Skip to content
Skip to content
TopHapOpen in map
Rural ResidenceResidential
$134,275$147 / 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 80How 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
Last sold for $30,000 on Mar 6, 2019

448 E RIVER AVE

PORTERVILLE, CA 93257
0
Baths
914 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.
0.58 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.

Valuation

$134K
$107K low$162K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$30,000 · Mar 6, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$362 (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.$33,464 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$33,464
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$33,464

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.56
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
77
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.
6
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.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Rural Residence
CountyTulare
Lot (acres)The size of the land the home sits on, from county records.0.58
HeatingThe type of heating system in the home.None

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
John J. Doyle Elementary SchoolB-
Elementary · Grades KG–6 · 0.7 mi
M
Pioneer Middle SchoolC+
Middle · Grades 6–8 · 0.7 mi
H
Granite Hills High SchoolC
High · Grades 9–12 · 1.8 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%

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

448 E River 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.

  • Among the least valuable homes in Porterville 93257
  • Costs less per square foot than 95% of homes in Tulare County
  • Smaller than 94% of homes in Tulare County
  • Has a bigger lot than 82% of homes in Tulare County
  • Older than 96% of homes in Porterville 93257

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
$148K$643K

This home is worth less than almost all 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$134,275
CheaperTypical $289,642Pricier

Cheaper than almost all homes nearby

Price per ft²$147
CheaperTypical $206Pricier

Pricier than 8% of homes nearby

Living area914 ft²
SmallerTypical 1,442 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.58 ac
SmallerTypical 0.2 acBigger

Bigger than 81% of homes nearby

Year built1900
OlderTypical 1978Newer

Newer than 4% of homes nearby

How 448 E River Ave ranks against every home in each area.
MeasureThis homePorterville 93257Tulare County
Estimated valuepricier than$134,275almost no homes2% of homes
Price per ft²pricier than$1478% of homes5% of homes
Living areabigger than914 ft²8% of homes6% of homes
Lot sizebigger than0.58 ac81% of homes82% of homes
Year builtnewer than19004% of homes4% of homes

About 448 E River Ave

How much is 448 E River Ave, Porterville, CA worth?

The TopHap Estimate for 448 E River Ave, Porterville, CA is $134,275 as of Aug 30, 2026. The likely range is $106,809 to $161,741. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 448 E River Ave, Porterville, CA last sell?

448 E River Ave, Porterville, CA last sold on Mar 6, 2019 for $30,000, according to the county's recorded deed.

How big is 448 E River Ave, Porterville, CA?

448 E River Ave, Porterville, CA has 914 square feet of living space and a 0.58-acre lot.

When was 448 E River Ave, Porterville, CA built?

448 E River Ave, Porterville, CA was built in 1900, making it 126 years old.

What schools serve 448 E River Ave, Porterville, CA?

448 E River Ave, Porterville, CA is assigned to John J. Doyle Elementary School (elementary), rated B-; Pioneer Middle School (middle), rated C+; Granite Hills High School (high), rated C. All sit in Porterville Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 448 E River Ave, Porterville, CA compare to other homes in Porterville 93257?

Among the 19,907 homes in Porterville 93257, it is worth more than almost none of them ($134,275 against a typical $289,642), its price per square foot is higher than 8% of them ($147 against a typical $206), it is bigger than 8% of them (914 ft² against a typical 1,442 ft²), its lot is bigger than 81% of them (0.58 ac against a typical 0.2 ac) and it is newer than 4% of them (1900 against a typical 1978). Measured against all of Tulare County, it is worth more than 2% 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 448 E River Ave, Porterville, CA?

The 2025 property tax bill for 448 E River Ave, Porterville, CA was $362. The county assessed it at $33,464.

More homes on E River Ave

Closest homes

More homes in Porterville 93257

Assigned schools

Explore the area

See this home in context

Open 448 E River Ave 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