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Welcome to 10635 Costello, A Must See Dream Home Situated in the Beautiful Barcelona Community of Upper Tustin Ranch. This Popular Floor Plan Features Soaring Ceilings, Beautiful Staircase, and Ample Natural Light. The Family Room is Open to The Kitchen Which is Perfect for Entertaining. The Kitchen Features Beautiful Granite Counters & Plenty of Cabinet Space. The Oversized Island & Pantry Make this Kitchen a Perfect 10! The Living Room & Dining Rooms Have Great Views of The Perfectly Landscaped Backyard. The Large Master Suite Boasts High Ceilings, Separate Tub & Shower, Dual Vanity, Large Walk-In Closet, and View of Avocado Groves. The Upstairs also Features Two Additional Bedrooms and a Completely Remodeled Jack-n-Jill Bathroom. The Perfectly Manicured Backyard Includes a Spacious Patio and Spa. This Premier Location is Steps From Numerous Parks, Hiking & Biking Trails, and Award Winning Schools! This Home is a Must See!
Listing agent: John Katnik DRE #01881694 OFFER@KATNIKBROTHERS.COM, Listing office: Katnik Brothers R.E. Services
MLS data updated 10/30/2026, 2:01:09 AM PT
Source: CRMLS, MLS #: PW15100167
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Jul 27, 2015
Prices use the left axis; mortgage rates use the right. Hover, tap, or focus the chart and use the arrow keys. Red SOLD badges mark recorded sales.
This home · nearest recorded event
No recordNo property-price record in this range.ZIP 92782 · Oct 2026
No monthly averageAt least 3 eligible sales in this month are required.30-year fixed mortgage benchmark
No weekly rateNo published rate within 7 days of this date.No recorded sales in this range. Select All available for older records; missing records do not mean the home never sold.
ZIP averages use publicly displayable closed sales from our licensed MLS feed, matched to the same ZIP and exact property type. Months with fewer than 3 sales are omitted; the current month is incomplete. Lines connect available monthly observations across gaps and do not represent measured prices in missing months. These averages are not adjusted for size, condition, or location within the ZIP, and are not an appraisal. Feed coverage may not include every sale. All available shows the available home and ZIP history, with mortgage rates over the same dates.
Mortgage benchmark: Freddie Mac Primary Mortgage Market Survey®. © Freddie Mac. Weekly national 30-year fixed rates, not APRs or a loan quote. Actual terms vary. Methodology changed in November 2022. The chart does not establish that interest-rate changes caused a home’s price changes.
Lines connect recorded asking and sale prices. They are visual guides, not estimates of the home’s value between those dates.
No earlier records were returned by our current sources. This does not mean the home has never sold.
MLS records may be incomplete. Earlier asking prices are not sale prices.