800 Greenfield Rd is a 1,004 square foot vacant land on a 8.4 acre lot with 6 bathrooms. - it last sold on October 27, 1998 for $850,000. Based on Redfin's Saint Helena data, we estimate the home's value is $4,244,373.
Vacant landProperty Type
2007Year Built
8.4 acresLot Size
$505,283Price/Acres
1 spaceParking
Source:Public Records
Redfin Estimate
$4,244,373
$3.4M since sold in October 1998$1.1M since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 127.1% higher than the average sale price ($1.87M) of 6 comparable homes.
*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
May 23, 2006 • Final
Building/pool spa hot tub/pool spa hot tub/new
Install a heated pool and spa.
Pool and hot tub
Apr 20, 2005 • Final
Building/commercial/agriculture building/new
Work on a garage.
New construction
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
Bathroom Information
# of Full Baths: 5
# of 1/2 Baths: 2
Heating & Cooling
Heating Type: Central
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Excellent
Construction Type: Wood
Building Construction Quality: Good
Building Improvement Type: Guest House
Pool Information
Has Pool
Property Information
Living Sq. Ft: 1,004
Building Sq. Ft: 1,004
# of Stories: 2
Legal Description: PCL 1 MAP NO 2305 4P/M72
Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Attached Garage
Garage / Carport Type: Attached
Lot Information
# of Buildings: 2
Land Sq. Ft: 365,904
Acres: 8.4
Zoning Code: AW
County Use Description: RURAL RESID 5+ ACRES
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: —
Baths: 6.0
Sq. Ft.: 1,004
Stories: 2.0
Lot Size: 8.4 acres
Style: Vacant Land
Year Built: 2007
Year Renovated: 2007
County: Napa County
APN: 25200039000
Home facts updated by county records on Jul 15, 2026
Around this home
Schools
Saint Helena Primary School
Public K-2 • Assigned • 4.6mi
Robert Louis Stevenson Intermediate School
Public 6-8 • Assigned • 4.9mi
4/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
7/10 Fire Factor
18% chance of being in a wildfire in next 30 years
5/10 Heat Factor
7 days above 98° expected this year, 15 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
Average low and high temperatures (°F)
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89
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84
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75
49
61
43
57
41
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Feb
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Sun exposure
In this area, properties receive around 11.7 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.7 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$4.03M – $4.88M
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