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Duplex (2 Units, Any Combination)Residential
Last sold for $225,000 on Aug 29, 2008

9570 MASON ST

RIVERSIDE, CA 92503
4
Beds
2
Baths
1,814 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1951
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$225,000 · Aug 29, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,280 (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.$295,517 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$118,204
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$177,313
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$289,724

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyRIVERSIDE
Lot (acres)The size of the land the home sits on, from county records.0.19
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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
Liberty Elementary SchoolD+
Elementary · Grades KG–6 · 0.1 mi
M
Chemawa Middle SchoolC-
Middle · Grades 7–8 · 1.0 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%

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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

9570 Mason 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.

  • Bigger than 85% of homes in Arlington
  • Older than 95% of homes in Riverside County

How it measures up in Riverside 92503

The dot is this home. The mark in the middle is the typical home in Riverside 92503.

Living area1,814 ft²
SmallerTypical 1,536 ft²Bigger

Bigger than 63% of homes nearby

Lot size0.19 ac
SmallerTypical 0.19 acBigger

Bigger than 49% of homes nearby

Year built1951
OlderTypical 1978Newer

Newer than 6% of homes nearby

How 9570 Mason St ranks against every home in each area.
MeasureThis homeArlingtonRiverside 92503Riverside County
Living areabigger than1,814 ft²85% of homes63% of homes51% of homes
Lot sizebigger than0.19 ac39% of homes49% of homes46% of homes
Year builtnewer than195127% of homes6% of homes5% of homes

About 9570 Mason St

When did 9570 Mason St, Riverside, CA last sell?

9570 Mason St, Riverside, CA last sold on Aug 29, 2008 for $225,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 9570 Mason St, Riverside, CA?

9570 Mason St, Riverside, CA has 4 bedrooms, 2 bathrooms, 1,814 square feet of living space and a 0.19-acre lot.

When was 9570 Mason St, Riverside, CA built?

9570 Mason St, Riverside, CA was built in 1951, making it 75 years old. It is a duplex single home. The building has 1 story.

What schools serve 9570 Mason St, Riverside, CA?

9570 Mason St, Riverside, CA is assigned to Liberty Elementary School (elementary), rated D+; Chemawa Middle School (middle), rated C-; 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 9570 Mason St, Riverside, CA compare to other homes in Riverside 92503?

Among the 21,428 homes in Riverside 92503, it is bigger than 63% of them (1,814 ft² against a typical 1,536 ft²), its lot is bigger than 49% of them (0.19 ac against a typical 0.19 ac) and it is newer than 6% of them (1951 against a typical 1978). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 9570 Mason St, Riverside, CA?

The 2025 property tax bill for 9570 Mason St, Riverside, CA was $3,280. The county assessed it at $295,517.

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