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
11 Properties Available In 91001
- Default
- Price-High To Low
- Price-Low To High
- Newest Listings
- Beds (Most)
- Baths (Most)
- Year Built (Newest)
- Square Feet (Biggest)
631 Deodara DR, Altadena, CA 91001
Listed by Huan Gu of Berkshire Hathaway Home Servic$4,900
2650 Catherine RD, Altadena, CA 91001
Listed by Teresa Fuller of COMPASS$1,449,000
585 Mountain View ST, Altadena, CA 91001
Listed by Joseph Kiralla of Modern California House$1,585,000
2107 Santa Rosa AVE, Altadena, CA 91001
Listed by Richard Schulman of Keller Williams Los Angeles$2,699,995
672 W Mendocino ST, Altadena, CA 91001
Listed by Del Lile of COMPASS$1,098,000
1578 Morada PL, Altadena, CA 91001
Listed by Jessica Romero of Keller Williams Realty$2,295,000
379 Buena Loma, Altadena, CA 91001
Listed by Tarah Walker of eXp Realty of Greater Los Angeles, Inc.$1,749,000
1953 Grand Oaks AVE, Altadena, CA 91001
Listed by Kerry Jackson of Coldwell Banker Realty$2,698,000
749 Via Arezzo Place, Altadena, CA 91001
Listed by Daniel O'Bannon of Christopher Development Group$2,329,900
737 Via Arezzo Place, Altadena, CA 91001
Listed by Daniel O'Bannon of Christopher Development Group$1,999,900
752 Via Arezzo Place, Altadena, CA 91001
Listed by Daniel O'Bannon of Christopher Development Group$2,519,900
MORTGAGE CALCULATOR

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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







