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40 Long Ranch Road, 
St. Helena, CA 94574

$19,500,000


6

Beds


8

Baths


8,500

Sq Ft


Single Family

Active

Listed by

Ginger Martin

Sotheby'S International Realty

Last updated:

September 5, 2026, 02:48 PM

MLS#

326074851

Source:

CABAREIS

About This Home

40 Long Ranch Road

A Napa Valley estate of extraordinary scale and beauty. Set across 100± acres just minutes from the Silverado Trail in St. Helena, this remarkable private compound unfolds above Lake Hennessey with sweeping water and vineyard views, exceptional privacy, and an extraordinary collection of residences and amenities. At the heart of the estate is a newly remodeled 8,500± sq. ft. residence, where refined architecture meets relaxed Wine Country living. Four bedrooms, four full and two half baths are complemented by two private offices, a sun-filled solarium dining room, wine cellar, chef’s kitchen, and expansive pantry. Venetian plaster walls, floor-to-ceiling Chinkapin oak pocket doors, custom ironwork, walnut hardwood and French limestone floors bring warmth and sophistication throughout. An infinity-edge pool seemingly disappears into the lake beyond, while two detached guest houses—approximately 1,000± and 1,200± sq. ft. — enjoy their own 60-foot lap pool. Beyond the residences, mature gardens and fountains frame a series of intimate and grand entertaining spaces. A full-size tennis court, bocce court, approximately one acre of coveted Pritchard Hill Cabernet vines, and spectacular Lake Hennessey views complete this one-of-a-kind Napa Valley retreat. Private, timeless and virtually impossible to replicate.

Home Facts

Single Family

8 Baths

6 Bedrooms

Built in 2003

Price Summary

19,500,000

$2,294 per Sq. Ft.

MLS #:

326074851

Last Updated:

September 5, 2026, 02:48 PM


Rooms & Interior

Bedrooms

Total Bedrooms:

6

Bathrooms

Total Bathrooms:

8

Full Bathrooms:

6

Interior

Living Area:

8,500 Sq. Ft.


Structure

Structure

Building Area:

8,500 Sq. Ft.

Year Built:

2003


Lot

Lot Size (Sq. Ft):

4,390,848


Finances & Disclosures

Finances

Price:

$19,500,000

Price per Sq. Ft:

$2,294 per Sq. Ft.

Source:CABAREIS
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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.