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Single Family ResidenceResidential
$455,186$226 / 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

12840 W WELL PUMP DR

TUCSON, AZ 85743
2
Baths
2,012 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.
3.47 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$455K
$426K low$484K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,939 (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.$20,962 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$19,964
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$306,459

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.6 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.minimal

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
CountyPIMA
Lot (acres)The size of the land the home sits on, from county records.3.47
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.Evaporative
GarageWhether the property has a garage, and details like whether it is attached to the home.No Garage
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
Picture Rocks Elementary SchoolC-
Elementary · Grades EE–6 · 2.1 mi
H
Marana High SchoolB
High · Grades 9–12 · 6.1 mi
M
Marana Middle SchoolC+
Middle · Grades 7–8 · 12.0 mi

District: Marana Unified District

Neighborhood · ZIP 85743These 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.56
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 100.70

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
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.31,828
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.343 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,229
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,353
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.12 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.85%

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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

12840 W Well Pump Dr 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 73% of homes in Pima County
  • Bigger than 71% of homes in Pima County
  • Has a bigger lot than 97% of homes in Pima County
  • Older than 97% of homes in Tucson 85743

What homes are worth in Tucson 85743

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

This home
$276K$973K

This home is worth more than 66% of homes in Tucson 85743.

How it measures up in Tucson 85743

The dot is this home. The mark in the middle is the typical home in Tucson 85743.

Estimated value$455,186
CheaperTypical $400,511Pricier

Pricier than 66% of homes nearby

Price per ft²$226
CheaperTypical $217Pricier

Pricier than 61% of homes nearby

Living area2,012 ft²
SmallerTypical 1,812 ft²Bigger

Bigger than 61% of homes nearby

Lot size3.47 ac
SmallerTypical 0.23 acBigger

Bigger than 92% of homes nearby

Year built1973
OlderTypical 1999Newer

Newer than 3% of homes nearby

How 12840 W Well Pump Dr ranks against every home in each area.
MeasureThis homeTucson 85743Pima County
Estimated valuepricier than$455,18666% of homes73% of homes
Price per ft²pricier than$22661% of homes61% of homes
Living areabigger than2,012 ft²61% of homes71% of homes
Lot sizebigger than3.47 ac92% of homes97% of homes
Year builtnewer than19733% of homes27% of homes

About 12840 W Well Pump Dr

How much is 12840 W Well Pump Dr, Tucson, AZ worth?

The TopHap Estimate for 12840 W Well Pump Dr, Tucson, AZ is $455,186 as of Oct 21, 2026. The likely range is $426,413 to $483,959. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12840 W Well Pump Dr, Tucson, AZ last sell?

12840 W Well Pump Dr, Tucson, AZ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 12840 W Well Pump Dr, Tucson, AZ?

12840 W Well Pump Dr, Tucson, AZ has 2 bathrooms, 2,012 square feet of living space and a 3.47-acre lot.

When was 12840 W Well Pump Dr, Tucson, AZ built?

12840 W Well Pump Dr, Tucson, AZ was built in 1973, making it 53 years old. The building has 1 story.

What schools serve 12840 W Well Pump Dr, Tucson, AZ?

12840 W Well Pump Dr, Tucson, AZ is assigned to Picture Rocks Elementary School (elementary), rated C-; Marana High School (high), rated B; Marana Middle School (middle), rated C+. All sit in Marana Unified District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12840 W Well Pump Dr, Tucson, AZ compare to other homes in Tucson 85743?

Among the 12,372 homes in Tucson 85743, it is worth more than 66% of them ($455,186 against a typical $400,511), its price per square foot is higher than 61% of them ($226 against a typical $217), it is bigger than 61% of them (2,012 ft² against a typical 1,812 ft²), its lot is bigger than 92% of them (3.47 ac against a typical 0.23 ac) and it is newer than 3% of them (1973 against a typical 1999). Measured against all of Pima County, it is worth more than 73% 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 12840 W Well Pump Dr, Tucson, AZ?

The 2025 property tax bill for 12840 W Well Pump Dr, Tucson, AZ was $2,939. The county assessed it at $20,962.

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