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Quadplex (4 Units, Any Combination)Residential

4221 POLK ST

RIVERSIDE, CA 92505
0
Baths
3,538 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,220 (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.$421,321 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$94,250
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$327,071
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$413,060

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.7 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.Quadplex (4 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Quadraplex
CountyRIVERSIDE
Lot (acres)The size of the land the home sits on, from county records.0.15
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.

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

E
Collett Elementary SchoolC-
Elementary · Grades KG–5 · 0.3 mi
H
La Sierra High SchoolC-
High · Grades 9–12 · 0.5 mi
M
Arizona Middle SchoolB-
Middle · Grades 6–8 · 1.6 mi

District: Alvord Unified School District

Neighborhood · ZIP 92505These 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.68
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.296

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.8.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.53,012
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,326 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,440
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,650
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

4221 Polk 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 96% of homes in Riverside 92505
  • Has a smaller lot than 82% of homes in Riverside 92505
  • Older than 86% of homes in Riverside County

How it measures up in Riverside 92505

The dot is this home. The mark in the middle is the typical home in Riverside 92505.

Living area3,538 ft²
SmallerTypical 1,513 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.15 ac
SmallerTypical 0.19 acBigger

Bigger than 18% of homes nearby

Year built1965
OlderTypical 1977Newer

Newer than 38% of homes nearby

How 4221 Polk St ranks against every home in each area.
MeasureThis homeLa SierraRiverside 92505Riverside County
Living areabigger than3,538 ft²95% of homes96% of homes94% of homes
Lot sizebigger than0.15 ac25% of homes18% of homes25% of homes
Year builtnewer than196536% of homes38% of homes14% of homes

About 4221 Polk St

When did 4221 Polk St, Riverside, CA last sell?

4221 Polk St, Riverside, CA last sold on Oct 28, 2003, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4221 Polk St, Riverside, CA?

4221 Polk St, Riverside, CA has 3,538 square feet of living space and a 0.15-acre lot.

When was 4221 Polk St, Riverside, CA built?

4221 Polk St, Riverside, CA was built in 1965, making it 61 years old. It is a quadraplex home. The building has 2 stories.

What schools serve 4221 Polk St, Riverside, CA?

4221 Polk St, Riverside, CA is assigned to Collett Elementary School (elementary), rated C-; La Sierra High School (high), rated C-; Arizona Middle School (middle), rated B-. All sit in Alvord Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4221 Polk St, Riverside, CA compare to other homes in Riverside 92505?

Among the 10,250 homes in Riverside 92505, it is bigger than 96% of them (3,538 ft² against a typical 1,513 ft²), its lot is bigger than 18% of them (0.15 ac against a typical 0.19 ac) and it is newer than 38% of them (1965 against a typical 1977). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 4221 Polk St, Riverside, CA?

The 2025 property tax bill for 4221 Polk St, Riverside, CA was $5,220. The county assessed it at $421,321.

More homes on Polk St

Closest homes

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Assigned schools

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