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Single Family ResidenceResidential
$708,981$433 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $445,000 on Mar 10, 2020

44309 N 21ST ST

NEW RIVER, AZ 85087
4
Beds
2
Baths
1,636 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.
2.54 ac
Lot SizeThe size of the land the home sits on, from county records.
1997
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$709K
$669K low$748K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$445,000 · Mar 10, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,276 (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.$28,051 (2025)
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$478,100

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.33 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.0.2 percent flood zone

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
CountyMARICOPA
Lot (acres)The size of the land the home sits on, from county records.2.54
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Builtup (layered Asphalt)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Refrigerator
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.Patio · 624 ft²

Transaction History(8)

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(2)

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

M
Gavilan Peak SchoolA
Middle · Grades KG–8 · 5.1 mi
H
Boulder Creek High SchoolA+
High · Grades 9–12 · 6.4 mi
E
New River Elementary SchoolB+
Elementary · Grades KG–6 · 6.5 mi

District: Deer Valley Unified District

Neighborhood · ZIP 85087These 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.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.66

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.10,218
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.73 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$122,990
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$149,011
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.15 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.86%

Owner Tools

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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

44309 N 21st 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 80% of homes in Maricopa County
  • Costs more per square foot than 97% of homes in New River 85087
  • Smaller than 77% of homes in New River 85087
  • Among the largest lots in Maricopa County
  • Older than 77% of homes in New River 85087

What homes are worth in New River 85087

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

This home
$348K$1.2M

This home is worth more than 67% of homes in New River 85087.

How it measures up in New River 85087

The dot is this home. The mark in the middle is the typical home in New River 85087.

Estimated value$708,981
CheaperTypical $632,643Pricier

Pricier than 67% of homes nearby

Price per ft²$433
CheaperTypical $283Pricier

Pricier than 97% of homes nearby

Living area1,636 ft²
SmallerTypical 2,147 ft²Bigger

Bigger than 23% of homes nearby

Lot size2.54 ac
SmallerTypical 1.01 acBigger

Bigger than 91% of homes nearby

Year built1997
OlderTypical 2005Newer

Newer than 23% of homes nearby

How 44309 N 21st St ranks against every home in each area.
MeasureThis homeNew River 85087Maricopa County
Estimated valuepricier than$708,98167% of homes80% of homes
Price per ft²pricier than$43397% of homes92% of homes
Living areabigger than1,636 ft²23% of homes40% of homes
Lot sizebigger than2.54 ac91% of homesalmost all homes
Year builtnewer than199723% of homes55% of homes

About 44309 N 21st St

How much is 44309 N 21st St, New River, AZ worth?

The TopHap Estimate for 44309 N 21st St, New River, AZ is $708,981 as of Aug 30, 2026. The likely range is $669,497 to $748,465. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 44309 N 21st St, New River, AZ last sell?

44309 N 21st St, New River, AZ last sold on Mar 10, 2020 for $445,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 44309 N 21st St, New River, AZ?

44309 N 21st St, New River, AZ has 4 bedrooms, 2 bathrooms, 1,636 square feet of living space and a 2.54-acre lot.

When was 44309 N 21st St, New River, AZ built?

44309 N 21st St, New River, AZ was built in 1997, making it 29 years old. The building has 1 story.

What schools serve 44309 N 21st St, New River, AZ?

44309 N 21st St, New River, AZ is assigned to Gavilan Peak School (middle), rated A; Boulder Creek High School (high), rated A+; New River Elementary School (elementary), rated B+. All sit in Deer Valley Unified District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 44309 N 21st St, New River, AZ compare to other homes in New River 85087?

Among the 4,314 homes in New River 85087, it is worth more than 67% of them ($708,981 against a typical $632,643), its price per square foot is higher than 97% of them ($433 against a typical $283), it is bigger than 23% of them (1,636 ft² against a typical 2,147 ft²), its lot is bigger than 91% of them (2.54 ac against a typical 1.01 ac) and it is newer than 23% of them (1997 against a typical 2005). Measured against all of Maricopa County, it is worth more than 80% 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 44309 N 21st St, New River, AZ?

The 2025 property tax bill for 44309 N 21st St, New River, AZ was $3,276. The county assessed it at $28,051.

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