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Single Family ResidenceResidential
$722,946$482 / 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 81How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $12,000 on May 1, 2001

21870 MACK ST

PERRIS, CA 92570
3
Beds
2
Baths
1,500 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.
2.51 ac
Lot SizeThe size of the land the home sits on, from county records.
2006
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

$723K
$586K low$860K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$12,000 · May 1, 2001

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,343 (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.$298,427 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,424
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$280,003
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$292,576
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$284,850

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.15 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.2007
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.Tile
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.Garage, Attached
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
Columbia Elementary SchoolD
Elementary · Grades KG–5 · 0.7 mi
M
Tomas Rivera Middle SchoolD-
Middle · Grades 6–8 · 1.4 mi
H
Citrus Hill High SchoolC
High · Grades 9–12 · 3.7 mi

District: Val Verde Unified School District

Neighborhood · ZIP 92570These 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.73
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 100.306

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.6.9%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.62,132
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.627 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,717
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,427
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.13 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

21870 Mack 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 78% of homes in Perris 92570
  • Costs more per square foot than 95% of homes in Perris 92570
  • Smaller than 67% of homes in Riverside County
  • Has a bigger lot than 93% of homes in Riverside County
  • Newer than 92% of homes in Mead Valley

What homes are worth in Perris 92570

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

This home
$333K$1.2M

This home is worth more than 78% of homes in Perris 92570.

How it measures up in Perris 92570

The dot is this home. The mark in the middle is the typical home in Perris 92570.

Estimated value$722,946
CheaperTypical $588,303Pricier

Pricier than 78% of homes nearby

Price per ft²$482
CheaperTypical $331Pricier

Pricier than 95% of homes nearby

Living area1,500 ft²
SmallerTypical 1,561 ft²Bigger

Bigger than 47% of homes nearby

Lot size2.51 ac
SmallerTypical 0.45 acBigger

Bigger than 89% of homes nearby

Year built2006
OlderTypical 1986Newer

Newer than 86% of homes nearby

How 21870 Mack St ranks against every home in each area.
MeasureThis homeMead ValleyPerris 92570Riverside County
Estimated valuepricier than$722,94673% of homes78% of homes72% of homes
Price per ft²pricier than$48291% of homes95% of homes92% of homes
Living areabigger than1,500 ft²51% of homes47% of homes33% of homes
Lot sizebigger than2.51 ac92% of homes89% of homes93% of homes
Year builtnewer than200692% of homes86% of homes83% of homes

About 21870 Mack St

How much is 21870 Mack St, Perris, CA worth?

The TopHap Estimate for 21870 Mack St, Perris, CA is $722,946 as of Oct 21, 2026. The likely range is $585,546 to $860,346. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21870 Mack St, Perris, CA last sell?

21870 Mack St, Perris, CA last sold on May 1, 2001 for $12,000, according to the county's recorded deed.

How big is 21870 Mack St, Perris, CA?

21870 Mack St, Perris, CA has 3 bedrooms, 2 bathrooms and 1,500 square feet of living space.

When was 21870 Mack St, Perris, CA built?

21870 Mack St, Perris, CA was built in 2006, making it 20 years old. The building has 1 story.

What schools serve 21870 Mack St, Perris, CA?

21870 Mack St, Perris, CA is assigned to Columbia Elementary School (elementary), rated D; Tomas Rivera Middle School (middle), rated D-; Citrus Hill High School (high), rated C. All sit in Val Verde Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21870 Mack St, Perris, CA compare to other homes in Perris 92570?

Among the 14,137 homes in Perris 92570, it is worth more than 78% of them ($722,946 against a typical $588,303), its price per square foot is higher than 95% of them ($482 against a typical $331), it is bigger than 47% of them (1,500 ft² against a typical 1,561 ft²), its lot is bigger than 89% of them (2.51 ac against a typical 0.45 ac) and it is newer than 86% of them (2006 against a typical 1986). Measured against all of Riverside County, it is worth more than 72% 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 21870 Mack St, Perris, CA?

The 2025 property tax bill for 21870 Mack St, Perris, CA was $3,343. The county assessed it at $298,427.

More homes on Mack St

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