Prepare to be dazzled. Only minutes from the Silverado Trail in St. Helena, this extraordinary 40 acre landscaped compound captures sweeping views over Lake Hennessey. The estate includes an 8,500 sq. ft. main residence and 2 detached guest houses of 1,000 and 1,200 sq. ft. offering the ultimate in privacy and flexibility. Recently remodeled by Hurley Hafen, the 4-bedroom, 4 full baths and 2 half-bath the main residence is a beautifully designed. Highlights include an infinity-edge pool overlooking the lake, Venetian plaster walls, floor-to-ceiling oak pocket doors, custom ironwork doors and windows, walnut hardwood and French limestone floors, 2 offices, a wine cellar, a chef’s kitchen, with new catering kitchen. The grounds are equally compelling, featuring multiple pools including a stunning 60-foot lap pool at the guest houses, mature gardens, approximately one acre of Pritchard Hill Cabernet vines, expansive entertaining areas, a full-size tennis court, bocce court, fountains, and panoramic lake views throughout. An adjacent 60 acre parcel with 11 plantable acres is available separately for $3.5M, or both parcels may be acquired together for $21.5M, reflecting a $500K combined offering value.
Property Details
Price:
$18,500,000
MLS #:
326004097
Status:
Active
Beds:
6
Baths:
8
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
rutherford
Finished Sq Ft:
10,700
Lot Size:
1,771,150 sqft / 40.66 acres (approx)
Year Built:
2003
See this Listing
Schools
Interior
# of Fireplaces
7
Appliances
Built- In Gas Range, Built- In Refrigerator, Dishwasher, Double Oven, Hood Over Range, Ice Maker, Microwave, Self/Cont Clean Oven
Basement
None
Bath Features
Marble, Tile, Tub
Cooling
Central
Electric
Generator
Family Room Features
Open Beam Ceiling, View, Other
Fireplace Features
Family Room, Gas Starter, Outside, Primary Bedroom, Wood Burning
Flooring
Stone, Wood
Full Bathrooms
6
Half Bathrooms
2
Heating
Central, Fireplace(s), Gas
Interior Features
Cathedral Ceiling, Formal Entry, Wet Bar
Kitchen Features
Breakfast Area, Butcher Block Counters, Butlers Pantry, Island, Island w/Sink, Marble Counter
Laundry Features
Dryer Included, Inside Room, Washer Included
Levels
Two
Living Room Features
Cathedral/Vaulted, Great Room, Open Beam Ceiling, View, Other
Master Bedroom Features
Ground Floor, Outside Access, Sitting Area, Walk- In Closet, Walk- In Closet 2+
Exterior
Construction
Plaster, Stone, Stucco, Wood, Wood Siding
Driveway/Sidewalks
Gated, Paved Driveway
Exterior Features
Built- In Barbeque, Covered Courtyard
Lot Features
Auto Sprinkler F& R, Auto Sprinkler Front, Garden, Lake Access, Landscape Back, Landscape Front, Secluded
Parking Features
Attached, Garage Door Opener, Side-by- Side
Pool
Yes
RESIVIEW
Lake, Mountains, Valley, Vineyard, Water
Roof
Tile
Security Features
Carbon Mon Detector, Fire Alarm, Security System Owned, Smoke Detector
Stories
2
Financial
HOA
No
Map
Community
- Address40 Long Ranch Road St. Helena CA
- CitySt. Helena
- CountyNapa
- Zip Code94574
Subdivisions in St. Helena
Market Summary
Current real estate data for Single Family in St. Helena as of Apr 14, 2026
67
Single Family Listed
69
Avg DOM
1,230
Avg $ / SqFt
$4,364,597
Avg List Price
Property Summary
- 40 Long Ranch Road St. Helena CA is a Single Family for sale in St. Helena, CA, 94574. It is listed for $18,500,000 and features 6 beds, 8 baths, and has approximately 10,700 square feet of living space, and was originally constructed in 2003. The current price per square foot is $1,729. The average price per square foot for Single Family listings in St. Helena is $1,230. The average listing price for Single Family in St. Helena is $4,364,597.
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Copyright 2026, Bay Area Real Estate Information Services, Inc. All Rights Reserved. Listing courtesy of Ginger Martin at Sotheby’s International Realty
40 Long Ranch Road
St. Helena, CA



