




4683 Proctor Rd, Castro Valley, CA 94546
Completed in 2025 and set on an expansive 10,000+ square foot lot in the Castro Valley Hills, this one-of-a-kind custom-built residence offers 4,216 square feet of uncompromising luxury living with breathtaking Bay views. Soaring 10-foot ceilings, wide-plank hardwood floors, top-of-the-line appliances, and impeccably curated high-end finishes set the tone from the moment you enter. The main level features two bedroom suites — including a grand primary suite — a private office, and a half bathroom, with sweeping Bay views enjoyed from the expansive balcony. The lower level impresses equally with a second primary suite, two additional bedroom suites, a gym and storage room, a half bathroom, and a spacious family room complete with a sophisticated wet bar — perfect for entertaining or multi-generational living. Five bedroom suites, a private office, five full bathrooms, and two half bathrooms in total. A dual-zone HVAC system, solar lease for energy efficiency, and low-maintenance front and back yards round out this extraordinary offering. A rare opportunity to own a brand-new custom estate in one of the East Bay’s most desirable communities — this one truly has it all.
Bedrooms
5
Bathrooms
7
Square Feet
4,216
Lot Size
10,690 sqft
Year Built
2025
Property Type
Single Family Residence
Days on Market
1
HOA Fee
N/A
Garage Total
2
MLS #
41133808
Interior Features
Breakfast Bar, Breakfast Area
Flooring
Tile, Wood
Appliances
Dryer, Washer
Cooling
Central Air
Heating
Forced Air
Total Parking Spaces
2
Garage Spaces
2
Attached Garage
Yes
Parking Features
Garage
Construction
Stucco
Roof
Shingle
Lot Features
Back Yard, Front Yard, Street Level
$0
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Balanced market
Avg. time on market
This is a Balanced Market. Homes are selling at a moderate pace.
Flood Risk
Minimal — not in a FEMA flood zone
Wildfire Risk
Moderate — near wildland-urban interface
Heat Risk
Low — moderate summer temperatures
Earthquake Risk
Southern California seismic zone
Based on price, location, and features
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