As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$3,075 (+2.0%)
$123,768 + $167,974
$291,742
2024
$3,016 (+1.9%)
$123,768 + $167,974
$291,742
2023
$2,960 (+1.6%)
$121,342 + $164,681
$286,023
2022
$2,912 (+2.2%)
$118,963 + $161,452
$280,415
2021
$2,851 (+0.4%)
$116,631 + $158,287
$274,918
2020
$2,841 (+1.8%)
$114,345 + $155,184
$269,529
2019
$2,790 (+1.2%)
$113,173 + $153,593
$266,766
2018
$2,756 (+1.9%)
$110,954 + $150,582
$261,536
2017
$2,705 (+2.0%)
$106,647 + $144,736
$251,383
2016
$2,651 (+1.3%)
$106,647 + $144,736
$251,383
2015
$2,618 (+1.9%)
$104,556 + $141,899
$246,455
2014
$2,570 (+2.8%)
$100,969 + $137,031
$238,000
2012
$2,500 (+2.1%)
$100,513 + $136,412
$236,925
2011
$2,448 (+1.6%)
$98,543 + $133,738
$232,281
2010
$2,409 (−1.0%)
$96,611 + $131,116
$227,727
2009
$2,434 (+2.4%)
$95,889 + $130,137
$226,026
2008
$2,376
$96,116 + $130,446
$226,562
Tax history for 235 Howell Mountain Rd S
Year
Property tax
Land + Additions
Assessment*
2025
$3,075 (+2.0%)
$123,768 + $167,974
$291,742
2024
$3,016 (+1.9%)
$123,768 + $167,974
$291,742
2023
$2,960 (+1.6%)
$121,342 + $164,681
$286,023
2022
$2,912 (+2.2%)
$118,963 + $161,452
$280,415
2021
$2,851 (+0.4%)
$116,631 + $158,287
$274,918
2020
$2,841 (+1.8%)
$114,345 + $155,184
$269,529
2019
$2,790 (+1.2%)
$113,173 + $153,593
$266,766
2018
$2,756 (+1.9%)
$110,954 + $150,582
$261,536
2017
$2,705 (+2.0%)
$106,647 + $144,736
$251,383
2016
$2,651 (+1.3%)
$106,647 + $144,736
$251,383
2015
$2,618 (+1.9%)
$104,556 + $141,899
$246,455
2014
$2,570 (+2.8%)
$100,969 + $137,031
$238,000
2012
$2,500 (+2.1%)
$100,513 + $136,412
$236,925
2011
$2,448 (+1.6%)
$98,543 + $133,738
$232,281
2010
$2,409 (−1.0%)
$96,611 + $131,116
$227,727
2009
$2,434 (+2.4%)
$95,889 + $130,137
$226,026
2008
$2,376
$96,116 + $130,446
$226,562
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
AW
AC
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.
Zone overlays
Airport Compatibility Combination District
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: 2
# of 1/2 Baths: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 14
Exterior
Exterior Information
Construction Type: Wood
Building Construction Quality: Average
Exterior Wall: Asbestos Shingle
Property Information
Living Sq. Ft: 3,166
Building Sq. Ft: 3,166
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 360
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 22,039
Acres: 0.5059
Zoning Code: AW:AC
County Use Description: MULTI RES 2-4 UNITS
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 5
Baths: 2.5
Sq. Ft.: 3,166
Stories: —
Lot Size: 0.51 acres
Style: Other
Year Built: 1945
Year Renovated: 1945
County: Napa County
APN: 24311002000
Home facts updated by county records on Jul 15, 2026
Around this home
Schools
Howell Mountain Elementary School
Public K-8 • Assigned • 1.4mi
4/10
Saint Helena High School
Public 9-12 • Assigned • 4.8mi
8/10
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
6/10 Fire Factor
8% chance of being in a wildfire in next 30 years
3/10 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
28 unhealthy days expected this year, 28 days in 30 years
Provided by First Street
Historical weather
Angwin, CA • 94508
Average low and high temperatures (°F)
57
41
57
41
65
46
64
45
73
49
79
52
80
53
86
58
81
55
72
51
58
44
55
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
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