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Single Family ResidenceResidential
$324,428$208 / 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

503 I ST

MENDOTA, CA 93640
3
Beds
1
Baths
1,557 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.
1.99 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$324K
$304K low$345K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,136 (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.$97,535 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$29,363
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$68,172
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$95,624

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
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
CoolingThe type of cooling or air conditioning in the home.Evaporative
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Washington Elementary School
Elementary · Grades KG–1 · 0.7 mi
H
Mendota High SchoolC+
High · Grades 9–12 · 1.1 mi
M
Mendota Junior High SchoolC+
Middle · Grades 7–8 · 1.1 mi

District: Mendota Unified School District

Neighborhood · ZIP 93640These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.199

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.3.1%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.29%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.2.3%
PopulationHow many people live in this area.11,133
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.63 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$37,182
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$49,700
Average tempThe average temperature here across a full year.62°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.79%

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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 I 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 68% of homes in Fresno County
  • Costs less per square foot than 79% of homes in Fresno County
  • Bigger than 77% of homes in Mendota 93640
  • Has a bigger lot than 98% of homes in Mendota 93640

What homes are worth in Mendota 93640

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

This home
$150K$404K

This home is worth more than 62% of homes in Mendota 93640.

How it measures up in Mendota 93640

The dot is this home. The mark in the middle is the typical home in Mendota 93640.

Estimated value$324,428
CheaperTypical $295,108Pricier

Pricier than 62% of homes nearby

Price per ft²$208
CheaperTypical $229Pricier

Pricier than 25% of homes nearby

Living area1,557 ft²
SmallerTypical 1,306 ft²Bigger

Bigger than 77% of homes nearby

Lot size1.99 ac
SmallerTypical 0.15 acBigger

Bigger than 98% of homes nearby

Year built1982
OlderTypical 1990Newer

Newer than 43% of homes nearby

How 503 I St ranks against every home in each area.
MeasureThis homeMendota 93640Fresno County
Estimated valuepricier than$324,42862% of homes32% of homes
Price per ft²pricier than$20825% of homes21% of homes
Living areabigger than1,557 ft²77% of homes47% of homes
Lot sizebigger than1.99 ac98% of homes94% of homes
Year builtnewer than198243% of homes49% of homes

About 503 I St

How much is 503 I St, Mendota, CA worth?

The TopHap Estimate for 503 I St, Mendota, CA is $324,428 as of Sep 24, 2026. The likely range is $304,048 to $344,808. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 503 I St, Mendota, CA last sell?

503 I St, Mendota, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 503 I St, Mendota, CA?

503 I St, Mendota, CA has 3 bedrooms, 1 bathrooms and 1,557 square feet of living space.

When was 503 I St, Mendota, CA built?

503 I St, Mendota, CA was built in 1982, making it 44 years old. It is a custom design home. The building has 1 story.

What schools serve 503 I St, Mendota, CA?

503 I St, Mendota, CA is assigned to Washington Elementary School (elementary); Mendota High School (high), rated C+; Mendota Junior High School (middle), rated C+. All sit in Mendota Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 503 I St, Mendota, CA compare to other homes in Mendota 93640?

Among the 1,903 homes in Mendota 93640, it is worth more than 62% of them ($324,428 against a typical $295,108), its price per square foot is higher than 25% of them ($208 against a typical $229), it is bigger than 77% of them (1,557 ft² against a typical 1,306 ft²), its lot is bigger than 98% of them (1.99 ac against a typical 0.15 ac) and it is newer than 43% of them (1982 against a typical 1990). Measured against all of Fresno County, it is worth more than 32% 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 I St, Mendota, CA?

The 2025 property tax bill for 503 I St, Mendota, CA was $1,136. The county assessed it at $97,535.

More homes on I St

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More homes in Mendota 93640

Assigned schools

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