Save
Ask
Tour
Hide
Share
$4,900,000
3 Days On Site

1003 Charter Oak Avenue
St. Helena, CA 94574

For Sale|Single Family Residence|Active
4
Beds
4
Total Baths
3
Full Baths
1
Partial Bath
4,488
SqFt
$1,092
/SqFt
2025
Built
County:
Napa
Listed by Monica Victorino of Flex Realty 7143177250
1003 Charter Oak Avenue1003 Charter Oak Avenue1003 Charter Oak Avenue1003 Charter Oak Avenue
Save
Ask
Tour
Hide
Share

Rare Napa Valley estate on 1.29 acres, under construction with $400K+ already invested and existing contractor mobilized for rapid completion. Buyer walks in with instant equityappraised recently for $5.6M as is; projected ARV $8.375M. Shovel-ready contemporary compound features a 4,049 sf main residence and 406 sf guest house designed for seamless indoor/outdoor living: vaulted ceilings, floor-to-ceiling glass, reclaimed natural wood, stone accents, and handcrafted tile. Also includes a 1,377 sf detached garage and a 1,000 sf outdoor kitchen with climate-controlled wine room. Landscaped grounds offer a sculptural entry court, kidney-shaped pool, multi-use putting green/lawn, mature privacy plantings, and sweeping vineyard and estate views. Sold as-is; completion requires approximately $1.4M. Sustainable infrastructure is integrated with durable materials and efficient systems. Ideal for an investor, builder/developer, or build-to-suite end buyer seeking fast execution, dual lifestyle/income potential, and trophy wine-country distinction with easy access to Napas tasting corridor and regional transport.

Save
Ask
Tour
Hide
Share
Listing Snapshot
Price 
$4,900,000
Days On Site 
3 Days
Bedrooms 
4
Inside Area (SqFt) 
4,488 sqft
Total Baths 
4
Full Baths 
3
Partial Baths 
1
Lot Size 
1.29 Acres
Year Built 
2025
MLS® Number 
OC25173221
Status 
Active
Property Tax 
N/A
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
2 hours agoListing updated with changes from the MLS®
3 days agoListing first seen on site
General Features
Garage 
Yes
Garage Spaces 
2
Number Of Stories 
1
Parking Spaces 
2
Property Sub Type 
Single Family Residence
Sewer 
Public Sewer
Special Circumstances 
Standard
SqFt Total 
4488
Water Source 
Public
Interior Features
Cooling 
Central Air
Fireplace Features 
Living Room
Save
Ask
Tour
Hide
Share
Exterior Features
Pool Features 
PrivateIn Ground
Private Pool 
Yes
View 
Vineyard
Waterview 
Vineyard
Listed by Monica Victorino of Flex Realty 7143177250



This information is deemed reliable but not guaranteed. You should rely on this information only to decide whether or not to further investigate a particular property. BEFORE MAKING ANY OTHER DECISION, YOU SHOULD PERSONALLY INVESTIGATE THE FACTS (e.g. square footage and lot size) with the assistance of an appropriate professional. You may use this information only to identify properties you may be interested in investigating further. All uses except for personal, non-commercial use in accordance with the foregoing purpose are prohibited. Redistribution or copying of this information, any photographs or video tours is strictly prohibited. This information is derived from the Internet Data Exchange (IDX) service provided by San Diego MLS®. Displayed property listings may be held by a brokerage firm other than the broker and/or agent responsible for this display. The information and any photographs and video tours and the compilation from which they are derived is protected by copyright. Copyright © 2025 San Diego MLS®.

Last checked 2025

Neighborhood & Commute
Source: Walkscore
Community information and market data Powered by ATTOM Data Solutions. Copyright ©2019 ATTOM Data Solutions. Information is deemed reliable but not guaranteed.
Save
Ask
Tour
Hide
Share