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Single Family ResidenceResidential
$243,917$170 / 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 74How 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

20851 ALVA AVE

RIVERDALE, CA 93656
3
Beds
2
Baths
1,434 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$244K
$181K low$307K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$497 (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.$52,469 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,499
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$44,970
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$51,441

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyFRESNO
Lot (acres)The size of the land the home sits on, from county records.0.19
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
CoolingThe type of cooling or air conditioning in the home.Refrigerator
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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.

M
Riverdale Elementary SchoolC
Middle · Grades 4–8 · 0.2 mi
H
Riverdale High SchoolC+
High · Grades 9–12 · 0.6 mi
E
Fipps Primary SchoolC-
Elementary · Grades KG–3 · 0.7 mi

District: Riverdale Joint Unified School District

Neighborhood · ZIP 93656These 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.69
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 100.141

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.6.5%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.2.4%
PopulationHow many people live in this area.7,512
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.37 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$57,792
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$72,407
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.8 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

20851 Alva Ave 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 87% of homes in Fresno County
  • Costs less per square foot than 94% of homes in Fresno County
  • Older than 88% of homes in Fresno County

What homes are worth in Riverdale 93656

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

This home
$112K$463K

This home is worth more than 48% of homes in Riverdale 93656.

How it measures up in Riverdale 93656

The dot is this home. The mark in the middle is the typical home in Riverdale 93656.

Estimated value$243,917
CheaperTypical $247,207Pricier

Pricier than 48% of homes nearby

Price per ft²$170
CheaperTypical $182Pricier

Pricier than 35% of homes nearby

Living area1,434 ft²
SmallerTypical 1,371 ft²Bigger

Bigger than 56% of homes nearby

Lot size0.19 ac
SmallerTypical 0.19 acBigger

Bigger than 50% of homes nearby

Year built1948
OlderTypical 1969Newer

Newer than 18% of homes nearby

How 20851 Alva Ave ranks against every home in each area.
MeasureThis homeRiverdale 93656Fresno County
Estimated valuepricier than$243,91748% of homes13% of homes
Price per ft²pricier than$17035% of homes6% of homes
Living areabigger than1,434 ft²56% of homes37% of homes
Lot sizebigger than0.19 ac50% of homes64% of homes
Year builtnewer than194818% of homes12% of homes

About 20851 Alva Ave

How much is 20851 Alva Ave, Riverdale, CA worth?

The TopHap Estimate for 20851 Alva Ave, Riverdale, CA is $243,917 as of Aug 30, 2026. The likely range is $180,711 to $307,123. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20851 Alva Ave, Riverdale, CA last sell?

20851 Alva Ave, Riverdale, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20851 Alva Ave, Riverdale, CA?

20851 Alva Ave, Riverdale, CA has 3 bedrooms, 2 bathrooms, 1,434 square feet of living space and a 0.19-acre lot.

When was 20851 Alva Ave, Riverdale, CA built?

20851 Alva Ave, Riverdale, CA was built in 1948, making it 78 years old. The building has 1 story.

What schools serve 20851 Alva Ave, Riverdale, CA?

20851 Alva Ave, Riverdale, CA is assigned to Riverdale Elementary School (middle), rated C; Riverdale High School (high), rated C+; Fipps Primary School (elementary), rated C-. All sit in Riverdale Joint Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20851 Alva Ave, Riverdale, CA compare to other homes in Riverdale 93656?

Among the 1,227 homes in Riverdale 93656, it is worth more than 48% of them ($243,917 against a typical $247,207), its price per square foot is higher than 35% of them ($170 against a typical $182), it is bigger than 56% of them (1,434 ft² against a typical 1,371 ft²), its lot is bigger than 50% of them (0.19 ac against a typical 0.19 ac) and it is newer than 18% of them (1948 against a typical 1969). Measured against all of Fresno County, it is worth more than 13% 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 20851 Alva Ave, Riverdale, CA?

The 2025 property tax bill for 20851 Alva Ave, Riverdale, CA was $497. The county assessed it at $52,469.

More homes on Alva Ave

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More homes in Riverdale 93656

Assigned schools

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