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Rural ResidenceResidential
$234,420$124 / 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 97How 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 $173,500 on Nov 13, 2020

400 POSTON ST

RIO RICO, AZ 85648
2
Baths
1,891 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.
0.24 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.
6
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

$234K
$228K low$241K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$173,500 · Nov 13, 2020
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.$25,006
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$20,005
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.91%
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.$170,356
SUMMIT FUNDING INC · recorded Nov 13, 2020
2nd 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.$33,940
US BANK NA
3rd 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.$5,118

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,202 (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.$17,020 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$15,220
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$17,203
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$170,198

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.44
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
88
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
86
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
14
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
35
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountySanta Cruz
Lot (acres)The size of the land the home sits on, from county records.0.24
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.Stone (Unspecified)
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
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.Porch · 240 ft²

Transaction History(2)

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
San Cayetano Elementary SchoolB
Elementary · Grades KG–5 · 1.1 mi
H
Rio Rico High SchoolC
High · Grades 9–12 · 3.3 mi
M
Coatimundi Middle SchoolC
Middle · Grades 6–8 · 3.3 mi

District: Santa Cruz Valley Unified District

Neighborhood · ZIP 85648These 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.48
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.51

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.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.18,682
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.98 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,576
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,897
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.22 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.No

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

400 Poston St 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 less than 69% of homes in Rio Rico 85648
  • Costs less per square foot than 95% of homes in Rio Rico 85648
  • Bigger than 71% of homes in Rio Rico 85648
  • Has a smaller lot than 90% of homes in Rio Rico 85648
  • Older than 90% of homes in Rio Rico 85648

What homes are worth in Rio Rico 85648

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

This home
$179K$537K

This home is worth more than 31% of homes in Rio Rico 85648.

How it measures up in Rio Rico 85648

The dot is this home. The mark in the middle is the typical home in Rio Rico 85648.

Estimated value$234,420
CheaperTypical $258,718Pricier

Pricier than 31% of homes nearby

Price per ft²$124
CheaperTypical $163Pricier

Pricier than 5% of homes nearby

Living area1,891 ft²
SmallerTypical 1,622 ft²Bigger

Bigger than 71% of homes nearby

Lot size0.24 ac
SmallerTypical 0.6 acBigger

Bigger than 10% of homes nearby

Year built1973
OlderTypical 2000Newer

Newer than 10% of homes nearby

How 400 Poston St ranks against every home in each area.
MeasureThis homeRio Rico 85648Santa Cruz County
Estimated valuepricier than$234,42031% of homes36% of homes
Price per ft²pricier than$1245% of homes13% of homes
Living areabigger than1,891 ft²71% of homes65% of homes
Lot sizebigger than0.24 ac10% of homes28% of homes
Year builtnewer than197310% of homes23% of homes

About 400 Poston St

How much is 400 Poston St, Rio Rico, AZ worth?

The TopHap Estimate for 400 Poston St, Rio Rico, AZ is $234,420 as of Jul 14, 2026. The likely range is $228,221 to $240,619. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 Poston St, Rio Rico, AZ last sell?

400 Poston St, Rio Rico, AZ last sold on Nov 13, 2020 for $173,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 400 Poston St, Rio Rico, AZ?

400 Poston St, Rio Rico, AZ has 2 bathrooms, 1,891 square feet of living space and a 0.24-acre lot.

When was 400 Poston St, Rio Rico, AZ built?

400 Poston St, Rio Rico, AZ was built in 1973, making it 53 years old. The building has 1 story.

What schools serve 400 Poston St, Rio Rico, AZ?

400 Poston St, Rio Rico, AZ is assigned to San Cayetano Elementary School (elementary), rated B; Rio Rico High School (high), rated C; Coatimundi Middle School (middle), rated C. All sit in Santa Cruz Valley Unified District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 400 Poston St, Rio Rico, AZ compare to other homes in Rio Rico 85648?

Among the 7,476 homes in Rio Rico 85648, it is worth more than 31% of them ($234,420 against a typical $258,718), its price per square foot is higher than 5% of them ($124 against a typical $163), it is bigger than 71% of them (1,891 ft² against a typical 1,622 ft²), its lot is bigger than 10% of them (0.24 ac against a typical 0.6 ac) and it is newer than 10% of them (1973 against a typical 2000). Measured against all of Santa Cruz County, it is worth more than 36% 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 400 Poston St, Rio Rico, AZ?

The 2024 property tax bill for 400 Poston St, Rio Rico, AZ was $1,202. The county assessed it at $17,020.

Closest homes

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Assigned schools

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