Year Built (Newest)
- Square Feet (Biggest)
$749,000
21146 Elm St, Castro Valley, CA 94546
MLS# 41132569
Listed by Micheline DeFreitas of BHHS Drysdale Properties

$749,000
23158 Canyon Terrace Dr, Castro Valley, CA 94552
MLS# 41132533
Listed by Lourdes Beaty of RE/MAX Accord

$1,058,000
5265 Winifred Dr, Castro Valley, CA 94546
MLS# 41131950
Listed by Xinh Truong of Compass

$99,800
2091 Altamont Rd, Castro Valley, CA 94578
MLS# 41132383
Listed by Bob Frey of RE/MAX Accord

$998,000
17676 Garland Ct, Castro Valley, CA 94546
MLS# 41132275
Listed by Justin Ma of Cornerstone Realty & Mortgage

$799,000
20024 Leroy Dr, Castro Valley, CA 94546
MLS# 41132169
Listed by Lily Do of Compass

$1,285,000
3488 Brookdale Blvd, Castro Valley, CA 94546
MLS# 41131960
Listed by Jonathan Marsh of EXp Realty of Southern CA, Inc

$998,000
3504 Northwood DR, Castro Valley, CA 94546
MLS# ML82044160
Listed by Brandon Paige of Christie's International Real Estate Sereno

$735,000
2329 Vestal Ave, Castro Valley, CA 94546
MLS# 41131879
Listed by Bob Pace of Vetted Real Estate

$1,248,000
3759 La Costa AVE, Castro Valley, CA 94546
MLS# ML82044067
Listed by Rinn Masumoto of Coldwell Banker Realty

$848,888
19524 Redwood, Castro Valley, CA 94546
MLS# ML82043878
Listed by AJ Del Rosario of Kollab Real Estate

$1,428,888
17939 Lamson Rd, Castro Valley, CA 94546
MLS# 41131701
Listed by Romar De Claro of Coldwell Banker Realty

$650,000
4035 Somerset Avenue, Castro Valley, CA 94546
MLS# 41131642
Listed by Louise Lovewell of RE/MAX Accord

$1,098,888
3439 Wyndale Dr, Castro Valley, CA 94546
MLS# 41131641
Listed by Tim Fiebig of EXP Realty of California, Inc

$4,000
20647 Maria Ct, Castro Valley, CA 94546
MLS# 41131609
Listed by River Collins of 4 Rivers Realty, Inc.

$895,888
22389 Moyers ST, Castro Valley, CA 94546
MLS# ML82038880
Listed by Haleem Ballou of LPT Realty

$429,000
16363 Saratoga St #202E, San Leandro, CA 94578
MLS# 41131503
Listed by Tanja Odzak of eXp Realty of California

$1,698,000
4429 James Ave, Castro Valley, CA 94546
MLS# 41131484
Listed by Jeannine Rinetti of Rinetti & Co., REALTORS®

$959,129
3822 Norbridge AVE, Castro Valley, CA 94546
MLS# ML82043501
Listed by Theresa Mejia of KB Home Sales -Northern California Inc

$1,399,000
4473 Hillsborough Dr, Castro Valley, CA 94546
MLS# 41131303
Listed by Serean Kimmel of RE/MAX Accord

$1,570,000
18596 W Cavendish Dr, Castro Valley, CA 94552
MLS# 41131285
Listed by Danielle Peel of Danielle Peel, Broker

$625,000
20153 Forest Ave #9, Castro Valley, CA 94546
MLS# 41131283
Listed by Sanjiv Nayyar of Redfin

$875,950
4835 Kathleen Ave, Castro Valley, CA 94546
MLS# 41131276
Listed by Sheryl Knudson of Realty ONE Group Future

$1,689,900
6727 Sunnyslope Ave, Castro Valley, CA 94552
MLS# 41131261
Listed by Bob Frey of RE/MAX Accord

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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































