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Single Family ResidenceResidential
$405,925$359 / 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 93How 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 $179,000 on Jan 12, 2005

6646 E RIVERDALE ST

MESA, AZ 85215
3
Baths
1,130 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
2001
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$406K
$378K low$433K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$179,000 · Jan 12, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,408 (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.$33,650 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$30,830
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$336,500

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.0.13
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Yes
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 · 150 ft²

Transaction History(3)

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 Mountain Ranch Elementary SchoolA-
Elementary · Grades PK–6 · 0.4 mi
M
Shepherd Junior High SchoolB
Middle · Grades 7–8 · 2.8 mi
H
Red Mountain High SchoolB+
High · Grades 9–12 · 3.0 mi

District: Mesa Unified District

Neighborhood · ZIP 85215These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.55

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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
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.18,323
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.725 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,245
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,832
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%

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

6646 E Riverdale 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 less than 79% of homes in Mesa 85215
  • Costs more per square foot than 92% of homes in Mesa 85215
  • Smaller than 90% of homes in Mesa 85215
  • Has a smaller lot than 74% of homes in Maricopa County
  • Newer than 83% of homes in Mesa 85215

What homes are worth in Mesa 85215

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

This home
$208K$1.8M

This home is worth more than 21% of homes in Mesa 85215.

How it measures up in Mesa 85215

The dot is this home. The mark in the middle is the typical home in Mesa 85215.

Estimated value$405,925
CheaperTypical $513,867Pricier

Pricier than 21% of homes nearby

Price per ft²$359
CheaperTypical $287Pricier

Pricier than 92% of homes nearby

Living area1,130 ft²
SmallerTypical 1,702 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.13 ac
SmallerTypical 0.14 acBigger

Bigger than 39% of homes nearby

Year built2001
OlderTypical 1994Newer

Newer than 83% of homes nearby

How 6646 E Riverdale St ranks against every home in each area.
MeasureThis homeMesa 85215Maricopa County
Estimated valuepricier than$405,92521% of homes37% of homes
Price per ft²pricier than$35992% of homes85% of homes
Living areabigger than1,130 ft²10% of homes11% of homes
Lot sizebigger than0.13 ac39% of homes26% of homes
Year builtnewer than200183% of homes66% of homes

About 6646 E Riverdale St

How much is 6646 E Riverdale St, Mesa, AZ worth?

The TopHap Estimate for 6646 E Riverdale St, Mesa, AZ is $405,925 as of Sep 24, 2026. The likely range is $378,494 to $433,356. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6646 E Riverdale St, Mesa, AZ last sell?

6646 E Riverdale St, Mesa, AZ last sold on Jan 12, 2005 for $179,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 6646 E Riverdale St, Mesa, AZ?

6646 E Riverdale St, Mesa, AZ has 3 bathrooms, 1,130 square feet of living space and a 0.13-acre lot.

When was 6646 E Riverdale St, Mesa, AZ built?

6646 E Riverdale St, Mesa, AZ was built in 2001, making it 25 years old. The building has 1 story.

What schools serve 6646 E Riverdale St, Mesa, AZ?

6646 E Riverdale St, Mesa, AZ is assigned to Red Mountain Ranch Elementary School (elementary), rated A-; Shepherd Junior High School (middle), rated B; Red Mountain High School (high), rated B+. All sit in Mesa Unified District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6646 E Riverdale St, Mesa, AZ compare to other homes in Mesa 85215?

Among the 8,134 homes in Mesa 85215, it is worth more than 21% of them ($405,925 against a typical $513,867), its price per square foot is higher than 92% of them ($359 against a typical $287), it is bigger than 10% of them (1,130 ft² against a typical 1,702 ft²), its lot is bigger than 39% of them (0.13 ac against a typical 0.14 ac) and it is newer than 83% of them (2001 against a typical 1994). Measured against all of Maricopa County, it is worth more than 37% 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 6646 E Riverdale St, Mesa, AZ?

The 2025 property tax bill for 6646 E Riverdale St, Mesa, AZ was $1,408. The county assessed it at $33,650.

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