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Welcome to 15 Dias Court, an exceptional custom-built estate gracefully positioned on a quiet cul-de-sac in the rolling hills of El Sobrante. Set on a generous 10,000 sq ft lot, this exceptional residence offers 2,709 sq ft of thoughtfully designed living space, blending privacy, comfort, and sweeping panoramic hill and valley views. Designed for both elegant entertaining and everyday comfort, the home features 4 bedrooms plus a versatile den and 3 full bathrooms. Formal living and dining rooms exude sophistication, while the spacious family room with café area creates a warm, inviting atmosphere. The designer kitchen is beautifully appointed with quartz countertops, semi-custom cabinetry, stainless KitchenAid appliances, and a built-in beverage center. The luxurious primary suite offers a serene retreat complete with a generous walk-in closet, while each bedroom opens to a balcony through classic French doors, creating a seamless connection to the outdoors. A downstairs spa-inspired bath elevates daily living with heated floors, a steam shower, and ambient lighting, and three fireplaces throughout the home add warmth and timeless appeal. The backyard unfolds as a private, park-like retreat—thoughtfully designed with an expansive deck, elegant pergola, and paved patio ideal for entertaining or quiet relaxation. Lush, drought-tolerant landscaping is complemented by mature fruit trees and a serene fountain, creating a tranquil setting that invites seamless indoor-outdoor living. Additional highlights include a spacious 2-car garage with storage, Tuff Shed, EV charger outlet, and energy-efficient systems throughout. Ideally located near everyday conveniences and local favorites, you’ll find shopping just minutes away at Trader Joe’s, Sprouts, Target, Nordstrom Rack, and HomeGoods. Enjoy a variety of nearby dining options including Los Cerros, Cafe Soleil, Sue’s Place, Pear Street, Butter Pecan Bakery, and The Good Table Café at Planting Justice Nursery. For a scenic escape, Castro Ranch Road and Alhambra Valley Road lead to Balestrieri Family Farm—perfect for wine tasting and weekend outings. Commuting is effortless with a 12-minute drive to Orinda BART via San Pablo Dam Road, convenient access to nearby AC Transit bus lines, and seamless connectivity to Interstates 80 and 580, as well as Highways 4 and 24. This exceptional location offers the perfect balance of convenience and tranquil East Bay living. Views: Ridge
Listing agent: Sarah Torney DRE #01945167 sarah.torney@bhghome.com, Listing office: BHG RE Reliance Partners
MLS data updated 11/1/2026, 7:30:55 AM PT
Source: CRMLS, MLS #: 41130911
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Jun 4, 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
$1,215,000Closed sale · Jun 4, 2026ZIP 94803 · Jun 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.