*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
AW
Agricultural Watershed District
The AW district classification is intended to be applied in those areas of the county where the predominant use is agriculturally oriented, where watershed areas, reservoirs and floodplain tributaries are located, where development would adversely impact on all such uses, and where the protection of agriculture, watersheds and floodplain tributaries from fire, pollution and erosion is essential to the general health, safety and welfare.
Permitted uses
Include but are not limited to:
Agriculture
Housing-Single unit
Housing-Senior
Housing-Other
Office
Recreation
Communications tower
Jul 13, 2011 • Final
Residential
Remodel
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Fireplace Information
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Construction Type: Wood
Building Construction Quality: Fair
Property Information
Subdivision Name: CARNE HUMANA RANCHO
Living Sq. Ft: 1,144
Building Sq. Ft: 1,144
Legal Description: CARNE HUMANA RHO
Lot Information
# of Buildings: 1
Land Sq. Ft: 20,796
Acres: 0.4774
Zoning Code: AW
County Use Description: VACANT LAND-RURAL
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: —
Sq. Ft.: 1,144
Stories: —
Lot Size: 0.48 acres
Style: Other
Year Built: 1900
Year Renovated: 1932
County: Napa County
APN: 21120002000
Home facts updated by county records on Oct 8, 2026
Around this home
Schools
Saint Helena Elementary School
Public 3-5 • Assigned • 2.8mi
8/10
Robert Louis Stevenson Intermediate School
Public 6-8 • Assigned • 2.6mi
4/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
10/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
5/10 Heat Factor
7 days above 99° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
22 unhealthy days expected this year, 22 days in 30 years
Provided by First Street
Historical weather
Saint Helena, CA • 94574
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Sun exposure
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