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Discover a rare combination of privacy, space, and walkability at 518 Sheffield Avenue, ideally positioned in Cardiff’s sought-after Composer District. Set behind an automatic privacy gate on a quiet, low-traffic street west of I-5, this expansive 6-bedroom, 4.5-bath residence offers approximately 3,826 square feet designed for comfortable everyday living, entertaining, and flexibility. Inside, abundant natural light and generous living spaces create an inviting sense of openness. A main-level en-suite bedroom provides an ideal setup for guests, multigenerational living, or a private retreat, while the remaining bedrooms are thoughtfully located upstairs. The spacious primary suite features dual walk-in closets and a large bath, creating a peaceful escape at the end of the day. At the heart of the home, the upgraded kitchen features a Sub-Zero refrigerator, butler’s pantry, and effortless connection to the surrounding living and entertaining spaces. Fireplaces in the living room, family room, and primary bedroom add warmth and character throughout. Outdoor living is equally impressive. A private courtyard and landscaped backyard offer multiple spaces to gather, dine, and unwind, complete with a fire pit, fountain, pergola, and built-in BBQ. And perhaps the greatest luxury is the location. Enjoy convenient trail access to Encinitas Community Park and easy proximity to Seaside Market, Cardiff Elementary, neighborhood restaurants and shops, and the beaches and surf that define the Cardiff lifestyle.
Listing agent: Jeff Grant DRE #01773893 jeff@sandandseainvestments.com, Listing office: Sand & Sea Investments
MLS data updated 11/2/2026, 12:50:43 PM PT
Source: CRMLS, MLS #: 260020208SD
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Oct 15, 2026
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
$4,200,000Closed sale · Oct 15, 2026ZIP 92007 · 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.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.