1003 Charter Oak Ave Saint Helena, CA 94574
Estimated payment $26,199/month
Highlights
- New Construction
- In Ground Pool
- Vineyard View
- Saint Helena Elementary School Rated A-
- 1.29 Acre Lot
- Vaulted Ceiling
About This Home
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.
Listing Agent
Flex Realty Brokerage Phone: 714-317-7250 License #01377966 Listed on: 08/01/2025
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $27,307
Year Built
- Built in 2025 | New Construction
Parking
- 2 Car Attached Garage
Home Design
- Entry on the 1st floor
Interior Spaces
- 4,488 Sq Ft Home
- 1-Story Property
- Vaulted Ceiling
- Living Room with Fireplace
- Vineyard Views
- Laundry Room
Bedrooms and Bathrooms
- 4 Main Level Bedrooms
Additional Features
- In Ground Pool
- 1.29 Acre Lot
- Central Air
Community Details
- No Home Owners Association
- Foothills
Listing and Financial Details
- Assessor Parcel Number 009112006000
Map
Home Values in the Area
Average Home Value in this Area
Tax History
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2024 | $27,307 | $2,565,171 | $1,115,517 | $1,449,654 |
| 2023 | $27,307 | $1,975,238 | $1,093,645 | $881,593 |
| 2022 | $20,387 | $1,936,508 | $1,072,201 | $864,307 |
| 2021 | $14,499 | $1,366,531 | $1,051,178 | $315,353 |
| 2020 | $14,355 | $1,352,520 | $1,040,400 | $312,120 |
| 2019 | $14,107 | $1,326,000 | $1,020,000 | $306,000 |
| 2018 | $15,050 | $1,410,114 | $1,410,114 | $0 |
| 2017 | $14,769 | $1,382,465 | $1,382,465 | $0 |
| 2016 | $14,451 | $1,355,358 | $1,355,358 | $0 |
| 2015 | $887 | $79,043 | $36,230 | $42,813 |
| 2014 | $801 | $77,496 | $35,521 | $41,975 |
Property History
| Date | Event | Price | Change | Sq Ft Price |
|---|---|---|---|---|
| 08/13/2025 08/13/25 | Price Changed | $4,490,000 | -8.4% | $1,000 / Sq Ft |
| 08/01/2025 08/01/25 | For Sale | $4,900,000 | -- | $1,092 / Sq Ft |
Purchase History
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Grant Deed | $3,700,000 | Pacific Coast Title | |
| Grant Deed | $3,700,000 | Pacific Coast Title | |
| Trustee Deed | $264,482 | None Listed On Document | |
| Grant Deed | -- | None Available | |
| Trustee Deed | $1,108,537 | None Available | |
| Grant Deed | $1,335,000 | Fidelity National Title | |
| Interfamily Deed Transfer | -- | -- | |
| Interfamily Deed Transfer | -- | -- | |
| Interfamily Deed Transfer | -- | -- |
Mortgage History
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $600,000 | No Value Available | |
| Closed | $600,000 | No Value Available | |
| Closed | $500,000 | Construction | |
| Open | $4,478,000 | Construction | |
| Closed | $4,478,000 | Construction | |
| Previous Owner | $400,000 | New Conventional | |
| Previous Owner | $450,000 | Unknown | |
| Previous Owner | $100,000 | Unknown | |
| Previous Owner | $750,000 | Stand Alone Refi Refinance Of Original Loan | |
| Previous Owner | $200,000 | Unknown | |
| Previous Owner | $3,060,000 | Unknown |
Source: California Regional Multiple Listing Service (CRMLS)
MLS Number: OC25173221
APN: 009-112-006
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.
Based on information from California Regional Multiple Listing Service, Inc. and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information
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