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Single Family ResidenceResidential
$573,971$420 / 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 95How 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 $335,000 on Dec 16, 2004

4203 ISABELLA ST

RIVERSIDE, CA 92501
4
Beds
2
Baths
1,365 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.
0.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$574K
$545K low$603K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$335,000 · Dec 16, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,812 (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.$476,272 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$170,601
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$305,671
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$466,934
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$453,780

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.Ranch
CountyRIVERSIDE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1976
Lot (acres)The size of the land the home sits on, from county records.0.37
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Rock / Gravel
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(6)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Central Middle School of Arts and InnovationC-
Middle · Grades 7–8 · 0.7 mi
E
Magnolia Elementary SchoolA-
Elementary · Grades KG–6 · 1.4 mi
H
Poly High SchoolB
High · Grades 9–12 · 2.4 mi

District: Riverside Unified School District

Neighborhood · ZIP 92501These 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.98
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.428

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.22,671
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,923 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,089
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,158
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.11 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.68%

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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

4203 Isabella 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 more than 66% of homes in Riverside 92501
  • Costs more per square foot than 85% of homes in Riverside County
  • Smaller than 75% of homes in Riverside County
  • Has a bigger lot than 93% of homes in Downtown Riverside
  • Newer than 89% of homes in Downtown Riverside

What homes are worth in Riverside 92501

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

This home
$370K$918K

This home is worth more than 66% of homes in Riverside 92501.

How it measures up in Riverside 92501

The dot is this home. The mark in the middle is the typical home in Riverside 92501.

Estimated value$573,971
CheaperTypical $530,439Pricier

Pricier than 66% of homes nearby

Price per ft²$420
CheaperTypical $381Pricier

Pricier than 68% of homes nearby

Living area1,365 ft²
SmallerTypical 1,404 ft²Bigger

Bigger than 46% of homes nearby

Lot size0.37 ac
SmallerTypical 0.17 acBigger

Bigger than 93% of homes nearby

Year built1975
OlderTypical 1956Newer

Newer than 67% of homes nearby

How 4203 Isabella St ranks against every home in each area.
MeasureThis homeDowntown RiversideRiverside 92501Riverside County
Estimated valuepricier than$573,97153% of homes66% of homes48% of homes
Price per ft²pricier than$42055% of homes68% of homes85% of homes
Living areabigger than1,365 ft²44% of homes46% of homes25% of homes
Lot sizebigger than0.37 ac93% of homes93% of homes72% of homes
Year builtnewer than197589% of homes67% of homes21% of homes

About 4203 Isabella St

How much is 4203 Isabella St, Riverside, CA worth?

The TopHap Estimate for 4203 Isabella St, Riverside, CA is $573,971 as of Aug 30, 2026. The likely range is $544,701 to $603,241. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4203 Isabella St, Riverside, CA last sell?

4203 Isabella St, Riverside, CA last sold on Dec 16, 2004 for $335,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 4203 Isabella St, Riverside, CA?

4203 Isabella St, Riverside, CA has 4 bedrooms, 2 bathrooms, 1,365 square feet of living space and a 0.37-acre lot.

When was 4203 Isabella St, Riverside, CA built?

4203 Isabella St, Riverside, CA was built in 1975, making it 51 years old. It is a ranch home. The building has 1 story.

What schools serve 4203 Isabella St, Riverside, CA?

4203 Isabella St, Riverside, CA is assigned to Central Middle School of Arts and Innovation (middle), rated C-; Magnolia Elementary School (elementary), rated A-; Poly High School (high), rated B. All sit in Riverside Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4203 Isabella St, Riverside, CA compare to other homes in Riverside 92501?

Among the 4,902 homes in Riverside 92501, it is worth more than 66% of them ($573,971 against a typical $530,439), its price per square foot is higher than 68% of them ($420 against a typical $381), it is bigger than 46% of them (1,365 ft² against a typical 1,404 ft²), its lot is bigger than 93% of them (0.37 ac against a typical 0.17 ac) and it is newer than 67% of them (1975 against a typical 1956). Measured against all of Riverside County, it is worth more than 48% 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 4203 Isabella St, Riverside, CA?

The 2025 property tax bill for 4203 Isabella St, Riverside, CA was $9,812. The county assessed it at $476,272.

More homes on Isabella St

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Assigned schools

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