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Single Family ResidenceResidential
$522,208$306 / 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 91How 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

646 WASHINGTON ST

VALLEJO, CA 94590
3
Beds
1.5
Baths
1,707 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$522K
$473K low$571K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,037 (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.$94,513 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,363
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$76,150
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$92,660
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$528,300

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.23
1
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.
37
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.0.17
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
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 342 ft²

Transaction History(2)

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
Vallejo High SchoolC-
High · Grades 9–12 · 0.3 mi
E
Johnston Cooper Elementary SchoolC-
Elementary · Grades KG–5 · 0.5 mi
M
Hogan Middle SchoolD
Middle · Grades 6–8 · 1.9 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

646 Washington 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 more than 75% of homes in Vallejo 94590
  • Costs less per square foot than 68% of homes in Vallejo 94590
  • Bigger than 73% of homes in Vallejo 94590
  • Has a bigger lot than 83% of homes in Vallejo 94590
  • Older than 89% 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
$231K$734K

This home is worth more than 75% 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$522,208
CheaperTypical $444,353Pricier

Pricier than 75% of homes nearby

Price per ft²$306
CheaperTypical $340Pricier

Pricier than 32% of homes nearby

Living area1,707 ft²
SmallerTypical 1,335 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.17 ac
SmallerTypical 0.13 acBigger

Bigger than 83% of homes nearby

Year built1952
OlderTypical 1940Newer

Newer than 69% of homes nearby

How 646 Washington St ranks against every home in each area.
MeasureThis homeVallejo 94590Solano County
Estimated valuepricier than$522,20875% of homes42% of homes
Price per ft²pricier than$30632% of homes33% of homes
Living areabigger than1,707 ft²73% of homes54% of homes
Lot sizebigger than0.17 ac83% of homes65% of homes
Year builtnewer than195269% of homes11% of homes

About 646 Washington St

How much is 646 Washington St, Vallejo, CA worth?

The TopHap Estimate for 646 Washington St, Vallejo, CA is $522,208 as of Aug 30, 2026. The likely range is $473,287 to $571,129. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 646 Washington St, Vallejo, CA last sell?

646 Washington St, Vallejo, CA last sold on Jun 11, 1997, according to the county's recorded deed.

How big is 646 Washington St, Vallejo, CA?

646 Washington St, Vallejo, CA has 3 bedrooms, 1.5 bathrooms, 1,707 square feet of living space and a 0.17-acre lot.

When was 646 Washington St, Vallejo, CA built?

646 Washington St, Vallejo, CA was built in 1952, making it 74 years old. The building has 3 stories.

What schools serve 646 Washington St, Vallejo, CA?

646 Washington St, Vallejo, CA is assigned to Vallejo High School (high), rated C-; Johnston Cooper Elementary School (elementary), rated C-; 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 646 Washington St, Vallejo, CA compare to other homes in Vallejo 94590?

Among the 9,646 homes in Vallejo 94590, it is worth more than 75% of them ($522,208 against a typical $444,353), its price per square foot is higher than 32% of them ($306 against a typical $340), it is bigger than 73% of them (1,707 ft² against a typical 1,335 ft²), its lot is bigger than 83% of them (0.17 ac against a typical 0.13 ac) and it is newer than 69% of them (1952 against a typical 1940). Measured against all of Solano County, it is worth more than 42% 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 646 Washington St, Vallejo, CA?

The 2025 property tax bill for 646 Washington St, Vallejo, CA was $2,037. The county assessed it at $94,513.

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