- 4 Beds
- 4 Baths
- 4,488 Sqft
- 1.29 Acres
1003 Charter Oak Avenue
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.
Essential Information
- MLS® #OC25173221
- Price$4,290,000
- Bedrooms4
- Bathrooms4.00
- Full Baths3
- Half Baths1
- Square Footage4,488
- Acres1.29
- Year Built2025
- TypeResidential
- Sub-TypeSingle Family Residence
- StatusActive
Community Information
- Address1003 Charter Oak Avenue
- CitySt Helena
- CountyNapa
- Zip Code94574
Amenities
- Parking Spaces2
- # of Garages2
- ViewVineyard
- Has PoolYes
- PoolIn Ground, Private
Interior
- Interior FeaturesAll Bedrooms Down
- CoolingCentral Air, See Remarks
- FireplaceYes
- FireplacesLiving Room
- # of Stories1
- StoriesOne
Exterior
- Lot DescriptionLot Over 40000 Sqft
School Information
- DistrictNapa Valley Unified
Additional Information
- Date ListedAugust 1st, 2025
- Days on Market110
Listing Details
- AgentMonica Victorino
- OfficeFlex Realty
Price Change History for 1003 Charter Oak Avenue, St Helena, (MLS® #OC25173221)
| Date | Details | Change |
|---|---|---|
| Price Reduced from $4,490,000 to $4,290,000 | ||
| Price Reduced from $4,900,000 to $4,490,000 |
Monica Victorino, Flex Realty.
Based on information from California Regional Multiple Listing Service, Inc. as of November 19th, 2025 at 12:31pm PST. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.