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Single Family ResidenceResidential
$616,643$509 / 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 96How 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

3978 ROYCE ST

RIVERSIDE, CA 92503
3
Beds
1.5
Baths
1,211 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.
0.2 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

$617K
$595K low$638K high
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.$616,643
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$493,314

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$876 (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.$74,373 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,138
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$54,235
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$72,916
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$387,000

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.9 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
Lot (acres)The size of the land the home sits on, from county records.0.20
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
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(2)

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.

M
Chemawa Middle SchoolC+
Middle · Grades 7–8 · 0.3 mi
E
Monroe Elementary SchoolB+
Elementary · Grades KG–6 · 0.3 mi
H
Arlington High SchoolC-
High · Grades 9–12 · 1.3 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

3978 Royce St 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 71% of homes in Ramona - Riverside
  • Costs more per square foot than 94% of homes in Riverside County
  • Smaller than 84% of homes in Riverside County
  • Has a bigger lot than 78% of homes in Ramona - Riverside
  • Older than 91% of homes in Riverside County

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
$386K$1.1M

This home is worth more than 56% 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$616,643
CheaperTypical $598,202Pricier

Pricier than 56% of homes nearby

Price per ft²$509
CheaperTypical $382Pricier

Pricier than 90% of homes nearby

Living area1,211 ft²
SmallerTypical 1,540 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.2 ac
SmallerTypical 0.19 acBigger

Bigger than 60% of homes nearby

Year built1959
OlderTypical 1978Newer

Newer than 24% of homes nearby

How 3978 Royce St ranks against every home in each area.
MeasureThis homeRamona - RiversideRiverside 92503Riverside County
Estimated valuepricier than$616,64371% of homes56% of homes57% of homes
Price per ft²pricier than$50979% of homes90% of homes94% of homes
Living areabigger than1,211 ft²40% of homes24% of homes16% of homes
Lot sizebigger than0.2 ac78% of homes60% of homes54% of homes
Year builtnewer than195977% of homes24% of homes9% of homes

About 3978 Royce St

How much is 3978 Royce St, Riverside, CA worth?

The TopHap Estimate for 3978 Royce St, Riverside, CA is $616,643 as of Jul 14, 2026. The likely range is $594,981 to $638,305. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3978 Royce St, Riverside, CA last sell?

3978 Royce St, Riverside, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3978 Royce St, Riverside, CA?

3978 Royce St, Riverside, CA has 3 bedrooms, 1.5 bathrooms, 1,211 square feet of living space and a 0.20-acre lot.

When was 3978 Royce St, Riverside, CA built?

3978 Royce St, Riverside, CA was built in 1959, making it 67 years old. The building has 1 story.

What schools serve 3978 Royce St, Riverside, CA?

3978 Royce St, Riverside, CA is assigned to Chemawa Middle School (middle), rated C+; Monroe Elementary School (elementary), rated B+; Arlington 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 3978 Royce St, Riverside, CA compare to other homes in Riverside 92503?

Among the 21,423 homes in Riverside 92503, it is worth more than 56% of them ($616,643 against a typical $598,202), its price per square foot is higher than 90% of them ($509 against a typical $382), it is bigger than 24% of them (1,211 ft² against a typical 1,540 ft²), its lot is bigger than 60% of them (0.2 ac against a typical 0.19 ac) and it is newer than 24% of them (1959 against a typical 1978). Measured against all of Riverside County, it is worth more than 57% 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 3978 Royce St, Riverside, CA?

The 2025 property tax bill for 3978 Royce St, Riverside, CA was $876. The county assessed it at $74,373.

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