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Single Family ResidenceResidential
$277,123$213 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $290,000 on Jan 29, 2021

21087 S MARKS AVE

RIVERDALE, CA 93656
3
Beds
2
Baths
1,300 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.
0.88 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$277K
$254K low$301K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$290,000 · Jan 29, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,406 (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.$320,180 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$99,366
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$220,814
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$313,903

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
CountyFRESNO
Lot (acres)The size of the land the home sits on, from county records.0.88
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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
Riverdale High SchoolC+
High · Grades 9–12 · 0.2 mi
E
Fipps Primary SchoolC
Elementary · Grades KG–3 · 0.3 mi
M
Riverdale Elementary SchoolC
Middle · Grades 4–8 · 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

21087 S Marks 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 81% of homes in Fresno County
  • Costs less per square foot than 74% of homes in Fresno County
  • Smaller than 72% of homes in Fresno County
  • Has a bigger lot than 92% of homes in Fresno County
  • Older than 98% 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
$115K$514K

This home is worth more than 50% 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$277,123
CheaperTypical $275,807Pricier

Pricier than 50% of homes nearby

Price per ft²$213
CheaperTypical $202Pricier

Pricier than 65% of homes nearby

Living area1,300 ft²
SmallerTypical 1,372 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.88 ac
SmallerTypical 0.19 acBigger

Bigger than 78% of homes nearby

Year built1920
OlderTypical 1969Newer

Newer than 5% of homes nearby

How 21087 S Marks Ave ranks against every home in each area.
MeasureThis homeRiverdale 93656Fresno County
Estimated valuepricier than$277,12350% of homes19% of homes
Price per ft²pricier than$21365% of homes26% of homes
Living areabigger than1,300 ft²44% of homes28% of homes
Lot sizebigger than0.88 ac78% of homes92% of homes
Year builtnewer than19205% of homes2% of homes

About 21087 S Marks Ave

How much is 21087 S Marks Ave, Riverdale, CA worth?

The TopHap Estimate for 21087 S Marks Ave, Riverdale, CA is $277,123 as of Oct 21, 2026. The likely range is $253,647 to $300,599. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21087 S Marks Ave, Riverdale, CA last sell?

21087 S Marks Ave, Riverdale, CA last sold on Jan 29, 2021 for $290,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21087 S Marks Ave, Riverdale, CA?

21087 S Marks Ave, Riverdale, CA has 3 bedrooms, 2 bathrooms, 1,300 square feet of living space and a 0.88-acre lot.

When was 21087 S Marks Ave, Riverdale, CA built?

21087 S Marks Ave, Riverdale, CA was built in 1920, making it 106 years old. It is a custom design home. The building has 1 story.

What schools serve 21087 S Marks Ave, Riverdale, CA?

21087 S Marks Ave, Riverdale, CA is assigned to Riverdale High School (high), rated C+; Fipps Primary School (elementary), rated C; Riverdale Elementary School (middle), rated C. All sit in Riverdale Joint Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21087 S Marks Ave, Riverdale, CA compare to other homes in Riverdale 93656?

Among the 1,230 homes in Riverdale 93656, it is worth more than 50% of them ($277,123 against a typical $275,807), its price per square foot is higher than 65% of them ($213 against a typical $202), it is bigger than 44% of them (1,300 ft² against a typical 1,372 ft²), its lot is bigger than 78% of them (0.88 ac against a typical 0.19 ac) and it is newer than 5% of them (1920 against a typical 1969). Measured against all of Fresno County, it is worth more than 19% 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 21087 S Marks Ave, Riverdale, CA?

The 2025 property tax bill for 21087 S Marks Ave, Riverdale, CA was $3,406. The county assessed it at $320,180.

More homes on S Marks Ave

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