Extraordinary 2-parcel ultra-private 4.46-acre estate in the heart of Lafayette’s Happy Valley. This iconic estate was transformed by Kellie Beaubelle of The Beaubelle Group who ensured the design not only looked beautiful but lived beautifully. Enter through a double-gated circular drwy. 7500+/-SF. Single lvl home. White oak flrs. Custom Bellbridge wool carpet. Moroccan plaster walls. Curated fixtures. Raised ceilings. Multiple French drs. 5 bds. 6.5 bths w/marble finishes, custom vanities, fixtures. Inclds pvt au pair/guest ste. & luxurious primary retreat w/spa-inspired en suite, dual vanities, free-standing tub, dual walk-in closet rms w/custom built-ins. Adjacent workout rm. Great rm w/frpl, 3 sets of French drs open to bkyd. Formal dining rm. Executive office w/frpl. Bonus/game rm w/frpl. Spectacular gourmet kitchen w/Viola marble counters, custom cabinetry, 60” Wolf dual oven range, 48’ Thermador frig/freezer + extra Sub-Zero frig, 50+bottle wine frig, dual Bosch DWs. Sitting rm w/built-in banquette, cabinetry. Park-like bkyd. Brick patio. 42-ft pool. Tennis ct. Sprawling synthetic turf. Lush foliage. Mature trees. 3, 2-car garages, 2 mudrms w/built-ins. Endless possibilities to further develop land. Less than 2 mi to downtown; easy walk to Happy Valley Elem.
MLS #
CC41103793
MLS Source
Contra Costa Association of Realtors
Days on Site
10
Bathrooms
Double Sinks, Primary - Skylight(s), Primary - Solid Surface, Primary - Tile, Primary - Tub, Primary - Updated Bath(s), Tile, Tub, Updated Bath(s), Window
Kitchen
Breakfast Nook, Countertop - Solid Surface / Corian, Countertop - Stone, Eat In Kitchen, Island, Kitchen/Family Room Combo, Pantry, Updated
Appliances
Dishwasher, Garbage Disposal, Microwave, Oven - Double, Oven Range, Oven Range - Gas, Refrigerator, Dryer, Washer
Dining Room
Formal Dining Room
Family Room
Separate Family Room
Fireplace
Den, Gas Starter, Living Room, Other, Stone
Flooring
Carpet - Wall to Wall, Hardwood, Stone, Tile
Laundry
In Laundry Room
Cooling
Central -1 Zone
Heating
Heating - 2+ Zones
Roof
Composition
Foundation
Raised, Crawl Space
Pool
Gunite, Heated - Gas, In Ground, Sweep
Style
Custom, Traditional
Garage/Parking
Access - Interior, Attached Garage, Enclosed, Garage, Gate/Door Opener, Garage: 6 Car(s)
High School District
Acalanes Union High
Sewer
Public Sewer
Water
Public
3828 Happy Valley Road is a Single Family Residence in Lafayette, CA 94549. This 7,500 square foot property sits on a 4.46 Acres Lot and features 5 bedrooms & 6 full and 1 partial bathrooms. It is currently priced at $11,500,000 and was built in 1950.
This address can also be written as 3828 Happy Valley Road, Lafayette, CA 94549.©2025 Contra Costa Association of Realtors. All rights reserved. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information provided is for personal, non-commercial use by the viewer and may not be redistributed without explicit authorization from Contra Costa Association of Realtors.
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This listing information is up-to-date as of July 14, 2025. For the most current information, please contact Glenn Beaubelle, (925) 200-5011