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Single Family ResidenceResidential
$541,679$311 / 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 Jul 14, 2026
Last sold for $309,500 on Jul 31, 2012

3780 N ROUND ROCK DR

TUCSON, AZ 85750
2
Baths
1,743 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.
0.8 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.
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$542K
$503K low$580K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$309,500 · Jul 31, 2012
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$209,925
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$167,940
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.62%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$331,754
NAVY FCU · recorded Dec 27, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,423 (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.$46,162 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$44,412
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$461,623

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.7 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.0.80
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
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

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.

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

E
W V Whitmore Elementary SchoolD+
Elementary · Grades PK–6 · 2.2 mi
M
Magee Middle SchoolC-
Middle · Grades 6–8 · 3.5 mi
H
Sabino High SchoolA
High · Grades 7–12 · 3.9 mi

District: Tucson Unified District

Neighborhood · ZIP 85750These 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.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.2%
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.26,188
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,269 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$116,926
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$144,719
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.16 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.85%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

3780 N Round Rock 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 82% of homes in Pima County
  • Costs more per square foot than 90% of homes in Pima County
  • Smaller than 68% of homes in Tucson 85750
  • Has a bigger lot than 80% of homes in Pima County

What homes are worth in Tucson 85750

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

This home
$225K$1.9M

This home is worth more than 35% of homes in Tucson 85750.

How it measures up in Tucson 85750

The dot is this home. The mark in the middle is the typical home in Tucson 85750.

Estimated value$541,679
CheaperTypical $631,505Pricier

Pricier than 35% of homes nearby

Price per ft²$311
CheaperTypical $295Pricier

Pricier than 59% of homes nearby

Living area1,743 ft²
SmallerTypical 2,149 ft²Bigger

Bigger than 32% of homes nearby

Lot size0.8 ac
SmallerTypical 0.4 acBigger

Bigger than 73% of homes nearby

Year built1986
OlderTypical 1987Newer

Newer than 48% of homes nearby

How 3780 N Round Rock Dr ranks against every home in each area.
MeasureThis homeTucson 85750Pima County
Estimated valuepricier than$541,67935% of homes82% of homes
Price per ft²pricier than$31159% of homes90% of homes
Living areabigger than1,743 ft²32% of homes58% of homes
Lot sizebigger than0.8 ac73% of homes80% of homes
Year builtnewer than198648% of homes47% of homes

About 3780 N Round Rock Dr

How much is 3780 N Round Rock Dr, Tucson, AZ worth?

The TopHap Estimate for 3780 N Round Rock Dr, Tucson, AZ is $541,679 as of Jul 14, 2026. The likely range is $502,994 to $580,364. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3780 N Round Rock Dr, Tucson, AZ last sell?

3780 N Round Rock Dr, Tucson, AZ last sold on Jul 31, 2012 for $309,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3780 N Round Rock Dr, Tucson, AZ?

3780 N Round Rock Dr, Tucson, AZ has 2 bathrooms, 1,743 square feet of living space and a 0.80-acre lot.

When was 3780 N Round Rock Dr, Tucson, AZ built?

3780 N Round Rock Dr, Tucson, AZ was built in 1986, making it 40 years old. The building has 1 story.

What schools serve 3780 N Round Rock Dr, Tucson, AZ?

3780 N Round Rock Dr, Tucson, AZ is assigned to W V Whitmore Elementary School (elementary), rated D+; Magee Middle School (middle), rated C-; Sabino High School (high), rated A. All sit in Tucson Unified District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3780 N Round Rock Dr, Tucson, AZ compare to other homes in Tucson 85750?

Among the 11,555 homes in Tucson 85750, it is worth more than 35% of them ($541,679 against a typical $631,505), its price per square foot is higher than 59% of them ($311 against a typical $295), it is bigger than 32% of them (1,743 ft² against a typical 2,149 ft²), its lot is bigger than 73% of them (0.8 ac against a typical 0.4 ac) and it is newer than 48% of them (1986 against a typical 1987). Measured against all of Pima County, it is worth more than 82% 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 3780 N Round Rock Dr, Tucson, AZ?

The 2025 property tax bill for 3780 N Round Rock Dr, Tucson, AZ was $3,423. The county assessed it at $46,162.

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