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Single Family ResidenceResidential
$623,198$467 / 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 Jul 14, 2026
Last sold for $500,000 on Nov 1, 2022

10003 WALNUT GROVE AVE

RIVERSIDE, CA 92503
3
Beds
1.8
Baths
1,335 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
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

$623K
$592K low$654K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$500,000 · Nov 1, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,761 (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.$530,603 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$159,181
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$371,422
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$520,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$591,300

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.5 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
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.1960
Lot (acres)The size of the land the home sits on, from county records.0.15
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
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(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
Harrison Elementary SchoolD+
Elementary · Grades KG–6 · 0.2 mi
H
Arlington High SchoolC-
High · Grades 9–12 · 1.2 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

10003 Walnut Grove 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 74% of homes in Arlington South
  • Costs more per square foot than 90% of homes in Riverside County
  • Smaller than 78% of homes in Riverside County
  • Has a smaller lot than 80% of homes in Riverside 92503
  • Older than 91% of homes in Arlington South

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
$397K$1.1M

This home is worth more than 59% 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$623,198
CheaperTypical $597,272Pricier

Pricier than 59% of homes nearby

Price per ft²$467
CheaperTypical $379Pricier

Pricier than 80% of homes nearby

Living area1,335 ft²
SmallerTypical 1,537 ft²Bigger

Bigger than 36% of homes nearby

Lot size0.15 ac
SmallerTypical 0.19 acBigger

Bigger than 20% of homes nearby

Year built1959
OlderTypical 1978Newer

Newer than 23% of homes nearby

How 10003 Walnut Grove Ave ranks against every home in each area.
MeasureThis homeArlington SouthRiverside 92503Riverside County
Estimated valuepricier than$623,19874% of homes59% of homes59% of homes
Price per ft²pricier than$46787% of homes80% of homes90% of homes
Living areabigger than1,335 ft²36% of homes36% of homes22% of homes
Lot sizebigger than0.15 ac22% of homes20% of homes25% of homes
Year builtnewer than19599% of homes23% of homes9% of homes

About 10003 Walnut Grove Ave

How much is 10003 Walnut Grove Ave, Riverside, CA worth?

The TopHap Estimate for 10003 Walnut Grove Ave, Riverside, CA is $623,198 as of Jul 14, 2026. The likely range is $592,287 to $654,109. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10003 Walnut Grove Ave, Riverside, CA last sell?

10003 Walnut Grove Ave, Riverside, CA last sold on Nov 1, 2022 for $500,000, according to the county's recorded deed.

How big is 10003 Walnut Grove Ave, Riverside, CA?

10003 Walnut Grove Ave, Riverside, CA has 3 bedrooms, 1.8 bathrooms, 1,335 square feet of living space and a 0.15-acre lot.

When was 10003 Walnut Grove Ave, Riverside, CA built?

10003 Walnut Grove Ave, Riverside, CA was built in 1959, making it 67 years old. The building has 1 story.

What schools serve 10003 Walnut Grove Ave, Riverside, CA?

10003 Walnut Grove Ave, Riverside, CA is assigned to Harrison 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 10003 Walnut Grove Ave, Riverside, CA compare to other homes in Riverside 92503?

Among the 21,419 homes in Riverside 92503, it is worth more than 59% of them ($623,198 against a typical $597,272), its price per square foot is higher than 80% of them ($467 against a typical $379), it is bigger than 36% of them (1,335 ft² against a typical 1,537 ft²), its lot is bigger than 20% of them (0.15 ac against a typical 0.19 ac) and it is newer than 23% of them (1959 against a typical 1978). Measured against all of Riverside County, it is worth more than 59% 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 10003 Walnut Grove Ave, Riverside, CA?

The 2025 property tax bill for 10003 Walnut Grove Ave, Riverside, CA was $5,761. The county assessed it at $530,603.

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