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Single Family ResidenceResidential
$1,109,152$190 / 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 90How 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 $739,750 on Jan 12, 2021

139 N BIG ROCK DR

ORACLE, AZ 85623
0
Baths
5,837 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.
1.9 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$999K low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$739,750 · Jan 12, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,938 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$107,054 (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.$1,070,535

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyPINAL
Lot (acres)The size of the land the home sits on, from county records.1.90
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Concrete
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 303 ft²Porch · 511 ft²

Transaction History(4)

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
Mountain Vista SchoolC+
Elementary · Grades PK–8 · 1.6 mi

District: Oracle Elementary District

Neighborhood · ZIP 85623These 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.123
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.62

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.6,051
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.17 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,421
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,395
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.18 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

139 N Big 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.

  • Among the most valuable homes in Oracle 85623
  • Costs less per square foot than 86% of homes in Oracle 85623
  • Among the largest homes in Oracle 85623
  • Has a bigger lot than 95% of homes in Pinal County

What homes are worth in Oracle 85623

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

This home
$201K$1M

This home is worth more than almost all homes in Oracle 85623.

How it measures up in Oracle 85623

The dot is this home. The mark in the middle is the typical home in Oracle 85623.

Estimated value$1,109,152
CheaperTypical $551,382Pricier

Pricier than almost all homes nearby

Price per ft²$190
CheaperTypical $289Pricier

Pricier than 14% of homes nearby

Living area5,837 ft²
SmallerTypical 1,934 ft²Bigger

Bigger than almost all homes nearby

Lot size1.9 ac
SmallerTypical 0.25 acBigger

Bigger than 91% of homes nearby

Year built2007
OlderTypical 2012Newer

Newer than 43% of homes nearby

How 139 N Big Rock Dr ranks against every home in each area.
MeasureThis homeOracle 85623Pinal County
Estimated valuepricier than$1,109,152almost all homesalmost all homes
Price per ft²pricier than$19014% of homes47% of homes
Living areabigger than5,837 ft²almost all homesalmost all homes
Lot sizebigger than1.9 ac91% of homes95% of homes
Year builtnewer than200743% of homes64% of homes

About 139 N Big Rock Dr

How much is 139 N Big Rock Dr, Oracle, AZ worth?

The TopHap Estimate for 139 N Big Rock Dr, Oracle, AZ is $1,109,152 as of Oct 21, 2026. The likely range is $999,161 to $1,219,143. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 139 N Big Rock Dr, Oracle, AZ last sell?

139 N Big Rock Dr, Oracle, AZ last sold on Jan 12, 2021 for $739,750, according to the county's recorded deed.

How big is 139 N Big Rock Dr, Oracle, AZ?

139 N Big Rock Dr, Oracle, AZ has 5,837 square feet of living space and a 1.90-acre lot.

When was 139 N Big Rock Dr, Oracle, AZ built?

139 N Big Rock Dr, Oracle, AZ was built in 2007, making it 19 years old. The building has 1 story.

What schools serve 139 N Big Rock Dr, Oracle, AZ?

139 N Big Rock Dr, Oracle, AZ is assigned to Mountain Vista School (elementary), rated C+. All sit in Oracle Elementary District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 139 N Big Rock Dr, Oracle, AZ compare to other homes in Oracle 85623?

Among the 3,307 homes in Oracle 85623, it is worth more than almost all of them ($1,109,152 against a typical $551,382), its price per square foot is higher than 14% of them ($190 against a typical $289), it is bigger than almost all of them (5,837 ft² against a typical 1,934 ft²), its lot is bigger than 91% of them (1.9 ac against a typical 0.25 ac) and it is newer than 43% of them (2007 against a typical 2012). Measured against all of Pinal County, it is worth more than almost all 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 139 N Big Rock Dr, Oracle, AZ?

The 2024 property tax bill for 139 N Big Rock Dr, Oracle, AZ was $6,938. The county assessed it at $107,054.

More homes on N Big Rock Dr

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Assigned schools

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