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


6 Properties Available
- Default
- Price-High To Low
- Price-Low To High
- Newest Listings
- Beds (Most)
- Baths (Most)
- Year Built (Newest)
- Square Feet (Biggest)
- 1/48 48Open Sun 2PM-4PM
$ 1,280,000
3 Beds4 Baths2,110 SqFt1437 4th ST, Calistoga, CA 94515
Single Family Home
Listed by Sissy Riley of Lucky Investment, Inc.
- 1/58 58New
$ 7,095
4 Beds3 Baths2,486 SqFt128 Pewter, Irvine, CA 92620
Single Family Home
Listed by Jeffrey Zhang of eXp Realty of California Inc
- 1/17 17Active
$ 649,000
2 Beds1 Bath875 SqFt1509 Lake St, Calistoga, CA 94515
Single Family Home
Listed by Michael Miller of Hacienda Real Estate
- 1/42 42Active
$ 7,200
4 Beds5 Baths3,432 SqFt106 Alpine, Irvine, CA 92620
Single Family Home
Listed by Tirsa Samiadji of Together Realty
- 1/60 60Active
$ 3,100,000
4 Beds5 Baths3,260 SqFt107 Frontier, Irvine, CA 92620
Single Family Home
Listed by Baby Hu of JC Pacific Corp
- 1/178 178Active
$ 5,750,000
6 Beds8 Baths6,197 SqFt2551 Grant ST, Calistoga, CA 94515
Single Family Home
Listed by Alan Canas of Engel & Völkers
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