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Residential - Vacant LandResidential

8427 S 21ST PL

PHOENIX, AZ 85042
0
Baths
796 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$699 (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.$11,610 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$12,180
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$77,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential - Vacant Land
CountyMaricopa
Lot (acres)The size of the land the home sits on, from county records.0.17
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Cloves C. Campbell Sr. Elementary SchoolC+
Elementary · Grades PK–8 · 0.7 mi
H
The Academies at South Mountain High SchoolD-
High · Grades 9–12 · 2.4 mi

District: Roosevelt Elementary District

Neighborhood · ZIP 85042These 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.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.95%
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.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.48,395
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,285 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,444
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,121
Average tempThe average temperature here across a full year.71°F
Annual precipHow much rain and melted snow falls here in a typical year.9 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

8427 S 21st Pl 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.

  • Smaller than 97% of homes in South Mountain
  • Among the oldest homes in Phoenix 85042

How it measures up in Phoenix 85042

The dot is this home. The mark in the middle is the typical home in Phoenix 85042.

Living area796 ft²
SmallerTypical 1,609 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.17 ac
SmallerTypical 0.16 acBigger

Bigger than 61% of homes nearby

Year built1940
OlderTypical 1994Newer

Older than almost all homes nearby

How 8427 S 21st Pl ranks against every home in each area.
MeasureThis homeSouth MountainPhoenix 85042Maricopa County
Living areabigger than796 ft²3% of homes3% of homes3% of homes
Lot sizebigger than0.17 ac64% of homes61% of homes53% of homes
Year builtnewer than19402% of homesalmost no homesalmost no homes

About 8427 S 21st Pl

How big is 8427 S 21st Pl, Phoenix, AZ?

8427 S 21st Pl, Phoenix, AZ has 796 square feet of living space and a 0.17-acre lot.

When was 8427 S 21st Pl, Phoenix, AZ built?

8427 S 21st Pl, Phoenix, AZ was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 8427 S 21st Pl, Phoenix, AZ?

8427 S 21st Pl, Phoenix, AZ is assigned to Cloves C. Campbell Sr. Elementary School (elementary), rated C+; The Academies at South Mountain High School (high), rated D-. All sit in Roosevelt Elementary District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8427 S 21st Pl, Phoenix, AZ compare to other homes in Phoenix 85042?

Among the 13,766 homes in Phoenix 85042, it is bigger than 3% of them (796 ft² against a typical 1,609 ft²), its lot is bigger than 61% of them (0.17 ac against a typical 0.16 ac) and it is newer than almost none of them (1940 against a typical 1994). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 8427 S 21st Pl, Phoenix, AZ?

The 2025 property tax bill for 8427 S 21st Pl, Phoenix, AZ was $699. The county assessed it at $11,610.

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