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Single Family ResidenceResidential
$380,211$310 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $160,000 on Jun 5, 2013

503 CALIFORNIA ST

RIO VISTA, CA 94571
3
Beds
2
Baths
1,227 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1937
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
7
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

$380K
$366K low$395K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$160,000 · Jun 5, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,120 (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.$200,957 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$75,357
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$125,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$197,018
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$386,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySOLANO
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.1954
Lot (acres)The size of the land the home sits on, from county records.0.11
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.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 · 336 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
Rio Vista High SchoolD
High · Grades 9–12 · 0.2 mi
M
Riverview Middle SchoolC
Middle · Grades 6–8 · 0.3 mi
E
D. H. White Elementary SchoolD+
Elementary · Grades KG–5 · 0.6 mi

District: River Delta Joint Unified School District

Neighborhood · ZIP 94571These 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.139
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.300

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
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.0.9%
PopulationHow many people live in this area.10,336
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.83 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,846
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,838
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.17 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

503 California 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 92% of homes in Solano County
  • Costs more per square foot than 84% of homes in Rio Vista 94571
  • Smaller than 83% of homes in Rio Vista 94571
  • Has a smaller lot than 82% of homes in Solano County
  • Older than 96% of homes in Rio Vista 94571

What homes are worth in Rio Vista 94571

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

This home
$300K$648K

This home is worth more than 21% of homes in Rio Vista 94571.

How it measures up in Rio Vista 94571

The dot is this home. The mark in the middle is the typical home in Rio Vista 94571.

Estimated value$380,211
CheaperTypical $443,328Pricier

Pricier than 21% of homes nearby

Price per ft²$310
CheaperTypical $266Pricier

Pricier than 84% of homes nearby

Living area1,227 ft²
SmallerTypical 1,635 ft²Bigger

Bigger than 17% of homes nearby

Lot size0.11 ac
SmallerTypical 0.13 acBigger

Bigger than 20% of homes nearby

Year built1937
OlderTypical 2004Newer

Newer than 4% of homes nearby

How 503 California St ranks against every home in each area.
MeasureThis homeRio Vista 94571Solano County
Estimated valuepricier than$380,21121% of homes8% of homes
Price per ft²pricier than$31084% of homes35% of homes
Living areabigger than1,227 ft²17% of homes22% of homes
Lot sizebigger than0.11 ac20% of homes18% of homes
Year builtnewer than19374% of homes5% of homes

About 503 California St

How much is 503 California St, Rio Vista, CA worth?

The TopHap Estimate for 503 California St, Rio Vista, CA is $380,211 as of Sep 24, 2026. The likely range is $365,765 to $394,657. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 503 California St, Rio Vista, CA last sell?

503 California St, Rio Vista, CA last sold on Jun 5, 2013 for $160,000, according to the county's recorded deed.

How big is 503 California St, Rio Vista, CA?

503 California St, Rio Vista, CA has 3 bedrooms, 2 bathrooms, 1,227 square feet of living space and a 0.11-acre lot.

When was 503 California St, Rio Vista, CA built?

503 California St, Rio Vista, CA was built in 1937, making it 89 years old. The building has 3 stories.

What schools serve 503 California St, Rio Vista, CA?

503 California St, Rio Vista, CA is assigned to Rio Vista High School (high), rated D; Riverview Middle School (middle), rated C; D. H. White Elementary School (elementary), rated D+. All sit in River Delta Joint Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 503 California St, Rio Vista, CA compare to other homes in Rio Vista 94571?

Among the 5,296 homes in Rio Vista 94571, it is worth more than 21% of them ($380,211 against a typical $443,328), its price per square foot is higher than 84% of them ($310 against a typical $266), it is bigger than 17% of them (1,227 ft² against a typical 1,635 ft²), its lot is bigger than 20% of them (0.11 ac against a typical 0.13 ac) and it is newer than 4% of them (1937 against a typical 2004). Measured against all of Solano County, it is worth more than 8% 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 503 California St, Rio Vista, CA?

The 2025 property tax bill for 503 California St, Rio Vista, CA was $2,120. The county assessed it at $200,957.

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