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Single Family ResidenceResidential
$877,395$470 / 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 90How 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 $289,000 on Jun 10, 2011

4923 ROUNDUP RD

NORCO, CA 92860
3
Beds
1.8
Baths
1,866 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.
0.47 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
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

$877K
$793K low$962K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$289,000 · Jun 10, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,111 (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.$377,647 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$104,535
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$273,112
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$370,243
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$587,160

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.1977
Lot (acres)The size of the land the home sits on, from county records.0.47
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.Wood Shingle
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(6)

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
Highland Elementary SchoolA
Elementary · Grades KG–6 · 2.5 mi
H
Norco High SchoolB-
High · Grades 9–12 · 2.9 mi
M
Norco Intermediate SchoolB-
Middle · Grades 7–8 · 3.1 mi

District: Corona-Norco Unified School District

Neighborhood · ZIP 92860These 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.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.360

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.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.27,720
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,990 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$122,196
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$139,314
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.13 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

4923 Roundup Rd 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 87% of homes in Riverside County
  • Costs more per square foot than 91% of homes in Riverside County
  • Has a bigger lot than 75% of homes in Riverside County
  • Older than 78% of homes in Riverside County

What homes are worth in Norco 92860

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

This home
$545K$1.4M

This home is worth more than 51% of homes in Norco 92860.

How it measures up in Norco 92860

The dot is this home. The mark in the middle is the typical home in Norco 92860.

Estimated value$877,395
CheaperTypical $875,203Pricier

Pricier than 51% of homes nearby

Price per ft²$470
CheaperTypical $440Pricier

Pricier than 61% of homes nearby

Living area1,866 ft²
SmallerTypical 1,982 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.47 ac
SmallerTypical 0.5 acBigger

Bigger than 36% of homes nearby

Year built1976
OlderTypical 1974Newer

Newer than 63% of homes nearby

How 4923 Roundup Rd ranks against every home in each area.
MeasureThis homeNorco 92860Riverside County
Estimated valuepricier than$877,39551% of homes87% of homes
Price per ft²pricier than$47061% of homes91% of homes
Living areabigger than1,866 ft²44% of homes53% of homes
Lot sizebigger than0.47 ac36% of homes75% of homes
Year builtnewer than197663% of homes22% of homes

About 4923 Roundup Rd

How much is 4923 Roundup Rd, Norco, CA worth?

The TopHap Estimate for 4923 Roundup Rd, Norco, CA is $877,395 as of Aug 30, 2026. The likely range is $793,120 to $961,670. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4923 Roundup Rd, Norco, CA last sell?

4923 Roundup Rd, Norco, CA last sold on Jun 10, 2011 for $289,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 4923 Roundup Rd, Norco, CA?

4923 Roundup Rd, Norco, CA has 3 bedrooms, 1.8 bathrooms, 1,866 square feet of living space and a 0.47-acre lot.

When was 4923 Roundup Rd, Norco, CA built?

4923 Roundup Rd, Norco, CA was built in 1976, making it 50 years old. The building has 1 story.

What schools serve 4923 Roundup Rd, Norco, CA?

4923 Roundup Rd, Norco, CA is assigned to Highland Elementary School (elementary), rated A; Norco High School (high), rated B-; Norco Intermediate School (middle), rated B-. All sit in Corona-Norco Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4923 Roundup Rd, Norco, CA compare to other homes in Norco 92860?

Among the 6,814 homes in Norco 92860, it is worth more than 51% of them ($877,395 against a typical $875,203), its price per square foot is higher than 61% of them ($470 against a typical $440), it is bigger than 44% of them (1,866 ft² against a typical 1,982 ft²), its lot is bigger than 36% of them (0.47 ac against a typical 0.5 ac) and it is newer than 63% of them (1976 against a typical 1974). Measured against all of Riverside County, it is worth more than 87% 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 4923 Roundup Rd, Norco, CA?

The 2025 property tax bill for 4923 Roundup Rd, Norco, CA was $4,111. The county assessed it at $377,647.

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