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Land with Home for Sale in St. Helena, California

1740 Conn Valley Rd, St. Helena, CA 94574

$3,850,000
18.9 acres
Active sale
ago
Est $20,690/mo

Discover a rare sanctuary where privacy meets panorama on +/- 18.86 acres of pristine Napa Valley terrain. This exceptional estate captures sweeping views of Lake Hennessey and the dramatic Vaca Mountain ridgeline, while enjoying close proximity to the lake itself a one of Napa Valley's most tranquil natural settings, ideal for hiking, wildlife viewing, and quiet escape. The main residence spans +/- 3,626 square feet with three bedrooms and 3.5 baths, while a delightful +/- 1,200 square foot guest house extends your living space and welcomes friends and family with its own private retreat. With generous scale, a timeless footprint, and exceptional positioning on the land, the estate presents a compelling opportunity to thoughtfully refresh or reimagine the residence to reflect your own vision of modern wine country living. Step outside to find your own private resort: a sparkling pool, wrap-around porch, and expansive terraces invite long afternoons and evening gatherings. The property also offers equestrian amenities including a riding arena and small stable, creating an ideal setting for horse lovers while maintaining wide open space and privacy. Thoughtfully landscaped grounds create natural gathering spaces perfect for intimate dinners or larger celebrations under open skies. Despite its peaceful setting, St. Helena is just minutes awaylegendary wineries, Michelin-starred dining, and sophisticated shops all within easy reach. With remarkable views, usable acreage, and a residence ready for its next chapter, this is a rare opportunity to shape a truly signature Napa Valley estate.

3,626
Sq feet
3
Beds
3
Full baths
1
1/2 bath
1982
Built

Location

Street address
1740 Conn Valley Rd
Elevation
483 feet
Coordinates
38.5074, -122.3795

Directions

From the Silverado Trail, turn onto Howell Mtn Road and continuing following as it turns to Conn Valley Road. Property will be on the left at the end of Conn Valley Road before the Lake Hennessey Shoreline Trail parking and access.

Property details

Acreage
18.87 acres
Source
EV
Posted

Parcels

  • 025200051000

Details and features

Listing

Subtype
Single Family Residence
Franchise
Engel & Völkers

Lot

View
Hills, Lake, Mountain

Exterior

Parking Spaces
10
Parking
Driveway, Garage, Paved or Surfaced

Structure

Stories
2
Heating
Central, Fireplace(s), Heat Pump
Cooling
Central Air

Interior

Rooms
Bathroom x 4, Bedroom x 3
Flooring
Carpet, Tile, Wood
Fireplaces
Yes
Appliances
Dishwasher, Double Oven, Garbage Disposer, Microwave, Range, Refrigerator, Trash Compactor, Washer
Features
Bidet, Cathedral Ceiling(s), Double Vanity, Laminate Counters, Master Downstairs, Walk-In Closet(s)

Listing history

DateEventPriceChangeSource
Mar 11, 2026New listing$3,850,000EV
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This 18.87-acre property is located at 1740 Conn Valley Rd in St. Helena, CA 94574. The property is available for sale for $3,850,000. It has a 3,626 sq ft 3 bedroom, 3 bath house built in 1982.

Checked 2 hours ago — Updated

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