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Single Family ResidenceResidential
$333,462$350 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $228,500 on Jun 21, 2016

421 NAPA ST

VALLEJO, CA 94590
3
Beds
2
Baths
952 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.
2,145 ft²
Lot SizeThe size of the land the home sits on, from county records.
1917
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$333K
$317K low$350K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$228,500 · Jun 21, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,334 (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.$299,443 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$96,592
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$202,851
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$293,573
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$337,590

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.26
18
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
35
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
43
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.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySOLANO
Lot (acres)The size of the land the home sits on, from county records.0.05
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 114 ft²

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.

Foreclosure Filings(2)

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

H
Vallejo High SchoolC-
High · Grades 9–12 · 1.2 mi
E
Grace Patterson Elementary SchoolB
Elementary · Grades KG–5 · 1.5 mi
M
Hogan Middle SchoolD
Middle · Grades 6–8 · 2.0 mi

District: Vallejo City Unified School District

Neighborhood · ZIP 94590These 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.156
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.406

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.19%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.39,542
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,801 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,591
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,025
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.21 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

421 Napa 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.

  • Worth less than 96% of homes in Solano County
  • Smaller than 94% of homes in Solano County
  • Has a smaller lot than 94% of homes in Solano County
  • Older than 98% of homes in Solano County

What homes are worth in Vallejo 94590

Each bar is how many homes fall in that price range. The marker is this home.

This home
$229K$722K

This home is worth more than 16% of homes in Vallejo 94590.

How it measures up in Vallejo 94590

The dot is this home. The mark in the middle is the typical home in Vallejo 94590.

Estimated value$333,462
CheaperTypical $444,878Pricier

Pricier than 16% of homes nearby

Price per ft²$350
CheaperTypical $339Pricier

Pricier than 56% of homes nearby

Living area952 ft²
SmallerTypical 1,337 ft²Bigger

Bigger than 16% of homes nearby

Lot size2,145 ft²
SmallerTypical 0.13 acBigger

Bigger than 11% of homes nearby

Year built1917
OlderTypical 1940Newer

Newer than 14% of homes nearby

How 421 Napa St ranks against every home in each area.
MeasureThis homeVallejo 94590Solano County
Estimated valuepricier than$333,46216% of homes4% of homes
Price per ft²pricier than$35056% of homes62% of homes
Living areabigger than952 ft²16% of homes6% of homes
Lot sizebigger than2,145 ft²11% of homes6% of homes
Year builtnewer than191714% of homes2% of homes

About 421 Napa St

How much is 421 Napa St, Vallejo, CA worth?

The TopHap Estimate for 421 Napa St, Vallejo, CA is $333,462 as of Aug 30, 2026. The likely range is $317,073 to $349,851. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Napa St, Vallejo, CA last sell?

421 Napa St, Vallejo, CA last sold on Jun 21, 2016 for $228,500, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 421 Napa St, Vallejo, CA?

421 Napa St, Vallejo, CA has 3 bedrooms, 2 bathrooms, 952 square feet of living space and a 0.05-acre lot.

When was 421 Napa St, Vallejo, CA built?

421 Napa St, Vallejo, CA was built in 1917, making it 109 years old. The building has 3 stories.

What schools serve 421 Napa St, Vallejo, CA?

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

How does 421 Napa St, Vallejo, CA compare to other homes in Vallejo 94590?

Among the 9,646 homes in Vallejo 94590, it is worth more than 16% of them ($333,462 against a typical $444,878), its price per square foot is higher than 56% of them ($350 against a typical $339), it is bigger than 16% of them (952 ft² against a typical 1,337 ft²), its lot is bigger than 11% of them (2,145 ft² against a typical 0.13 ac) and it is newer than 14% of them (1917 against a typical 1940). Measured against all of Solano County, it is worth more than 4% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 421 Napa St, Vallejo, CA?

The 2025 property tax bill for 421 Napa St, Vallejo, CA was $5,334. The county assessed it at $299,443.

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