Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$583,221$424 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jun 25, 2026
Last sold for $215,000 on Mar 31, 2009

10421 COOK AVE

RIVERSIDE, CA 92505
3
Beds
1
Baths
1,375 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.
1.64 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
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

$583K
$542K low$624K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$215,000 · Mar 31, 2009
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.$583,221
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$466,577

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$95 (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.$307,167 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$163,278
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$143,889
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$301,145
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$419,580

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyRIVERSIDE
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Myra Linn Elementary SchoolC
Elementary · Grades KG–5 · 0.2 mi
H
La Sierra High SchoolC-
High · Grades 9–12 · 1.0 mi
M
Arizona Middle SchoolB-
Middle · Grades 6–8 · 2.2 mi

District: Alvord Unified School District

Neighborhood · ZIP 92505These 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.68
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 100.296

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.53,012
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,326 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,440
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,650
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.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

10421 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.

  • 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 94% of homes in Riverside 92505
  • Older than 98% of homes in Riverside County

What homes are worth in Riverside 92505

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

This home
$353K$901K

This home is worth more than 39% of homes in Riverside 92505.

How it measures up in Riverside 92505

The dot is this home. The mark in the middle is the typical home in Riverside 92505.

Estimated value$583,221
CheaperTypical $605,396Pricier

Pricier than 39% of homes nearby

Price per ft²$424
CheaperTypical $396Pricier

Pricier than 64% of homes nearby

Living area1,375 ft²
SmallerTypical 1,517 ft²Bigger

Bigger than 37% of homes nearby

Lot size1.64 ac
SmallerTypical 0.2 acBigger

Bigger than 94% of homes nearby

Year built1940
OlderTypical 1977Newer

Newer than 3% of homes nearby

How 10421 Cook Ave ranks against every home in each area.
MeasureThis homeLa SierraRiverside 92505Riverside County
Estimated valuepricier than$583,22139% of homes39% of homes50% of homes
Price per ft²pricier than$42464% of homes64% of homes85% of homes
Living areabigger than1,375 ft²37% of homes37% of homes25% of homes
Lot sizebigger than1.64 ac92% of homes94% of homes90% of homes
Year builtnewer than19404% of homes3% of homes2% of homes

About 10421 Cook Ave

How much is 10421 Cook Ave, Riverside, CA worth?

The TopHap Estimate for 10421 Cook Ave, Riverside, CA is $583,221 as of Jun 25, 2026. The likely range is $542,171 to $624,271. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10421 Cook Ave, Riverside, CA last sell?

10421 Cook Ave, Riverside, CA last sold on Mar 31, 2009 for $215,000, according to the county's recorded deed.

How big is 10421 Cook Ave, Riverside, CA?

10421 Cook Ave, Riverside, CA has 3 bedrooms, 1 bathrooms and 1,375 square feet of living space.

When was 10421 Cook Ave, Riverside, CA built?

10421 Cook Ave, Riverside, CA was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 10421 Cook Ave, Riverside, CA?

10421 Cook Ave, Riverside, CA is assigned to Myra Linn Elementary School (elementary), rated C; La Sierra High School (high), rated C-; Arizona Middle School (middle), rated B-. All sit in Alvord Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10421 Cook Ave, Riverside, CA compare to other homes in Riverside 92505?

Among the 10,250 homes in Riverside 92505, it is worth more than 39% of them ($583,221 against a typical $605,396), its price per square foot is higher than 64% of them ($424 against a typical $396), it is bigger than 37% of them (1,375 ft² against a typical 1,517 ft²), its lot is bigger than 94% of them (1.64 ac against a typical 0.2 ac) and it is newer than 3% of them (1940 against a typical 1977). Measured against all of Riverside County, it is worth more than 50% 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 10421 Cook Ave, Riverside, CA?

The 2025 property tax bill for 10421 Cook Ave, Riverside, CA was $95. The county assessed it at $307,167.

More homes on Cook Ave

Closest homes

More homes in Riverside 92505

Assigned schools

Explore the area

See this home in context

Open 10421 Cook 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