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Planned Unit Development (Pud)Residential
$759,207$64 / 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 85How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jun 23, 2026

88910 E RIVER RANCH RD

MAMMOTH, AZ 85618
0
Baths
11,849 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.
80 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$759K
$645K low$873K high
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.$759,207
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$607,366

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,833 (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.$117,489 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,681
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$109,808
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$117,489
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,174,895

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.117 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.Planned Unit Development (Pud)
CountyPinal
Lot (acres)The size of the land the home sits on, from county records.80.00
ConstructionThe main material the home's frame and walls are built from.Concrete Blocks
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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.

M
San Manuel Jr. High SchoolC-
Middle · Grades 6–8 · 6.8 mi
H
San Manuel High SchoolD
High · Grades 9–12 · 6.8 mi
E
San Manuel Elementary SchoolC+
Elementary · Grades PK–5 · 7.0 mi

District: Mammoth-San Manuel Unified District

Neighborhood · ZIP 85618These 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.152
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 100.65

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.1.6%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.26%
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.1,516
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.31 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$39,005
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$50,848
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.17 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.86%

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

88910 E River Ranch Rd 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 Mammoth 85618
  • Among the lowest price per square foot in Pinal County
  • Among the largest homes in Mammoth 85618
  • Among the largest lots in Mammoth 85618
  • Older than 97% of homes in Pinal County

What homes are worth in Mammoth 85618

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

This home
$42K$409K

This home is worth more than almost all homes in Mammoth 85618.

How it measures up in Mammoth 85618

The dot is this home. The mark in the middle is the typical home in Mammoth 85618.

Estimated value$759,207
CheaperTypical $131,896Pricier

Pricier than almost all homes nearby

Price per ft²$64
CheaperTypical $109Pricier

Pricier than 8% of homes nearby

Living area11,849 ft²
SmallerTypical 1,202 ft²Bigger

Bigger than almost all homes nearby

Lot size80 ac
SmallerTypical 0.23 acBigger

Bigger than almost all homes nearby

Year built1955
OlderTypical 1970Newer

Newer than 22% of homes nearby

How 88910 E River Ranch Rd ranks against every home in each area.
MeasureThis homeMammoth 85618Pinal County
Estimated valuepricier than$759,207almost all homes96% of homes
Price per ft²pricier than$648% of homesalmost no homes
Living areabigger than11,849 ft²almost all homesalmost all homes
Lot sizebigger than80 acalmost all homesalmost all homes
Year builtnewer than195522% of homes3% of homes

About 88910 E River Ranch Rd

How much is 88910 E River Ranch Rd, Mammoth, AZ worth?

The TopHap Estimate for 88910 E River Ranch Rd, Mammoth, AZ is $759,207 as of Jun 23, 2026. The likely range is $645,325 to $873,088. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 88910 E River Ranch Rd, Mammoth, AZ?

88910 E River Ranch Rd, Mammoth, AZ has 11,849 square feet of living space and a 80.00-acre lot.

When was 88910 E River Ranch Rd, Mammoth, AZ built?

88910 E River Ranch Rd, Mammoth, AZ was built in 1955, making it 71 years old. The building has 1 story.

What schools serve 88910 E River Ranch Rd, Mammoth, AZ?

88910 E River Ranch Rd, Mammoth, AZ is assigned to San Manuel Jr. High School (middle), rated C-; San Manuel High School (high), rated D; San Manuel Elementary School (elementary), rated C+. All sit in Mammoth-San Manuel Unified District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 88910 E River Ranch Rd, Mammoth, AZ compare to other homes in Mammoth 85618?

Among the 638 homes in Mammoth 85618, it is worth more than almost all of them ($759,207 against a typical $131,896), its price per square foot is higher than 8% of them ($64 against a typical $109), it is bigger than almost all of them (11,849 ft² against a typical 1,202 ft²), its lot is bigger than almost all of them (80 ac against a typical 0.23 ac) and it is newer than 22% of them (1955 against a typical 1970). Measured against all of Pinal County, it is worth more than 96% 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 88910 E River Ranch Rd, Mammoth, AZ?

The 2025 property tax bill for 88910 E River Ranch Rd, Mammoth, AZ was $2,833. The county assessed it at $117,489.

Closest homes

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Assigned schools

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