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Duplex (2 Units, Any Combination)Residential
Last sold for $6,800,000 on Jun 18, 2024

1815 SPRING ST

SAINT HELENA, CA 94574
5
Beds
3.5
Baths
3,234 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$6,800,000 · Jun 18, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$75,033 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$7,074,720 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,106,810
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$4,967,910
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$6,936,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$7,074,720

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
62
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.
70
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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyNAPA
Lot (acres)The size of the land the home sits on, from county records.0.22
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(8)

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.

E
Saint Helena Primary School
Elementary · Grades KG–2 · 0.4 mi
H
St. Helena High SchoolB+
High · Grades 9–12 · 0.5 mi
M
Robert Louis Stevenson Intermediate SchoolB
Middle · Grades 6–8 · 0.6 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%

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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

1815 Spring St 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.

  • Bigger than 93% of homes in Napa County
  • Newer than 74% of homes in Saint Helena 94574

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.

Living area3,234 ft²
SmallerTypical 1,951 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.22 ac
SmallerTypical 0.27 acBigger

Bigger than 36% of homes nearby

Year built1985
OlderTypical 1966Newer

Newer than 74% of homes nearby

How 1815 Spring St ranks against every home in each area.
MeasureThis homeSaint Helena 94574Napa County
Living areabigger than3,234 ft²87% of homes93% of homes
Lot sizebigger than0.22 ac36% of homes64% of homes
Year builtnewer than198574% of homes66% of homes

About 1815 Spring St

When did 1815 Spring St, Saint Helena, CA last sell?

1815 Spring St, Saint Helena, CA last sold on Jun 18, 2024 for $6,800,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 1815 Spring St, Saint Helena, CA?

1815 Spring St, Saint Helena, CA has 5 bedrooms, 3.5 bathrooms, 3,234 square feet of living space and a 0.22-acre lot.

When was 1815 Spring St, Saint Helena, CA built?

1815 Spring St, Saint Helena, CA was built in 1985, making it 41 years old. It is a duplex single home. The building has 2 stories.

What schools serve 1815 Spring St, Saint Helena, CA?

1815 Spring St, Saint Helena, CA is assigned to Saint Helena Primary School (elementary); St. Helena High School (high), rated B+; Robert Louis Stevenson Intermediate School (middle), rated B. All sit in St. Helena Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1815 Spring St, Saint Helena, CA compare to other homes in Saint Helena 94574?

Among the 2,836 homes in Saint Helena 94574, it is bigger than 87% of them (3,234 ft² against a typical 1,951 ft²), its lot is bigger than 36% of them (0.22 ac against a typical 0.27 ac) and it is newer than 74% of them (1985 against a typical 1966). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 1815 Spring St, Saint Helena, CA?

The 2026 property tax bill for 1815 Spring St, Saint Helena, CA was $75,033. The county assessed it at $7,074,720.

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