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Single Family ResidenceResidential
$1,135,750$340 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jun 23, 2026
Last sold for $810,000 on Dec 10, 2021

4310 RIVER RIDGE DR

NORCO, CA 92860
5
Beds
3
Baths
3,339 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.
0.61 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
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

$1.1M
$1M 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.$810,000 · Dec 10, 2021
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.$414,000
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$331,200
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.64%
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.$625,000
UNITED AMERICAN MORTGAGE CORP · recorded Dec 10, 2021
2nd 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.$96,750
QUORUM FEDERAL CU

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,693 (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.$876,768 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$162,364
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$714,404
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$859,578
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$713,430

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.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

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
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
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.1987
Lot (acres)The size of the land the home sits on, from county records.0.61
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.No

Transaction History(5)

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 · 0.3 mi
M
Norco Intermediate SchoolB-
Middle · Grades 7–8 · 1.9 mi
H
Norco High SchoolB-
High · Grades 9–12 · 2.4 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%

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

4310 River Ridge Dr 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 95% of homes in Riverside County
  • Costs less per square foot than 81% of homes in Norco 92860
  • Bigger than 92% of homes in Riverside County
  • Has a bigger lot than 78% of homes in Riverside County
  • Newer than 74% of homes in Norco 92860

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
$476K$1.4M

This home is worth more than 89% 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$1,135,750
CheaperTypical $872,569Pricier

Pricier than 89% of homes nearby

Price per ft²$340
CheaperTypical $427Pricier

Pricier than 19% of homes nearby

Living area3,339 ft²
SmallerTypical 1,979 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.61 ac
SmallerTypical 0.5 acBigger

Bigger than 73% of homes nearby

Year built1986
OlderTypical 1974Newer

Newer than 74% of homes nearby

How 4310 River Ridge Dr ranks against every home in each area.
MeasureThis homeNorco 92860Riverside County
Estimated valuepricier than$1,135,75089% of homes95% of homes
Price per ft²pricier than$34019% of homes63% of homes
Living areabigger than3,339 ft²88% of homes92% of homes
Lot sizebigger than0.61 ac73% of homes78% of homes
Year builtnewer than198674% of homes38% of homes

About 4310 River Ridge Dr

How much is 4310 River Ridge Dr, Norco, CA worth?

The TopHap Estimate for 4310 River Ridge Dr, Norco, CA is $1,135,750 as of Jun 23, 2026. The likely range is $1,044,890 to $1,226,610. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4310 River Ridge Dr, Norco, CA last sell?

4310 River Ridge Dr, Norco, CA last sold on Dec 10, 2021 for $810,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4310 River Ridge Dr, Norco, CA?

4310 River Ridge Dr, Norco, CA has 5 bedrooms, 3 bathrooms, 3,339 square feet of living space and a 0.61-acre lot.

When was 4310 River Ridge Dr, Norco, CA built?

4310 River Ridge Dr, Norco, CA was built in 1986, making it 40 years old. It is a traditional/old home. The building has 1 story.

What schools serve 4310 River Ridge Dr, Norco, CA?

4310 River Ridge Dr, Norco, CA is assigned to Highland Elementary School (elementary), rated A; Norco Intermediate School (middle), rated B-; Norco High School (high), rated B-. All sit in Corona-Norco Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4310 River Ridge Dr, Norco, CA compare to other homes in Norco 92860?

Among the 6,814 homes in Norco 92860, it is worth more than 89% of them ($1,135,750 against a typical $872,569), its price per square foot is higher than 19% of them ($340 against a typical $427), it is bigger than 88% of them (3,339 ft² against a typical 1,979 ft²), its lot is bigger than 73% of them (0.61 ac against a typical 0.5 ac) and it is newer than 74% of them (1986 against a typical 1974). Measured against all of Riverside County, it is worth more than 95% 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 4310 River Ridge Dr, Norco, CA?

The 2025 property tax bill for 4310 River Ridge Dr, Norco, CA was $9,693. The county assessed it at $876,768.

Closest homes

More homes in Norco 92860

Assigned schools

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