Property
$4,290,0001.29 Acres4 beds • 3 baths • 1 half bath • 4,488 sq ft
For Sale
For Sale
$4,290,0001.29 Acres
For Sale
4 beds • 3 baths • 1 half bath • 4,488 sq ft

1003 Charter Oak Avenue, Saint Helena, CA 94574 - Napa County

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Property ID 25265611

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Single Family Residence - St. Helena, CA

PRICED TO SELL WITH INSTANT EQUITY!!! 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 equity—appraised 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.

?? Value-Add Bonus: Property qualifies for a lot split under SB9, offering rare development upside and dual-lifestyle or income potential.

Sold as-is; completion requires approximately $1.16M. 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, trophy wine-country distinction, and unparalleled value creation—just minutes from Napa’s tasting corridor and regional transport.

Copyright © 2025 California Regional Multiple Listing Service, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

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Flex Realty

License #01377966

Huntington Beach, CA

(714) 317-7250
Listing provided by
Monica Victorino
Flex Realty(714) 317-7250
Source: ListHub, MLS# OC25173221
Listing status: Active
Listing last updated: October 20, 2025 at 6:50 PM
Listing last checked: December 1, 2025 at 11:30 AM
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Monica Victorino

Flex Realty
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Monica Victorino

Flex Realty