Recently Listed Open House 1/18 1pm - 4pm
4040 LOS ARABIS DRIVE
Lafayette, CA, 94549 $ 4,750,000
Bedrooms5 Baths4.1 Sq 5,014 Monthly Estimate*
$ 29,247
for $4,750,000 with 5 bedrooms and 4 full baths, 1 half bath. This 5,014 square foot home was built in 1941 on a lot size of 2.96.
Offered for first time in 52 years, rare opportunity to own one of Happy Valley’s premier gated estates—quiet, private & ideally located. Set on approx 2.96± acres this primarily one-level residence offers timeless architecture & exceptional indoor-outdoor living, ideal proximity to commute routes, downtown, Lafayette Reservoir, Oakwood Athletic Club, top-rated Happy Valley Elementary & miles of scenic trails. The 5,014± sq ft home is oriented around gardens, brick patios & natural vistas, with numerous French doors & picture windows framing the landscape. Interiors feature wood paneled walls, hardwood floors, vaulted ceilings, bay windows, statement lighting & generous, flexible living spaces. Chef’s kitchen includes top the line appliances, large center island, pantry, marble baking nook & Dutch door to brick terrace and open to the family room. Formal living & dining rooms anchor the home with grand wood-burning fireplace, soaring ceilings, chandeliers & 5 sets of French doors. Bedroom wing includes primary suite w/ garden access, spa-like bath w/custom closets, Jack-&-Jill bedrooms, en-suite guest room & flexible bonus spaces. Grounds feature gorgeous pool w/spa, brick patios, expansive lawns, mature trees & redwood deck—creating a private, resort-like retreat!
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Open House
1/18/2026 1:00 PM - 4:00 PM
4040 LOS ARABIS DRIVE Lafayette, CA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm
FeaturesGeneralLiving Area 5014
Sewer PublicSewer
Heating ForcedAir
Cooling None
Possession CloseOfEscrow
Roof Shingle
Appliances GasWaterHeater Dryer Washer
Garage Spaces 3
Patio/Porch Features Patio
Architectural Style Ranch
Pool Features InGround
Construction Materials WoodSiding
Year Built 1941
View Hills
Stories Count 1
Levels One
Property Subtype SingleFamilyResidence
County Contra Costa
New Construction false
Property Type Residential
HOA false
Attached Garage true
Subdivision Name HAPPY VALLEY
Garage Y/N true
Other Structures Storage
Full Baths 4
Status Active
Directions Upper Happy Valley Road to Los Arabis Drive Cross Street: Upper Happy Vall.
City Lafayette
High School District Acalanes
Lot Size Units SquareFeet
Lot Size Square Feet 128938
Listing Terms Cash Conventional
Standard Status Active
Occupancy Type Owner
Virtual Tour https://4040losarabis.com
Property Sub Type Additional SingleFamilyResidence
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InteriorInterior Amenities BreakfastBar
Flooring Carpet Tile Wood
Fireplace Features FamilyRoom LivingRoom
Air Conditioning Y/N false
Heating Y/N true
Fireplace Y/N true
Half Baths 1
Total Bedrooms 5
Total Baths 5
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ExteriorParking Features Garage GarageDoorOpener
Lot Features BackYard CornerLot FrontYard Garden SprinklersInRear SprinklersInFront SprinklersTimer
Total Parking 3
Lot Size Area 128938
Foundation Details Raised
Lot Size Acres 2.96
Private Pool false
Lot Size Source Measured
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* Excluded FeaturesList Byfinola.fellner@compass.comEmail
Affordability Calculator
- Monthly Principal & Interest
- $29,247
- 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 $2,921,174
Percent of Sale Price 39%
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 |
|---|
| 1/13/2026 | $4,750,000 | | Listed Price |