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Perched in the highly coveted Castro Valley Hills, 4683 Proctor Road stands as a masterfully designed, custom estate built in 2025. Spanning 4,216 SF of uncompromising contemporary living, this residence commands breathtaking Bay views from an expansive lot. Inside, soaring ceilings and rich wide-plank hardwood floors frame a multi-level open layout. The main floor boasts a European inspired chef's kitchen outfitted with modern appliances, oversized quartz waterfall island, and sleek minimal cabinetry. 5 distinct bedroom en-suites include a spectacular main-level primary retreat with an expansive balcony overlooking the Bay. Lower level serves as an entertainment hub and multi-generational haven. Anchored by a family room and culinary station with pre-installed gas and electric connections, 2nd primary suite, dedicated gym, and tea room. Designed for eco-conscious luxury, incorporating energy efficient solar panels, dual-zone HVAC systems and EV charging. Low maintenance landscaping gives way to panoramic California vistas across the bay. This custom estate presents a rare turn-key opportunity for discerning buyers seeking modern design, top-rated schools, impeccable views and an exceptional East Bay lifestyle.
Listing agent: Karol Le DRE #01366466 karol.le@kw.com, Listing office: KW Bay Area Estates
MLS data updated 10/21/2026, 8:05:39 PM PT
Source: CRMLS, MLS #: ML82064741
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
$2,600,000Original asking price · Oct 15, 2026ZIP 94546 · 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.