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Single Family ResidenceResidential
$1,066,066$378 / 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 85How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $735,000 on Aug 31, 2005

9890 COOK AVE

RIVERSIDE, CA 92503
4
Beds
2.8
Baths
2,821 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.
0.56 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$910K low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$735,000 · Aug 31, 2005
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$715,066
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$572,053
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.34%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$351,000
PROFESSIONAL CONSOLIDATED FINL · P · recorded Aug 31, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,029 (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.$780,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$234,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$546,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$811,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$844,920

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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.1990
Lot (acres)The size of the land the home sits on, from county records.0.56
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.Tile
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.Yes

Transaction History(2)

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.

M
Wells Middle SchoolD-
Middle · Grades 6–8 · 0.6 mi
E
Foothill Elementary SchoolD+
Elementary · Grades KG–5 · 0.7 mi
H
La Sierra High SchoolC-
High · Grades 9–12 · 1.5 mi

District: Alvord 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

9890 Cook 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 most valuable homes in Arlanza
  • Costs less per square foot than 79% of homes in Arlanza
  • Bigger than 98% of homes in Arlanza
  • Has a bigger lot than 97% of homes in Arlanza
  • Newer than 94% of homes in Arlanza

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
$386K$1.1M

This home is worth more than 97% 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$1,066,066
CheaperTypical $598,202Pricier

Pricier than 97% of homes nearby

Price per ft²$378
CheaperTypical $382Pricier

Pricier than 48% of homes nearby

Living area2,821 ft²
SmallerTypical 1,540 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.56 ac
SmallerTypical 0.19 acBigger

Bigger than 91% of homes nearby

Year built1988
OlderTypical 1978Newer

Newer than 67% of homes nearby

How 9890 Cook Ave ranks against every home in each area.
MeasureThis homeArlanzaRiverside 92503Riverside County
Estimated valuepricier than$1,066,066almost all homes97% of homes93% of homes
Price per ft²pricier than$37821% of homes48% of homes75% of homes
Living areabigger than2,821 ft²98% of homes84% of homes84% of homes
Lot sizebigger than0.56 ac97% of homes91% of homes77% of homes
Year builtnewer than198894% of homes67% of homes44% of homes

About 9890 Cook Ave

How much is 9890 Cook Ave, Riverside, CA worth?

The TopHap Estimate for 9890 Cook Ave, Riverside, CA is $1,066,066 as of Jul 14, 2026. The likely range is $909,719 to $1,222,413. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9890 Cook Ave, Riverside, CA last sell?

9890 Cook Ave, Riverside, CA last sold on Aug 31, 2005 for $735,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 9890 Cook Ave, Riverside, CA?

9890 Cook Ave, Riverside, CA has 4 bedrooms, 2.8 bathrooms, 2,821 square feet of living space and a 0.56-acre lot.

When was 9890 Cook Ave, Riverside, CA built?

9890 Cook Ave, Riverside, CA was built in 1988, making it 38 years old. The building has 2 stories.

What schools serve 9890 Cook Ave, Riverside, CA?

9890 Cook Ave, Riverside, CA is assigned to Wells Middle School (middle), rated D-; Foothill Elementary School (elementary), rated D+; La Sierra High School (high), rated C-. All sit in Alvord Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9890 Cook Ave, Riverside, CA compare to other homes in Riverside 92503?

Among the 21,423 homes in Riverside 92503, it is worth more than 97% of them ($1,066,066 against a typical $598,202), its price per square foot is higher than 48% of them ($378 against a typical $382), it is bigger than 84% of them (2,821 ft² against a typical 1,540 ft²), its lot is bigger than 91% of them (0.56 ac against a typical 0.19 ac) and it is newer than 67% of them (1988 against a typical 1978). Measured against all of Riverside County, it is worth more than 93% 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 9890 Cook Ave, Riverside, CA?

The 2025 property tax bill for 9890 Cook Ave, Riverside, CA was $10,029. The county assessed it at $780,000.

More homes on Cook Ave

Closest homes

More homes in Riverside 92503

Assigned schools

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