3937 Happy Valley Rd.
Lafayette, CA, 94549 $ 8,398,000
Bedrooms4 Baths4.1 Sq 4,538 Monthly Estimate*
$ 51,708
for $8,398,000 with 4 bedrooms and 4 full baths, 1 half bath. This 4,538 square foot home was built in 2009 on a lot size of 0.92.
A rare, gated Estate in one of Lafayette's most coveted neighborhoods. Set on just under a flat acre, this extraordinary single-level property (Kathleen Burke Design) offers an approximate total of 5,740 square feet of living space, which includes a beautifully appointed 1,202-square foot guest house. A private serpentine drive leads to lush gardens, mature specimen trees, and resort-inspired grounds that create an unparalleled sense of privacy and tranquility. The main residence features four bedrooms (two currently set up as a TV room and office with built-ins) and four and one half bathrooms, expansive living spaces with hardwood flooring throughout, a stunning chef's kitchen and island with professional-grade appliances, and seamless indoor-outdoor flow through multiple French doors opening to the spectacular backyard. The luxurious primary suite offers direct patio access, custom finishes, and a spa-inspired bath, dual walk-in closets are thoughtfully designed with extensive custom cabinetry by Lloyds Custom Cabinets. Outdoors, the property transforms into a private botanical haven where meandering garden paths, curated landscaping, mature trees, and expansive entertaining spaces create an atmosphere of serenity and seclusion rarely experienced. Designed for entertaining and everyday enjoyment, the grounds showcase a outdoor dining area, sparkling rectangular pool, separate spa, built-in BBQ station, putting green, firepit, multiple gathering areas, and beautifully curated landscaping. At the heart of the guest house is a spacious great room featuring vaulted ceilings, a large fireplace, and an open-concept kitchen and dining area - providing a welcoming escape ideal for extended stays, entertaining, or relaxed everyday living. The guest house includes: two bedrooms, full bath, and laundry. From sunrise to evening glow, this extraordinary property is simply magical at every hour of the day and evening. Other features include, but not limited to: a Elan Smart Home system, solar system with Tesla power walls/battery back-up, speaker-sound system throughout home; garage with ample storage and a catering/pantry closet.
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FeaturesGeneralLiving Area 4538
Heating Forced Air Solar
Cooling Central Air
Possession Negotiable
Roof Shingle
Appliances Gas Water Heater Dryer Washer
Garage Spaces 2
Patio/Porch Features Front Porch Patio
Architectural Style Traditional
Pool Features Gas Heat In Ground Pool Cover
Construction Materials Stone Wood Siding
Year Built 2009
View Hills Trees/Woods
Stories Count 1
Levels One
Property Subtype Single Family Residence
Accessibility Other
County Contra Costa
New Construction false
Property Type Residential
HOA false
Attached Garage true
Subdivision Name HAPPY VALLEY RD
Garage Y/N true
Other Structures Guest House Storage
Full Baths 4
Status Active
Directions Cross Street: Valley View Rd..
City Lafayette
High School District Acalanes
Lot Size Units Square Feet
Lot Size Square Feet 40075
Listing Terms Cash Conventional
Standard Status Active
Occupancy Type Owner
Property Sub Type Additional Single Family Residence
Expected Active Date 2026-06-08
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InteriorInterior Amenities Breakfast Area Eat-in Kitchen
Flooring Carpet Stone Tile Wood
Fireplace Features Gas Gas Starter Living Room
Air Conditioning Y/N true
Heating Y/N true
Window Features Screens
Fireplace Y/N true
Half Baths 1
Total Bedrooms 4
Total Baths 5
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ExteriorParking Features Garage Garage Door Opener Other
Lot Features Back Yard Front Yard Garden Sprinklers In Rear Sprinklers In Front Secluded Sprinklers Timer Sprinklers On Side Street Level Yard
Total Parking 2
Lot Size Area 40075
Lot Size Acres 0.92
Private Pool false
Lot Size Source Other
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* Excluded FeaturesList Byglenn@thebeaubellegroup.comEmail
Affordability Calculator
- Monthly Principal & Interest
- $51,708
- Monthly Property Taxes
- --
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbySingle family listings in Lafayette, CA
Average List Price $2,413,285
Percent of Sale Price 71%
About Lafayette, CA 24,417 Population
5% Since 2002
$ 144,888 Median Income
47.85 Median Age
33% Households with Children
Trends Information provided by ATTOM Data Solutions.
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 6/8/2026 | $8,398,000 | | Listed Price |