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Rural ResidenceResidential
$253,616$158 / 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 Sep 24, 2026
Last sold for $155,561 on Oct 1, 2008

21087 E FRONTIER RD

RED ROCK, AZ 85145
0
Baths
1,605 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
2008
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

$254K
$243K low$264K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$155,561 · Oct 1, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,690 (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.$20,365 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$19,365
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$20,365
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$203,654

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyPinal
Lot (acres)The size of the land the home sits on, from county records.0.12
ConstructionThe main material the home's frame and walls are built from.Steel Frame
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 110 ft²

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.

E
Red Rock Elementary SchoolB
Elementary · Grades PK–8 · 0.3 mi
H
Santa Cruz Valley Union High SchoolD
High · Grades 9–12 · 18.3 mi

District: Santa Cruz Valley Union High School District

Neighborhood · ZIP 85145These 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.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.59

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.231
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,528
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,637
Average tempThe average temperature here across a full year.70°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.86%

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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

21087 E Frontier Rd 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 less than 87% of homes in Pinal County
  • Costs less per square foot than 80% of homes in Pinal County
  • Smaller than 69% of homes in Red Rock 85145
  • Has a smaller lot than 89% of homes in Red Rock 85145
  • Newer than 67% of homes in Pinal County

What homes are worth in Red Rock 85145

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

This home
$223K$398K

This home is worth more than 19% of homes in Red Rock 85145.

How it measures up in Red Rock 85145

The dot is this home. The mark in the middle is the typical home in Red Rock 85145.

Estimated value$253,616
CheaperTypical $285,684Pricier

Pricier than 19% of homes nearby

Price per ft²$158
CheaperTypical $155Pricier

Pricier than 56% of homes nearby

Living area1,605 ft²
SmallerTypical 1,776 ft²Bigger

Bigger than 31% of homes nearby

Lot size0.12 ac
SmallerTypical 0.14 acBigger

Bigger than 11% of homes nearby

Year built2008
OlderTypical 2012Newer

Newer than 36% of homes nearby

How 21087 E Frontier Rd ranks against every home in each area.
MeasureThis homeRed Rock 85145Pinal County
Estimated valuepricier than$253,61619% of homes13% of homes
Price per ft²pricier than$15856% of homes20% of homes
Living areabigger than1,605 ft²31% of homes36% of homes
Lot sizebigger than0.12 ac11% of homes13% of homes
Year builtnewer than200836% of homes67% of homes

About 21087 E Frontier Rd

How much is 21087 E Frontier Rd, Red Rock, AZ worth?

The TopHap Estimate for 21087 E Frontier Rd, Red Rock, AZ is $253,616 as of Sep 24, 2026. The likely range is $243,329 to $263,903. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21087 E Frontier Rd, Red Rock, AZ last sell?

21087 E Frontier Rd, Red Rock, AZ last sold on Oct 1, 2008 for $155,561, according to the county's recorded deed.

How big is 21087 E Frontier Rd, Red Rock, AZ?

21087 E Frontier Rd, Red Rock, AZ has 1,605 square feet of living space and a 0.12-acre lot.

When was 21087 E Frontier Rd, Red Rock, AZ built?

21087 E Frontier Rd, Red Rock, AZ was built in 2008, making it 18 years old. The building has 1 story.

What schools serve 21087 E Frontier Rd, Red Rock, AZ?

21087 E Frontier Rd, Red Rock, AZ is assigned to Red Rock Elementary School (elementary), rated B; Santa Cruz Valley Union High School (high), rated D. All sit in Santa Cruz Valley Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21087 E Frontier Rd, Red Rock, AZ compare to other homes in Red Rock 85145?

Among the 1,205 homes in Red Rock 85145, it is worth more than 19% of them ($253,616 against a typical $285,684), its price per square foot is higher than 56% of them ($158 against a typical $155), it is bigger than 31% of them (1,605 ft² against a typical 1,776 ft²), its lot is bigger than 11% of them (0.12 ac against a typical 0.14 ac) and it is newer than 36% of them (2008 against a typical 2012). Measured against all of Pinal County, it is worth more than 13% 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 21087 E Frontier Rd, Red Rock, AZ?

The 2025 property tax bill for 21087 E Frontier Rd, Red Rock, AZ was $1,690. The county assessed it at $20,365.

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