Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$293,148$299 / 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 94How 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

400 RIVER RD

RIO VISTA, CA 94571
1
Beds
1
Baths
980 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.
1.48 ac
Lot SizeThe size of the land the home sits on, from county records.
1942
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
2
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$293K
$276K low$310K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$674 (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.$63,104 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$32,931
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$30,173
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$61,868
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$449,280

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.32 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.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.Single Family Residence
CountySOLANO
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(3)

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.

E
D. H. White Elementary SchoolC
Elementary · Grades KG–5 · 0.7 mi
H
Rio Vista High SchoolC-
High · Grades 9–12 · 1.2 mi
M
Riverview Middle SchoolD
Middle · Grades 6–8 · 1.3 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%

Owner Tools

Do you own this home?
Claim this home

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

400 River Rd 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.

  • Among the least valuable homes in Rio Vista 94571
  • Costs more per square foot than 79% of homes in Rio Vista 94571
  • Smaller than 97% of homes in Rio Vista 94571
  • Among the largest lots in Rio Vista 94571
  • Older than 95% 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
$302K$675K

This home is worth less than almost all 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$293,148
CheaperTypical $442,742Pricier

Cheaper than almost all homes nearby

Price per ft²$299
CheaperTypical $267Pricier

Pricier than 79% of homes nearby

Living area980 ft²
SmallerTypical 1,644 ft²Bigger

Bigger than 3% of homes nearby

Lot size1.48 ac
SmallerTypical 0.13 acBigger

Bigger than almost all homes nearby

Year built1942
OlderTypical 2004Newer

Newer than 5% of homes nearby

How 400 River Rd ranks against every home in each area.
MeasureThis homeRio Vista 94571Solano County
Estimated valuepricier than$293,148almost no homes3% of homes
Price per ft²pricier than$29979% of homes28% of homes
Living areabigger than980 ft²3% of homes8% of homes
Lot sizebigger than1.48 acalmost all homes97% of homes
Year builtnewer than19425% of homes7% of homes

About 400 River Rd

How much is 400 River Rd, Rio Vista, CA worth?

The TopHap Estimate for 400 River Rd, Rio Vista, CA is $293,148 as of Sep 24, 2026. The likely range is $276,118 to $310,178. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 River Rd, Rio Vista, CA last sell?

400 River Rd, Rio Vista, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 400 River Rd, Rio Vista, CA?

400 River Rd, Rio Vista, CA has 1 bedrooms, 1 bathrooms and 980 square feet of living space.

When was 400 River Rd, Rio Vista, CA built?

400 River Rd, Rio Vista, CA was built in 1942, making it 84 years old. The building has 3 stories.

What schools serve 400 River Rd, Rio Vista, CA?

400 River Rd, Rio Vista, CA is assigned to D. H. White Elementary School (elementary), rated C; Rio Vista High School (high), rated C-; Riverview Middle School (middle), 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 400 River Rd, Rio Vista, CA compare to other homes in Rio Vista 94571?

Among the 5,295 homes in Rio Vista 94571, it is worth more than almost none of them ($293,148 against a typical $442,742), its price per square foot is higher than 79% of them ($299 against a typical $267), it is bigger than 3% of them (980 ft² against a typical 1,644 ft²), its lot is bigger than almost all of them (1.48 ac against a typical 0.13 ac) and it is newer than 5% of them (1942 against a typical 2004). Measured against all of Solano County, it is worth more than 3% 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 400 River Rd, Rio Vista, CA?

The 2025 property tax bill for 400 River Rd, Rio Vista, CA was $674. The county assessed it at $63,104.

More homes on River Rd

Closest homes

More homes in Rio Vista 94571

Assigned schools

Explore the area

See this home in context

Open 400 River Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map