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Single Family ResidenceResidential
$200,626$193 / 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 Aug 30, 2026

857 S PROSPECT ST

PORTERVILLE, CA 93257
3
Beds
1
Baths
1,042 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
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

$201K
$184K low$218K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,033 (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.$95,492 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$37,081
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$58,411
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$95,492

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.58
42
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
82
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
64
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
5
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
98
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 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.minimal

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
CountyTulare
Lot (acres)The size of the land the home sits on, from county records.0.50
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Floor/Wall Furnace
CoolingThe type of cooling or air conditioning in the home.Evaporative
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
Porterville High SchoolB+
High · Grades 9–12 · 1.4 mi
M
Pioneer Middle SchoolC+
Middle · Grades 6–8 · 1.8 mi
E
Vandalia Elementary SchoolC+
Elementary · Grades KG–5 · 1.9 mi

District: Porterville Unified School District

Neighborhood · ZIP 93257These 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.91
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.131

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.8.3%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.3.1%
PopulationHow many people live in this area.83,123
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.198 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,283
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,150
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.20 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.70%

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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

857 S Prospect 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 89% of homes in Tulare County
  • Costs less per square foot than 71% of homes in Tulare County
  • Smaller than 87% of homes in Tulare County
  • Has a bigger lot than 81% of homes in Tulare County
  • Older than 79% of homes in Tulare County

What homes are worth in Porterville 93257

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

This home
$151K$632K

This home is worth more than 13% of homes in Porterville 93257.

How it measures up in Porterville 93257

The dot is this home. The mark in the middle is the typical home in Porterville 93257.

Estimated value$200,626
CheaperTypical $291,225Pricier

Pricier than 13% of homes nearby

Price per ft²$193
CheaperTypical $207Pricier

Pricier than 37% of homes nearby

Living area1,042 ft²
SmallerTypical 1,431 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.5 ac
SmallerTypical 0.2 acBigger

Bigger than 79% of homes nearby

Year built1956
OlderTypical 1978Newer

Newer than 26% of homes nearby

How 857 S Prospect St ranks against every home in each area.
MeasureThis homePorterville 93257Tulare County
Estimated valuepricier than$200,62613% of homes11% of homes
Price per ft²pricier than$19337% of homes29% of homes
Living areabigger than1,042 ft²15% of homes13% of homes
Lot sizebigger than0.5 ac79% of homes81% of homes
Year builtnewer than195626% of homes21% of homes

About 857 S Prospect St

How much is 857 S Prospect St, Porterville, CA worth?

The TopHap Estimate for 857 S Prospect St, Porterville, CA is $200,626 as of Aug 30, 2026. The likely range is $183,582 to $217,670. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 857 S Prospect St, Porterville, CA last sell?

857 S Prospect St, Porterville, CA last sold on Aug 29, 2018, according to the county's recorded deed.

How big is 857 S Prospect St, Porterville, CA?

857 S Prospect St, Porterville, CA has 3 bedrooms, 1 bathrooms, 1,042 square feet of living space and a 0.50-acre lot.

When was 857 S Prospect St, Porterville, CA built?

857 S Prospect St, Porterville, CA was built in 1956, making it 70 years old. The building has 1 story.

What schools serve 857 S Prospect St, Porterville, CA?

857 S Prospect St, Porterville, CA is assigned to Porterville High School (high), rated B+; Pioneer Middle School (middle), rated C+; Vandalia Elementary School (elementary), rated C+. All sit in Porterville Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 857 S Prospect St, Porterville, CA compare to other homes in Porterville 93257?

Among the 19,907 homes in Porterville 93257, it is worth more than 13% of them ($200,626 against a typical $291,225), its price per square foot is higher than 37% of them ($193 against a typical $207), it is bigger than 15% of them (1,042 ft² against a typical 1,431 ft²), its lot is bigger than 79% of them (0.5 ac against a typical 0.2 ac) and it is newer than 26% of them (1956 against a typical 1978). Measured against all of Tulare County, it is worth more than 11% 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 857 S Prospect St, Porterville, CA?

The 2025 property tax bill for 857 S Prospect St, Porterville, CA was $1,033. The county assessed it at $95,492.

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