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Apartments (Generic)Residential
Last sold for $1,285,500 on Apr 1, 2026

1645 MAIN ST

NAPA, CA 94559
0
Baths
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,285,500 · Apr 1, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,680 (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.$1,121,731 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$299,744
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$821,987
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,121,731
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,121,731

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.42
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
54
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.8 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.0.2 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.Apartments (Generic)
CountyNAPA
Lot (acres)The size of the land the home sits on, from county records.0.15
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(11)

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
Napa High SchoolC
High · Grades 9–12 · 0.6 mi
E
McPherson Elementary SchoolD-
Elementary · Grades KG–5 · 0.8 mi
M
Silverado Middle SchoolD
Middle · Grades 6–8 · 1.6 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

1645 Main 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.

How it measures up in Napa 94559

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

Lot size0.15 ac
SmallerTypical 0.15 acBigger

Bigger than 53% of homes nearby

How 1645 Main St ranks against every home in each area.
MeasureThis homeCentral NapaNapa 94559Napa County
Lot sizebigger than0.15 ac63% of homes53% of homes40% of homes

About 1645 Main St

When did 1645 Main St, Napa, CA last sell?

1645 Main St, Napa, CA last sold on Apr 1, 2026 for $1,285,500, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

What schools serve 1645 Main St, Napa, CA?

1645 Main St, Napa, CA is assigned to Napa High School (high), rated C; McPherson Elementary School (elementary), rated D-; Silverado Middle School (middle), rated D. All sit in Napa Valley Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 1645 Main St, Napa, CA?

The 2026 property tax bill for 1645 Main St, Napa, CA was $16,680. The county assessed it at $1,121,731.

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