Skip to content
Skip to content
TopHapOpen in map
Miscellaneous Structures - Ranch, Farm FixturesAgriculture / Farming

1360 BIG ROCK RD

SAINT HELENA, CA 94574
0
Baths
8.92 ac
Lot SizeThe size of the land the home sits on, from county records.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$33,892 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$3,187,236 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,156,595
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$30,641
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$3,187,236

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.45
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
85
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
39
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
68
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
36
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Miscellaneous Structures - Ranch, Farm Fixtures
CountyNapa
Lot (acres)The size of the land the home sits on, from county records.8.92
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
St. Helena High SchoolA
High · Grades 9–12 · 1.8 mi
M
Robert Louis Stevenson Intermediate SchoolC
Middle · Grades 6–8 · 2.0 mi
E
Saint Helena Primary School
Elementary · Grades KG–2 · 2.1 mi

District: St. Helena Unified School District

Neighborhood · ZIP 94574These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.136
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.267

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.80%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.7,889
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.61 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$128,776
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$218,903
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

Owner Tools

Do you own this home?
Claim this home

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

1360 Big Rock Rd measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Has a bigger lot than 96% of homes in Napa County

How it measures up in Saint Helena 94574

The dot is this home. The mark in the middle is the typical home in Saint Helena 94574.

Lot size8.92 ac
SmallerTypical 0.28 acBigger

Bigger than 88% of homes nearby

How 1360 Big Rock Rd ranks against every home in each area.
MeasureThis homeSaint Helena 94574Napa County
Lot sizebigger than8.92 ac88% of homes96% of homes

About 1360 Big Rock Rd

When did 1360 Big Rock Rd, Saint Helena, CA last sell?

1360 Big Rock Rd, Saint Helena, CA last sold on Jun 12, 2014, according to the county's recorded deed.

What schools serve 1360 Big Rock Rd, Saint Helena, CA?

1360 Big Rock Rd, Saint Helena, CA is assigned to St. Helena High School (high), rated A; Robert Louis Stevenson Intermediate School (middle), rated C; Saint Helena Primary School (elementary). All sit in St. Helena Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 1360 Big Rock Rd, Saint Helena, CA?

The 2025 property tax bill for 1360 Big Rock Rd, Saint Helena, CA was $33,892. The county assessed it at $3,187,236.

More homes on Big Rock Rd

Closest homes

More homes in Saint Helena 94574

Assigned schools

Explore the area

See this home in context

Open 1360 Big Rock Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map