1003 Charter Oak Avenue, St Helena

$4,290,000

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4

Beds

4

Baths

4,488

Square feet

1.29

Acres

About 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.

Features of 1003 Charter Oak Avenue

MLS® # OC25173221
Price $4,290,000
Bedrooms 4
Bathrooms 4.00
Full Baths 3
Half Baths 1
Square Footage 4,488
Acres 1.29
Year Built 2025
Type Residential
Sub-Type Single Family Residence
Status Active

Community Information

Address 1003 Charter Oak Avenue
City St Helena
County Napa
Zip Code 94574

Amenities

Parking Spaces 2
# of Garages 2
View Vineyard
Is Waterfront No
Has Pool Yes
Pool In Ground, Private

Interior

Interior Features All Bedrooms Down
Cooling Central Air, See Remarks
Has Basement No
Fireplace Yes
Fireplaces Living Room
# of Stories 1
Stories One

Exterior

Lot Description Lot Over 40000 Sqft

School Information

District Napa Valley Unified

Additional Information

Date Listed August 1st, 2025
Days on Market 95
Foreclosure No
Short Sale No
RE / Bank Owned No

Listing Details

AgentMonica Victorino
OfficeFlex Realty

Listing Map

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