1740 Conn Valley Rd, St. Helena, CA

$3,850,000

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3

Beds

4

Baths

3,626

Square feet

18.87

Acres

About 1740 Conn Valley Rd

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.

Features of 1740 Conn Valley Rd

MLS® # 326019222
Price $3,850,000
Bedrooms 3
Bathrooms 4.00
Full Baths 3
Half Baths 1
Square Footage 3,626
Acres 18.87
Year Built 1982
Type Residential
Sub-Type Single Family Residence
Status Active

Community Information

Address 1740 Conn Valley Rd
Area St. Helena
City St. Helena
County Napa
State CA
Zip Code 94574-9624

Amenities

Utilities Cable Available, Electric, Internet Available, Propane
Parking Spaces 10
Parking Detached, Garage Door Opener, Uncovered Parking Spaces 2+
Garage Spaces 3
View Hills, Lake, Mountains, Vineyard
Has Pool Yes
Pool Yes

Interior

Heating Central, Fireplace(s), Heat Pump
Cooling Central, Heat Pump
Fireplace Yes
Fireplaces Family Room, Living Room, Stone, Wood Burning

Exterior

Lot Description Private, Shape Irregular

Listing Map

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Listing courtesy of Pavi Micheli of Engel & Volkers St. Helena

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Listing information last updated on July 17th, 2026 at 4:06pm CDT.