799 Conn Valley Rd is a 7,920 square foot vacant land on a 8.04 acre lot with 4 bedrooms and 5 bathrooms. Based on Redfin's Saint Helena data, we estimate the home's value is $11,255,815.
Vacant landProperty Type
2017Year Built
8.04 acresLot Size
$1,399,977Price/Acres
4 garage spacesParking
Source:Public Records
Redfin Estimate
$11,255,815
$1.6M since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 152.4% higher than the average sale price ($4.46M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$136,683 (+28.0%)
$2,550,000 + $10,455,000
$13,005,000
2025
$106,746 (+2.0%)
$2,550,000 + $10,455,000
$13,005,000
2024
$104,613 (+1.3%)
$2,414,908 + $7,717,741
$10,132,649
2023
$103,265 (+2.9%)
$2,367,557 + $7,566,413
$9,933,970
2022
$100,323 (+10.8%)
$2,321,135 + $7,418,052
$9,739,187
2021
$90,571 (+49.2%)
$2,275,623 + $7,272,600
$9,548,223
2020
$60,699 (+180.5%)
$1,661,003 + $6,900,000
$8,561,003
2019
$21,640 (+42.4%)
$1,643,972 + $4,090,000
$5,733,972
2018
$15,202 (+529.4%)
$1,209,777 + $825,000
$2,034,777
2012
$2,415 (+2.1%)
$31,049 + $207,150
$238,199
2011
$2,366 (+1.6%)
$30,441 + $203,089
$233,530
2010
$2,328 (−1.1%)
$29,845 + $199,107
$228,952
2009
$2,354 (+2.3%)
$29,622 + $197,619
$227,241
2008
$2,301
$29,692 + $198,088
$227,780
Tax history for 799 Conn Valley Rd
Year
Property tax
Land + Additions
Assessment*
2026
$136,683 (+28.0%)
$2,550,000 + $10,455,000
$13,005,000
2025
$106,746 (+2.0%)
$2,550,000 + $10,455,000
$13,005,000
2024
$104,613 (+1.3%)
$2,414,908 + $7,717,741
$10,132,649
2023
$103,265 (+2.9%)
$2,367,557 + $7,566,413
$9,933,970
2022
$100,323 (+10.8%)
$2,321,135 + $7,418,052
$9,739,187
2021
$90,571 (+49.2%)
$2,275,623 + $7,272,600
$9,548,223
2020
$60,699 (+180.5%)
$1,661,003 + $6,900,000
$8,561,003
2019
$21,640 (+42.4%)
$1,643,972 + $4,090,000
$5,733,972
2018
$15,202 (+529.4%)
$1,209,777 + $825,000
$2,034,777
2012
$2,415 (+2.1%)
$31,049 + $207,150
$238,199
2011
$2,366 (+1.6%)
$30,441 + $203,089
$233,530
2010
$2,328 (−1.1%)
$29,845 + $199,107
$228,952
2009
$2,354 (+2.3%)
$29,622 + $197,619
$227,241
2008
$2,301
$29,692 + $198,088
$227,780
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
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
Property details
Interior
Bathroom Information
# of Full Baths: 4
# of 1/2 Baths: 2
Fireplace Information
# of Fireplaces: 5
Has Fireplace
Exterior
Exterior Information
Construction Type: Wood
Property Information
Living Sq. Ft: 7,920
Building Sq. Ft: 7,920
# of Stories: 1
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 1,191
Garage / Carport Type: Attached
Lot Information
# of Buildings: 3
Land Sq. Ft: 350,222
Acres: 8.04
County Use Description: RURAL RESID 5+ ACRES
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 5.0
Sq. Ft.: 7,920
Stories: 1.0
Lot Size: 8.04 acres
Style: Vacant Land
Year Built: 2017
Year Renovated: —
County: Napa County
APN: 25070065000
Home facts updated by county records on Oct 8, 2026
Around this home
Schools
Saint Helena Elementary School
Public 3-5 • Assigned • 2.6mi
8/10
Robert Louis Stevenson Intermediate School
Public 6-8 • Assigned • 2.8mi
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
15% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 99° 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)
59
39
59
41
67
44
66
45
76
50
83
52
85
54
89
56
82
56
75
49
61
43
57
41
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$10.69M – $12.95M
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