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Welcome to 6783 ONYX PLACE a recently upgraded & styled home in La Costa Greens which is one of the most desirable coastal communities in north county ** Prime WEST-FACING elevated corner lot offers privacy & a year-round resort experience with a sparkling POOL, Jacuzzi, detached FULL SAUNA, outdoor private shower, BBQ island & covered TV lounge ** LAYOUT SPECS = 5 Bed + Office + Atrium + Detached Bonus Room (currently utilized as bed #6) ** 1ST FLOOR features a gated front breezeway, interior Atrium lounge, 2 full bedrooms, Private Office, elegant Formal Dining, Spacious Chef's Kitchen (gorgeous quartz center island, countertop, Sub Zero fridge) & a spacious Family room anchored by a cozy mantled fireplace ** 2ND FLOOR has 3 Guest Suites, full laundry room, spacious Master Retreat with jetted tub, large walk-in closet & balcony VIEWS of the Omni Golf Course ** The large Garage is equipped with a charging outlet for your EV + BONUS walk-in storage room & Custom Wall Organizer ** ENERGY EFFICIENT = SOLAR SYSTEM is Paid Off + Whole House Attic Fan
Listing agent: Mike Williams DRE #01158547 mikewilliams@kw.com, Listing office: Keller Williams Realty
MLS data updated 10/23/2026, 8:11:39 PM PT
Source: CRMLS, MLS #: NDP2107938
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Aug 13, 2021
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 92009 · 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.