4090 Happy Valley Rd, Lafayette, CA 94549
Kat Sellis
Kat Sellis

Agent | License ID: 01858561

+1(925) 899-7779

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Listed by Dana Green • Compass
Bought with Glenn Beaubelle Compass

$ 9,000,000

$ 8,495,000 5.9%

Est. payment /mo
Sold on 05/07/2026

4090 Happy Valley Rd Lafayette, CA 94549

5 Beds

7 Baths

6,211 SqFt

UPDATED:

Key Details

Sold Price $9,000,000

Property Type Single Family Home

Sub Type Detached

Listing Status Sold

Purchase Type For Sale

Square Footage 6,211 sqft

Price per Sqft $1,449

Subdivision Happy Valley

MLS Listing ID 41131390

Bedrooms 5

Full Baths 6

Year Built 1948

Lot Size 2.640 Acres

Property Sub-Type Detached

Property Description

COMING SOON | MAY 1 Live the Dream. Rare Happy Valley Estate. Once-in-a-Generation Opportunity. 4090 HAPPY VALLEY ROAD, LAFAYETTE Main House: 4 Bed + Office + Gym + Media Room | 5 Full + 1 Half Bath | 5,789± Sq. Ft. 1,788± Sq. Ft. 5-Car Garage Guest House: 422± Sq. Ft. with Full Kitchen + Bath Four Covered Loggias: 1,083± Sq. Ft. Combined 2.64± Acre Parcel | Rebuilt in 2017 | Happy Valley, Lafayette Gated. Hidden. Breathtaking. Tucked behind a private, tree-lined entrance on one of Happy Valley's most sought-after addresses, this is the kind of estate that stops you in your tracks. Designed by architect Alan Page, rebuilt in 2017 by McKenzie Gray, and set on 2.64± acres of beautifully landscaped grounds — pool, outdoor kitchen, loggias, water features, bocce court, and guest house included — it delivers resort-style living on a scale rarely available anywhere in the East Bay. Private showings begin May 1. Opportunities like this don't wait.

Location

State CA

County Contra Costa

Interior

Heating Electric, Zoned, Heat Pump, Radiant, Other, Fireplace(s)

Cooling Central Air, Other

Flooring Hardwood

Fireplaces Number 3

Fireplaces Type Gas, Living Room, Stone, Wood Burning, Other

Laundry 220 Volt Outlet, Dryer, Laundry Room, Washer, Cabinets, Sink

Exterior

Garage Spaces 5.0

Pool In Ground, Pool Sweep, Pool/Spa Combo, Outdoor Pool

View Trees/Woods

Building

Lot Description Level, Premium Lot, Back Yard, Front Yard, Landscaped, Security Gate, Sprinklers In Rear

Story 2

Foundation Raised, Other

Water Public

Schools

School District Acalanes (925) 280-3900, Lafayette (925) 280-3900

Others

Special Listing Condition Standard

Bay East Association of Realtors
© 2026 BEAR, CCAR, bridgeMLS. This information is deemed reliable but not verified or guaranteed. This information is being provided by the Bay East MLS or Contra Costa MLS or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website.
Kat Sellis

Kat Sellis

Agent | License ID: 01858561

+1(925) 899-7779

GET MORE INFORMATION

Name
Phone*
Message

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4090 Happy Valley Rd