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Single Family ResidenceResidential
$584,770$423 / 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 96How 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 $145,000 on May 22, 2009

10091 DIANA AVE

RIVERSIDE, CA 92503
4
Beds
1.8
Baths
1,384 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1961
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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

$585K
$560K low$610K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$145,000 · May 22, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,608 (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.$325,525 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$111,181
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$214,344
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$319,143
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$334,980

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.0.2 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.Single Family Residence
CountyRIVERSIDE
Lot (acres)The size of the land the home sits on, from county records.0.14
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(3)

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

E
Liberty Elementary SchoolD+
Elementary · Grades KG–6 · 0.9 mi
H
Arlington High SchoolC+
High · Grades 9–12 · 1.4 mi
M
Chemawa Middle SchoolC-
Middle · Grades 7–8 · 1.7 mi

District: Riverside Unified School District

Neighborhood · ZIP 92503These 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.57
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.290

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.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
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.96,024
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,949 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,069
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,138
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.12 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

10091 Diana 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 more than 72% of homes in Arlington
  • Costs more per square foot than 83% of homes in Riverside County
  • Smaller than 74% of homes in Riverside County
  • Has a smaller lot than 92% of homes in Arlington
  • Older than 89% of homes in Riverside County

What homes are worth in Riverside 92503

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

This home
$372K$1.2M

This home is worth more than 46% of homes in Riverside 92503.

How it measures up in Riverside 92503

The dot is this home. The mark in the middle is the typical home in Riverside 92503.

Estimated value$584,770
CheaperTypical $596,407Pricier

Pricier than 46% of homes nearby

Price per ft²$423
CheaperTypical $374Pricier

Pricier than 69% of homes nearby

Living area1,384 ft²
SmallerTypical 1,536 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.14 ac
SmallerTypical 0.19 acBigger

Bigger than 13% of homes nearby

Year built1961
OlderTypical 1978Newer

Newer than 26% of homes nearby

How 10091 Diana Ave ranks against every home in each area.
MeasureThis homeArlingtonRiverside 92503Riverside County
Estimated valuepricier than$584,77072% of homes46% of homes49% of homes
Price per ft²pricier than$42344% of homes69% of homes83% of homes
Living areabigger than1,384 ft²61% of homes39% of homes26% of homes
Lot sizebigger than0.14 ac8% of homes13% of homes18% of homes
Year builtnewer than196154% of homes26% of homes11% of homes

About 10091 Diana Ave

How much is 10091 Diana Ave, Riverside, CA worth?

The TopHap Estimate for 10091 Diana Ave, Riverside, CA is $584,770 as of Oct 21, 2026. The likely range is $559,801 to $609,739. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10091 Diana Ave, Riverside, CA last sell?

10091 Diana Ave, Riverside, CA last sold on May 22, 2009 for $145,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 10091 Diana Ave, Riverside, CA?

10091 Diana Ave, Riverside, CA has 4 bedrooms, 1.8 bathrooms, 1,384 square feet of living space and a 0.14-acre lot.

When was 10091 Diana Ave, Riverside, CA built?

10091 Diana Ave, Riverside, CA was built in 1961, making it 65 years old. The building has 1 story.

What schools serve 10091 Diana Ave, Riverside, CA?

10091 Diana Ave, Riverside, CA is assigned to Liberty Elementary School (elementary), rated D+; Arlington High School (high), rated C+; Chemawa Middle School (middle), rated C-. All sit in Riverside Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10091 Diana Ave, Riverside, CA compare to other homes in Riverside 92503?

Among the 21,428 homes in Riverside 92503, it is worth more than 46% of them ($584,770 against a typical $596,407), its price per square foot is higher than 69% of them ($423 against a typical $374), it is bigger than 39% of them (1,384 ft² against a typical 1,536 ft²), its lot is bigger than 13% of them (0.14 ac against a typical 0.19 ac) and it is newer than 26% of them (1961 against a typical 1978). Measured against all of Riverside County, it is worth more than 49% 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 10091 Diana Ave, Riverside, CA?

The 2025 property tax bill for 10091 Diana Ave, Riverside, CA was $3,608. The county assessed it at $325,525.

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