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Single Family ResidenceResidential
$1,339,121$301 / 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 Oct 21, 2026
Last sold for $520,000 on Oct 6, 2016

1644 S LOS ALAMOS CIR

MESA, AZ 85204
5
Beds
4.5
Baths
4,445 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.
0.99 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
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

$1.3M
$1.3M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$520,000 · Oct 6, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,739 (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.$59,602 (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.$1,166,500

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.34%
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.1 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.0.99
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.Wood
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.Yes
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(6)

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(5)

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

E
Pioneer Elementary SchoolA-
Elementary · Grades PK–6 · 1.7 mi
H
Gilbert High SchoolB+
High · Grades 9–12 · 2.5 mi
M
Greenfield Junior High SchoolA-
Middle · Grades 7–8 · 3.0 mi

District: Gilbert Unified District

Neighborhood · ZIP 85204These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.50

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.67,485
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,778 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,058
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$84,529
Average tempThe average temperature here across a full year.70°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

1644 S Los Alamos Cir 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.

  • Among the most valuable homes in Mesa 85204
  • Costs more per square foot than 77% of homes in Mesa 85204
  • Among the largest homes in Mesa 85204
  • Among the largest lots in Mesa 85204
  • Newer than 86% of homes in Mesa 85204

What homes are worth in Mesa 85204

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

This home
$254K$810K

This home is worth more than almost all homes in Mesa 85204.

How it measures up in Mesa 85204

The dot is this home. The mark in the middle is the typical home in Mesa 85204.

Estimated value$1,339,121
CheaperTypical $387,979Pricier

Pricier than almost all homes nearby

Price per ft²$301
CheaperTypical $268Pricier

Pricier than 77% of homes nearby

Living area4,445 ft²
SmallerTypical 1,471 ft²Bigger

Bigger than almost all homes nearby

Lot size0.99 ac
SmallerTypical 0.17 acBigger

Bigger than almost all homes nearby

Year built1986
OlderTypical 1980Newer

Newer than 86% of homes nearby

How 1644 S Los Alamos Cir ranks against every home in each area.
MeasureThis homeMesa 85204Maricopa County
Estimated valuepricier than$1,339,121almost all homes95% of homes
Price per ft²pricier than$30177% of homes70% of homes
Living areabigger than4,445 ft²almost all homes98% of homes
Lot sizebigger than0.99 acalmost all homes95% of homes
Year builtnewer than198686% of homes39% of homes

About 1644 S Los Alamos Cir

How much is 1644 S Los Alamos Cir, Mesa, AZ worth?

The TopHap Estimate for 1644 S Los Alamos Cir, Mesa, AZ is $1,339,121 as of Oct 21, 2026. The likely range is $1,257,089 to $1,421,152. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1644 S Los Alamos Cir, Mesa, AZ last sell?

1644 S Los Alamos Cir, Mesa, AZ last sold on Oct 6, 2016 for $520,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 1644 S Los Alamos Cir, Mesa, AZ?

1644 S Los Alamos Cir, Mesa, AZ has 5 bedrooms, 4.5 bathrooms, 4,445 square feet of living space and a 0.99-acre lot.

When was 1644 S Los Alamos Cir, Mesa, AZ built?

1644 S Los Alamos Cir, Mesa, AZ was built in 1986, making it 40 years old. The building has 2 stories.

What schools serve 1644 S Los Alamos Cir, Mesa, AZ?

1644 S Los Alamos Cir, Mesa, AZ is assigned to Pioneer Elementary School (elementary), rated A-; Gilbert High School (high), rated B+; Greenfield Junior High School (middle), rated A-. All sit in Gilbert Unified District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1644 S Los Alamos Cir, Mesa, AZ compare to other homes in Mesa 85204?

Among the 14,969 homes in Mesa 85204, it is worth more than almost all of them ($1,339,121 against a typical $387,979), its price per square foot is higher than 77% of them ($301 against a typical $268), it is bigger than almost all of them (4,445 ft² against a typical 1,471 ft²), its lot is bigger than almost all of them (0.99 ac against a typical 0.17 ac) and it is newer than 86% of them (1986 against a typical 1980). Measured against all of Maricopa County, it is worth more than 95% 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 1644 S Los Alamos Cir, Mesa, AZ?

The 2025 property tax bill for 1644 S Los Alamos Cir, Mesa, AZ was $4,739. The county assessed it at $59,602.

More homes on S Los Alamos Cir

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