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Single Family ResidenceResidential
$538,208$410 / 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

3366 GRAMPION RD

RIVERSIDE, CA 92507
4
Beds
1.8
Baths
1,314 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$538K
$513K low$563K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,775 (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.$157,073 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$59,721
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$97,352
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$153,994
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$558,990

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
Lot (acres)The size of the land the home sits on, from county records.0.17
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(1)

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 SchoolC-
Elementary · Grades KG–6 · 0.8 mi
M
University Heights Middle SchoolC+
Middle · Grades 7–8 · 1.3 mi
H
John W. North High SchoolC+
High · Grades 9–12 · 1.8 mi

District: Riverside Unified School District

Neighborhood · ZIP 92507These 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.112
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 100.450

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.95%
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.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.64,491
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,078 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,160
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,952
Average tempThe average temperature here across a full year.63°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

3366 Grampion 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.

  • Costs more per square foot than 83% of homes in Riverside County
  • Smaller than 79% of homes in Riverside County
  • Has a smaller lot than 81% of homes in University of California Riverside
  • Older than 94% of homes in University of California Riverside

What homes are worth in Riverside 92507

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

This home
$294K$902K

This home is worth more than 37% of homes in Riverside 92507.

How it measures up in Riverside 92507

The dot is this home. The mark in the middle is the typical home in Riverside 92507.

Estimated value$538,208
CheaperTypical $593,386Pricier

Pricier than 37% of homes nearby

Price per ft²$410
CheaperTypical $370Pricier

Pricier than 70% of homes nearby

Living area1,314 ft²
SmallerTypical 1,572 ft²Bigger

Bigger than 32% of homes nearby

Lot size0.17 ac
SmallerTypical 0.19 acBigger

Bigger than 31% of homes nearby

Year built1956
OlderTypical 1977Newer

Newer than 23% of homes nearby

How 3366 Grampion Rd ranks against every home in each area.
MeasureThis homeUniversity of California RiversideRiverside 92507Riverside County
Estimated valuepricier than$538,20837% of homes37% of homes41% of homes
Price per ft²pricier than$41067% of homes70% of homes83% of homes
Living areabigger than1,314 ft²42% of homes32% of homes21% of homes
Lot sizebigger than0.17 ac19% of homes31% of homes30% of homes
Year builtnewer than19566% of homes23% of homes7% of homes

About 3366 Grampion Rd

How much is 3366 Grampion Rd, Riverside, CA worth?

The TopHap Estimate for 3366 Grampion Rd, Riverside, CA is $538,208 as of Jul 14, 2026. The likely range is $513,003 to $563,413. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3366 Grampion Rd, Riverside, CA last sell?

3366 Grampion Rd, Riverside, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3366 Grampion Rd, Riverside, CA?

3366 Grampion Rd, Riverside, CA has 4 bedrooms, 1.8 bathrooms, 1,314 square feet of living space and a 0.17-acre lot.

When was 3366 Grampion Rd, Riverside, CA built?

3366 Grampion Rd, Riverside, CA was built in 1956, making it 70 years old. It is a traditional/old home. The building has 1 story.

What schools serve 3366 Grampion Rd, Riverside, CA?

3366 Grampion Rd, Riverside, CA is assigned to Highland Elementary School (elementary), rated C-; University Heights Middle School (middle), rated C+; John W. North High School (high), rated C+. All sit in Riverside Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3366 Grampion Rd, Riverside, CA compare to other homes in Riverside 92507?

Among the 12,285 homes in Riverside 92507, it is worth more than 37% of them ($538,208 against a typical $593,386), its price per square foot is higher than 70% of them ($410 against a typical $370), it is bigger than 32% of them (1,314 ft² against a typical 1,572 ft²), its lot is bigger than 31% of them (0.17 ac against a typical 0.19 ac) and it is newer than 23% of them (1956 against a typical 1977). Measured against all of Riverside County, it is worth more than 41% 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 3366 Grampion Rd, Riverside, CA?

The 2025 property tax bill for 3366 Grampion Rd, Riverside, CA was $1,775. The county assessed it at $157,073.

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