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Single Family ResidenceResidential
$784,475$433 / 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 Jul 14, 2026
Last sold for $355,000 on Jul 13, 2011

817 ROCK RIDGE CT

CORONA, CA 92878
3
Beds
2.5
Baths
1,812 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$784K
$726K low$843K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$355,000 · Jul 13, 2011
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.$423,975
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$339,180
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.44%
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.$360,500
UNITED WHOLESALE MORTGAGE · recorded Jun 9, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,110 (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.$454,801 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$128,109
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$326,692
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$445,885
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$620,730

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.49
60
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
77
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
58
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
14
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
39
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.24 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
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.1995
Lot (acres)The size of the land the home sits on, from county records.0.18
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(7)

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 · 3.4 mi
H
Norco High SchoolB-
High · Grades 9–12 · 3.4 mi
M
Norco Intermediate SchoolB-
Middle · Grades 7–8 · 3.8 mi

District: Corona-Norco Unified School District

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

817 Rock Ridge Ct 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 81% of homes in Riverside County
  • Costs more per square foot than 86% of homes in Riverside County
  • Newer than 68% of homes in ZIP 92878

What homes are worth in ZIP 92878

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

This home
$493K$985K

This home is worth more than 59% of homes in ZIP 92878.

How it measures up in ZIP 92878

The dot is this home. The mark in the middle is the typical home in ZIP 92878.

Estimated value$784,475
CheaperTypical $758,538Pricier

Pricier than 59% of homes nearby

Price per ft²$433
CheaperTypical $422Pricier

Pricier than 59% of homes nearby

Living area1,812 ft²
SmallerTypical 1,694 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.18 ac
SmallerTypical 0.17 acBigger

Bigger than 61% of homes nearby

Year built1994
OlderTypical 1987Newer

Newer than 68% of homes nearby

How 817 Rock Ridge Ct ranks against every home in each area.
MeasureThis homeZIP 92878Riverside County
Estimated valuepricier than$784,47559% of homes81% of homes
Price per ft²pricier than$43359% of homes86% of homes
Living areabigger than1,812 ft²60% of homes51% of homes
Lot sizebigger than0.18 ac61% of homes45% of homes
Year builtnewer than199468% of homes55% of homes

About 817 Rock Ridge Ct

How much is 817 Rock Ridge Ct, Corona, CA worth?

The TopHap Estimate for 817 Rock Ridge Ct, Corona, CA is $784,475 as of Jul 14, 2026. The likely range is $726,114 to $842,836. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 817 Rock Ridge Ct, Corona, CA last sell?

817 Rock Ridge Ct, Corona, CA last sold on Jul 13, 2011 for $355,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 817 Rock Ridge Ct, Corona, CA?

817 Rock Ridge Ct, Corona, CA has 3 bedrooms, 2.5 bathrooms, 1,812 square feet of living space and a 0.18-acre lot.

When was 817 Rock Ridge Ct, Corona, CA built?

817 Rock Ridge Ct, Corona, CA was built in 1994, making it 32 years old. The building has 2 stories.

What schools serve 817 Rock Ridge Ct, Corona, CA?

817 Rock Ridge Ct, Corona, 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 817 Rock Ridge Ct, Corona, CA compare to other homes in ZIP 92878?

Among the 3,798 homes in ZIP 92878, it is worth more than 59% of them ($784,475 against a typical $758,538), its price per square foot is higher than 59% of them ($433 against a typical $422), it is bigger than 60% of them (1,812 ft² against a typical 1,694 ft²), its lot is bigger than 61% of them (0.18 ac against a typical 0.17 ac) and it is newer than 68% of them (1994 against a typical 1987). Measured against all of Riverside County, it is worth more than 81% 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 817 Rock Ridge Ct, Corona, CA?

The 2025 property tax bill for 817 Rock Ridge Ct, Corona, CA was $5,110. The county assessed it at $454,801.

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Assigned schools

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