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Duplex (2 Units, Any Combination)Residential
Last sold for $427,000 on Oct 2, 2013

1490 ASH ST

NAPA, CA 94559
5
Beds
4
Baths
1,162 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$427,000 · Oct 2, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,899 (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.$769,029 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$218,810
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$550,219
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$753,951
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$769,029

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.43
57
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
35
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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1995
Lot (acres)The size of the land the home sits on, from county records.0.13
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.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.

Foreclosure Filings(3)

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

E
Shearer Elementary SchoolD-
Elementary · Grades KG–5 · 0.2 mi
H
Napa High SchoolC
High · Grades 9–12 · 1.6 mi
M
Silverado Middle SchoolD
Middle · Grades 6–8 · 1.7 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

1490 Ash 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.

  • Smaller than 81% of homes in Napa County
  • Has a smaller lot than 77% of homes in Napa County
  • Older than 86% 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 area1,162 ft²
SmallerTypical 1,434 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.13 ac
SmallerTypical 0.15 acBigger

Bigger than 35% of homes nearby

Year built1947
OlderTypical 1955Newer

Newer than 32% of homes nearby

How 1490 Ash St ranks against every home in each area.
MeasureThis homeFuller ParkNapa 94559Napa County
Living areabigger than1,162 ft²32% of homes30% of homes19% of homes
Lot sizebigger than0.13 ac26% of homes35% of homes23% of homes
Year builtnewer than194758% of homes32% of homes14% of homes

About 1490 Ash St

When did 1490 Ash St, Napa, CA last sell?

1490 Ash St, Napa, CA last sold on Oct 2, 2013 for $427,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 1490 Ash St, Napa, CA?

1490 Ash St, Napa, CA has 5 bedrooms, 4 bathrooms, 1,162 square feet of living space and a 0.13-acre lot.

When was 1490 Ash St, Napa, CA built?

1490 Ash St, Napa, CA was built in 1947, making it 79 years old. It is a duplex single home.

What schools serve 1490 Ash St, Napa, CA?

1490 Ash St, Napa, CA is assigned to Shearer Elementary School (elementary), rated D-; Napa High School (high), rated C; 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.

How does 1490 Ash St, Napa, CA compare to other homes in Napa 94559?

Among the 7,738 homes in Napa 94559, it is bigger than 30% of them (1,162 ft² against a typical 1,434 ft²), its lot is bigger than 35% of them (0.13 ac against a typical 0.15 ac) and it is newer than 32% of them (1947 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 1490 Ash St, Napa, CA?

The 2026 property tax bill for 1490 Ash St, Napa, CA was $9,899. The county assessed it at $769,029.

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