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.
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
See this Listing
Schools
Interior
# of Fireplaces
3
Appliances
Built- In Electric Oven, Built- In Electric Range, Compactor, Dishwasher, Disposal, Double Oven, Free Standing Refrigerator, Microwave
Basement
Partial
Bath Features
Bidet, Double Sinks, Shower Stall(s), Tile, Window
Cooling
Central, Heat Pump
Family Room Features
View
Fireplace Features
Family Room, Living Room, Stone, Wood Burning
Flooring
Carpet, Tile, Wood
Full Bathrooms
3
Half Bathrooms
1
Heating
Central, Fireplace(s), Heat Pump
Interior Features
Cathedral Ceiling
Kitchen Features
Breakfast Area, Island w/Sink, Laminate Counter
Laundry Features
Cabinets, Dryer Included, Electric, Ground Floor, Inside Room
Levels
Two
Living Room Features
Cathedral/Vaulted, Deck Attached, Skylight(s), View
Master Bedroom Features
Ground Floor, Walk- In Closet
Exterior
Driveway/Sidewalks
Paved Driveway
Lot Features
Private, Shape Irregular
Parking Features
Detached, Garage Door Opener, Uncovered Parking Spaces 2+
Pool
Yes
RESIVIEW
Hills, Lake, Mountains, Vineyard
Security Features
Security Gate
Spa
No
Stories
2
Financial
HOA
No
Map
Community
- Address1740 Conn Valley 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 13, 2026
66
Single Family Listed
69
Avg DOM
1,232
Avg $ / SqFt
$4,388,379
Avg List Price
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 $1,232. The average listing price for Single Family in St. Helena is $4,388,379.
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Copyright 2026, Bay Area Real Estate Information Services, Inc. All Rights Reserved. Listing courtesy of Pavi Micheli at Engel & Volkers St. Helena
1740 Conn Valley Road
St. Helena, CA


