1740 Conn Valley Road St. Helena CA 94574 MLS #326019222

MLS #326019222 image #0
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.
Current real estate data for Single Family in St. Helena as of Jun 05, 2026
82
Single Family Listed
47
Avg DOM
1,492
Avg $ / SqFt
$5,917,933
Avg List Price

Property Details

Price:
$3,850,000
MLS #:
326019222
Status:
Active
Beds:
3
Baths:
4
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
sthelena
Finished Sq Ft:
3,626
Lot Size:
821,977 sqft / 18.87 acres (approx)
Year Built:
1982
PoolCommunity EquestrianSt. HelenaSthelena

Schools

Interior

Appliances
Built-In Electric Oven, Built-In Electric Range, Trash Compactor, Dishwasher, Disposal, Double Oven, Free-Standing Refrigerator, Microwave
Bathrooms
3 Full Bathrooms
Cooling
Central Air, Heat Pump
Fireplaces Total
3
Flooring
Carpet, Tile, Wood
Heating
Central, Fireplace(s), Heat Pump
Interior Features
Cathedral Ceiling(s)
Laundry Features
Cabinets, Dryer Included, Electric, Ground Floor, Inside Room
Levels
Two

Exterior

Garage Spaces
3
Lot Features
Private, Irregular Lot
Open Parking Spaces
7
Other Structures
Guest House
Parking Features
Detached, Garage Door Opener, Uncovered Parking Spaces 2+
Parking Spots
10
Parking Total
10
Patio And Porch Features
Covered Deck, Front Porch
Security Features
Security Gate
Stories
2
View
Hills, Lake, Mountain(s), Vineyard

Financial

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Property Summary

    1740 Conn Valley Road St. Helena CA is a Single Family for sale in St. Helena, CA, 94574. It is listed for $3,850,000 and features 3 beds, 4 baths, and has approximately 3,626 square feet of living space, and was originally constructed in 1982. The current price per square foot is $1,062. The average price per square foot for Single Family listings in St. Helena is $1,492. The average listing price for Single Family in St. Helena is $5,917,933. To schedule a showing of MLS#326019222 at 1740 Conn Valley Road in St. Helena, CA, contact your Compass agent at 707-955-5774.

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1740 Conn Valley Road
St. Helena, CA