0 Conn Valley Rd

St. Helena, CA 94574

$3,900,000
Price
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Beds
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Baths
—Sq. Ft.
— / Sq. Ft.
—
Sq. Ft.
—
per Sq. Ft.
a front view of a house with a yard
a view of a house with a yard
view of a bathroom with a bathtub
a front view of a house with garden

Description

A rare opportunity to restore Napa Valley's last unrestored pre-Prohibition winery. Located along Conn Valley Road, this historic 1870 stone-and-redwood winery is one of only 42 pre-Prohibition winery structures in Napa Valley and the only believed to remain within its original 19th-century context. While requiring extensive renovation, the three-story, +/- 13,034-square-foot stone winery features milled redwood beams, twenty hand-hewn arched doors and windows, and 300 feet of frontage along Conn...A rare opportunity to restore Napa Valley's last unrestored pre-Prohibition winery. Located along Conn Valley Road, this historic 1870 stone-and-redwood winery is one of only 42 pre-Prohibition winery structures in Napa Valley and the only believed to remain within its original 19th-century context. While requiring extensive renovation, the three-story, +/- 13,034-square-foot stone winery features milled redwood beams, twenty hand-hewn arched doors and windows, and 300 feet of frontage along Conn Valley Road. The property benefits from a permanent, transferable Napa County winery use permit allowing 20,000 gallons of production, 120 visitors per week, 19 events annually, and a full commercial kitchen a highly uncommon entitlement combination. A 2,200 sq. ft. historic barn is permitted for office and flexible use. Conceptual site plans have been approved, with infrastructure in place including a developed water source, approved wastewater system, completed percolation testing, and three-phase power available adjacent to the site. Set on approximately +/- 2 acres in a quiet rural corridor just minutes from St. Helena, Meadowood Resort and Lake Hennessey, and surrounded by some of Napa Valley's most acclaimed estates. Offered unrestored and unbranded, this property presents a singular opportunity to revive an authentic Napa Valley winery with irreplaceable historic and entitlement value.
  1. Listed by Will Densberger • DRE #01811932 • Brokerage DRE #02068841 • Engel & Volkers St. Helena
  2. Listed by Pavi Micheli • DRE #01157852 • Brokerage DRE #02068841 • Engel & Volkers St. Helena

Property Details for 0 Conn Valley Road

Zoning Description
Agricultural
Cross Street
Rossi Road
LISTING UPDATED: 01/16/2026 01:02 PM

Property Details for 0 Conn Valley Road

StatusActive
MLS #326003668
Days on Compass14
Taxes-
HOA Fees-
Condo/Co-op Fees-
Compass TypeMobile/Manufactured
MLS TypeLand / Commercial Lot
Year Built-
Lot Size2.00 AC / 87,120 SF
CountyNapa County

Location

Listing Courtesy of Engel & Volkers St. Helena, Will Densberger, DRE #01811932; Engel & Volkers St. Helena, Pavi Micheli, DRE #01157852
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Building Information for 0 Conn Valley Road

Stories-Residences-Year Built-Lot Size2.00 AC / 87,120 SF

Payment Calculator

$19,008 per month

30 year fixed, 6.15% Interest

Principal and Interest

$19,008

Property Taxes

$0

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 0 Conn Valley Road

Summary
Location and General Information
  • Area/District: St. Helena
  • Area Short Display: E0600
  • Directions to Property: From the Silverado Trail, turn onto Howell Mtn Road, which continues on to Conn Valley Road. Property is across the street from 1291 Conn Valley Road.
  • Area Long Display: St. Helena
Taxes and HOA Information
  • Association: No
  • Association Fee: $0
  • APN: 025-180-017-000
Virtual Tour
  • Virtual Media Count: 0
Property
Lot Information
  • Lot Size Source: Assessor Auto-Fill
  • Lot Size Square Feet: 87120.0
  • Lot Features: See Remarks
  • # of Lots: 1
Property and Assessments
  • Current Use: Agricultural, Vacant
  • Picture Count: 5
  • Property Disclaimer: All data, photos, visualizations, and information regarding a property, including the property's compliance with state and local legal requirements and all measurements and calculations of area, have been obtained from various sources, and may include such material that has been generated by use of artificial intelligence. Such information and material have not been and will not be verified for accuracy by the listing broker or the multiple listing service, and are not guaranteed as complete, accurate or reliable. Such information and material should be independently reviewed and verified for accuracy. This information and material are intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Utilities
  • Electric: Electric Available
  • Sewer: None
  • Water Source: Well Water Private
  • Utilities: Water Available
Interior and Exterior Features
Exterior Features
  • Fencing: None
  • Horse Property: No

Property History for 0 Conn Valley Road

DateEvent & SourcePriceAppreciation
Jan 16, 2026

Listed (Active)

REBAREIS #326003668

$3,900,000—
Dec 31, 2019

Expired

REBAREIS #21827365

—
Dec 31, 2019

Listed (Active)

REBAREIS #21827365

—
Nov 30, 2019

Expired

REBAREIS #21827365

—
Nov 2, 2018

Listed (Active)

REBAREIS #21827365

$3,995,000—
DateEvent & SourcePrice
01/16/2026

Listed (Active)

REBAREIS #326003668

$3,900,000
12/31/2019

Expired

REBAREIS #21827365

—
12/31/2019

Listed (Active)

REBAREIS #21827365

—
11/30/2019

Expired

REBAREIS #21827365

—
11/02/2018

Listed (Active)

REBAREIS #21827365

$3,995,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Schools near 0 Conn Valley Road

This home is within Saint Helena Unified School District.
Rating
School
Type
Grades
Distance
Saint Helena Primary School
Public - K to 2
Saint Helena Elementary School
Public - 3 to 5
Robert Louis Stevenson Intermediate School
Public - 6 to 8
Saint Helena High School
Public - 9 to 12
Rating
School
Distance
Saint Helena Primary School
PublicK to 2

Saint Helena Elementary School
Public3 to 5

Robert Louis Stevenson Intermediate School
Public6 to 8

Saint Helena High School
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 0 Conn Valley Road, St. Helena, CA 94574

0 Conn Valley Road is a mobile/manufactured home for sale in St. Helena, CA 94574. This property was listed for sale on January 16, 2026 by Engel & Volkers St. Helena, it's currently listed at $3,900,000. This listing's school district is Saint Helena Unified School District. Nearby schools include Saint Helena Primary School, Saint Helena Elementary School and Robert Louis Stevenson Intermediate School. 0 Conn Valley Road is a 0-bed, 0-bath, mobile/manufactured home.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Engel & Volkers St. Helena, Will Densberger, DRE #01811932; Engel & Volkers St. Helena, Pavi Micheli, DRE #01157852

Based on information from one of the following Multiple Listing Services: San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.