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Single Family ResidenceResidential
$709,355$438 / 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 97How 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

3647 MARIELLA ST

RIVERSIDE, CA 92504
5
Beds
1.5
Baths
1,618 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.
1946
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$709K
$688K low$731K 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.$261,629
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$209,303
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.67%
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.$420,227
UNITED WHOLESALE MORTGAGE · recorded Jan 9, 2023
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.$27,499
HUD-HOUSING/URBAN DEV

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,846 (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.$354,529 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$102,215
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$252,314
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$347,578
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$387,270

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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.1951
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.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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Madison Elementary SchoolB-
Elementary · Grades KG–6 · 0.3 mi
H
Ramona High SchoolC
High · Grades 9–12 · 0.7 mi
M
Sierra Middle SchoolC
Middle · Grades 7–8 · 0.9 mi

District: Riverside Unified School District

Neighborhood · ZIP 92504These 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.90
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 100.307

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.97%
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.9.4%
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.56,759
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,438 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,931
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,916
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.11 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

3647 Mariella 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 93% of homes in Magnolia Center
  • Costs more per square foot than 87% of homes in Riverside County
  • Bigger than 78% of homes in Magnolia Center
  • Older than 97% of homes in Riverside County

What homes are worth in Riverside 92504

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

This home
$384K$1.3M

This home is worth more than 79% of homes in Riverside 92504.

How it measures up in Riverside 92504

The dot is this home. The mark in the middle is the typical home in Riverside 92504.

Estimated value$709,355
CheaperTypical $598,340Pricier

Pricier than 79% of homes nearby

Price per ft²$438
CheaperTypical $415Pricier

Pricier than 60% of homes nearby

Living area1,618 ft²
SmallerTypical 1,410 ft²Bigger

Bigger than 63% of homes nearby

Lot size0.18 ac
SmallerTypical 0.19 acBigger

Bigger than 46% of homes nearby

Year built1946
OlderTypical 1960Newer

Newer than 6% of homes nearby

How 3647 Mariella St ranks against every home in each area.
MeasureThis homeMagnolia CenterRiverside 92504Riverside County
Estimated valuepricier than$709,35593% of homes79% of homes73% of homes
Price per ft²pricier than$43849% of homes60% of homes87% of homes
Living areabigger than1,618 ft²78% of homes63% of homes40% of homes
Lot sizebigger than0.18 ac58% of homes46% of homes45% of homes
Year builtnewer than194618% of homes6% of homes3% of homes

About 3647 Mariella St

How much is 3647 Mariella St, Riverside, CA worth?

The TopHap Estimate for 3647 Mariella St, Riverside, CA is $709,355 as of Jul 14, 2026. The likely range is $687,753 to $730,957. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3647 Mariella St, Riverside, CA last sell?

3647 Mariella St, Riverside, CA last sold on Apr 7, 2021, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3647 Mariella St, Riverside, CA?

3647 Mariella St, Riverside, CA has 5 bedrooms, 1.5 bathrooms, 1,618 square feet of living space and a 0.18-acre lot.

When was 3647 Mariella St, Riverside, CA built?

3647 Mariella St, Riverside, CA was built in 1946, making it 80 years old. The building has 1 story.

What schools serve 3647 Mariella St, Riverside, CA?

3647 Mariella St, Riverside, CA is assigned to Madison Elementary School (elementary), rated B-; Ramona High School (high), rated C; Sierra Middle School (middle), rated C. All sit in Riverside Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3647 Mariella St, Riverside, CA compare to other homes in Riverside 92504?

Among the 13,368 homes in Riverside 92504, it is worth more than 79% of them ($709,355 against a typical $598,340), its price per square foot is higher than 60% of them ($438 against a typical $415), it is bigger than 63% of them (1,618 ft² against a typical 1,410 ft²), its lot is bigger than 46% of them (0.18 ac against a typical 0.19 ac) and it is newer than 6% of them (1946 against a typical 1960). Measured against all of Riverside County, it is worth more than 73% 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 3647 Mariella St, Riverside, CA?

The 2025 property tax bill for 3647 Mariella St, Riverside, CA was $3,846. The county assessed it at $354,529.

Closest homes

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Assigned schools

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