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Welcome to 12616 Sierra Rojo Rd, a truly one-of-a-kind geodesic dome home in Valley Center set on 9.82 acres of scenic, low-maintenance rolling hills with breathtaking panoramic views. Built in 1999, this architectural masterpiece blends modern efficiency with timeless design, offering soaring ceilings, abundant natural light, and a peaceful retreat surrounded by nature. This well-maintained estate features a beautiful private pool perfect for enjoying Southern California’s year-round sunshine, along with fully paid solar for energy efficiency and long-term savings. The expansive acreage provides ample space for RV parking, recreational vehicles, horses, or future expansion, making it ideal for those seeking privacy, outdoor living, and room to grow. Whether you're looking for a private country retreat, a unique architectural home, or a Valley Center view property with acreage, this exceptional residence offers endless possibilities. Enjoy tranquil rural living while still being conveniently located near shopping, dining, and major commuter routes. Experience the rare opportunity to own a distinctive geodesic dome estate with land, views, and unmatched character in one of North San Diego County’s most desirable rural communities.
Listing agent: Matt Swisshelm DRE #02029598 mattswisshelmtc@gmail.com, Listing office: Berkshire Hathaway HomeService
MLS data updated 11/1/2026, 9:23:27 PM PT
Source: CRMLS, MLS #: NDP2601501
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Apr 10, 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
$875,000Closed sale · Apr 10, 2026ZIP 92082 · Apr 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.