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Triplex (3 Units, Any Combination)Residential

857 VALLEJO ST

NAPA, CA 94559
3
Beds
3
Baths
1,728 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,789 (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.$172,419 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$95,789
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$76,630
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$172,419

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
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
36
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
37
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
51
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.33 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Triplex (3 Units, Any Combination)
CountyNapa
Lot (acres)The size of the land the home sits on, from county records.0.16
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(9)

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
McPherson Elementary SchoolD-
Elementary · Grades KG–5 · 0.8 mi
M
Silverado Middle SchoolC-
Middle · Grades 6–8 · 1.4 mi
H
Vintage High SchoolB
High · Grades 9–12 · 2.2 mi

District: Napa Valley Unified School District

Neighborhood · ZIP 94559These 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.97
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 100.400

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.25,170
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.628 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,352
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,518
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.25 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

857 Vallejo 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 76% of homes in Central Napa
  • Has a bigger lot than 66% of homes in Central Napa
  • Older than 83% of homes in Napa County

How it measures up in Napa 94559

The dot is this home. The mark in the middle is the typical home in Napa 94559.

Living area1,728 ft²
SmallerTypical 1,408 ft²Bigger

Bigger than 67% of homes nearby

Lot size0.16 ac
SmallerTypical 0.15 acBigger

Bigger than 56% of homes nearby

Year built1950
OlderTypical 1955Newer

Newer than 37% of homes nearby

How 857 Vallejo St ranks against every home in each area.
MeasureThis homeCentral NapaNapa 94559Napa County
Living areabigger than1,728 ft²76% of homes67% of homes54% of homes
Lot sizebigger than0.16 ac66% of homes56% of homes42% of homes
Year builtnewer than195069% of homes37% of homes17% of homes

About 857 Vallejo St

When did 857 Vallejo St, Napa, CA last sell?

857 Vallejo St, Napa, CA last sold on Jan 13, 2014, according to the county's recorded deed.

How big is 857 Vallejo St, Napa, CA?

857 Vallejo St, Napa, CA has 3 bedrooms, 3 bathrooms, 1,728 square feet of living space and a 0.16-acre lot.

When was 857 Vallejo St, Napa, CA built?

857 Vallejo St, Napa, CA was built in 1950, making it 76 years old.

What schools serve 857 Vallejo St, Napa, CA?

857 Vallejo St, Napa, CA is assigned to McPherson Elementary School (elementary), rated D-; Silverado Middle School (middle), rated C-; Vintage High School (high), rated B. All sit in Napa Valley Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 857 Vallejo St, Napa, CA compare to other homes in Napa 94559?

Among the 7,778 homes in Napa 94559, it is bigger than 67% of them (1,728 ft² against a typical 1,408 ft²), its lot is bigger than 56% of them (0.16 ac against a typical 0.15 ac) and it is newer than 37% of them (1950 against a typical 1955). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 857 Vallejo St, Napa, CA?

The 2025 property tax bill for 857 Vallejo St, Napa, CA was $3,789. The county assessed it at $172,419.

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