Skip to content
Skip to content
TopHapOpen in map
Cluster HomeResidential
$294,126$163 / 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 92How 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 $300,000 on Feb 8, 2022

491 S RIVER RD

NOGALES, AZ 85621
2
Baths
1,800 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.
8.93 ac
Lot SizeThe size of the land the home sits on, from county records.
1981
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$294K
$271K low$318K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · Feb 8, 2022
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.$14,126
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$11,301
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.102%
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.$280,000
NOVA FINANCIAL & INVESTMENT CORP · recorded Jul 28, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,475 (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.$21,654 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,411
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$19,243
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$21,654
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$216,545

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.62
89
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
87
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
87
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
12
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.87 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.Cluster Home
CountySanta Cruz
Lot (acres)The size of the land the home sits on, from county records.8.93
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.Forced Air
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.Garage, Attached
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 · 600 ft²

Transaction History(6)

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.

H
Nogales High SchoolD+
High · Grades 9–12 · 4.4 mi
E
Little Red SchoolC-
Elementary · Grades KG–8 · 4.7 mi

District: Santa Cruz Elementary District

Neighborhood · ZIP 85621These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.39

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.21%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.26,417
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.73 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$39,557
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$62,744
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.23 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

491 S River 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.

  • Worth more than 76% of homes in Nogales 85621
  • Costs more per square foot than 73% of homes in Nogales 85621
  • Among the largest lots in Nogales 85621
  • Older than 67% of homes in Santa Cruz County

What homes are worth in Nogales 85621

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

This home
$92K$710K

This home is worth more than 76% of homes in Nogales 85621.

How it measures up in Nogales 85621

The dot is this home. The mark in the middle is the typical home in Nogales 85621.

Estimated value$294,126
CheaperTypical $213,803Pricier

Pricier than 76% of homes nearby

Price per ft²$163
CheaperTypical $138Pricier

Pricier than 73% of homes nearby

Living area1,800 ft²
SmallerTypical 1,608 ft²Bigger

Bigger than 59% of homes nearby

Lot size8.93 ac
SmallerTypical 0.21 acBigger

Bigger than almost all homes nearby

Year built1981
OlderTypical 1977Newer

Newer than 60% of homes nearby

How 491 S River Rd ranks against every home in each area.
MeasureThis homeNogales 85621Santa Cruz County
Estimated valuepricier than$294,12676% of homes60% of homes
Price per ft²pricier than$16373% of homes49% of homes
Living areabigger than1,800 ft²59% of homes59% of homes
Lot sizebigger than8.93 acalmost all homes97% of homes
Year builtnewer than198160% of homes33% of homes

About 491 S River Rd

How much is 491 S River Rd, Nogales, AZ worth?

The TopHap Estimate for 491 S River Rd, Nogales, AZ is $294,126 as of Jul 14, 2026. The likely range is $270,530 to $317,722. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 491 S River Rd, Nogales, AZ last sell?

491 S River Rd, Nogales, AZ last sold on Feb 8, 2022 for $300,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 491 S River Rd, Nogales, AZ?

491 S River Rd, Nogales, AZ has 2 bathrooms, 1,800 square feet of living space and a 8.93-acre lot.

When was 491 S River Rd, Nogales, AZ built?

491 S River Rd, Nogales, AZ was built in 1981, making it 45 years old. The building has 1 story.

What schools serve 491 S River Rd, Nogales, AZ?

491 S River Rd, Nogales, AZ is assigned to Nogales High School (high), rated D+; Little Red School (elementary), rated C-. All sit in Santa Cruz Elementary District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 491 S River Rd, Nogales, AZ compare to other homes in Nogales 85621?

Among the 4,975 homes in Nogales 85621, it is worth more than 76% of them ($294,126 against a typical $213,803), its price per square foot is higher than 73% of them ($163 against a typical $138), it is bigger than 59% of them (1,800 ft² against a typical 1,608 ft²), its lot is bigger than almost all of them (8.93 ac against a typical 0.21 ac) and it is newer than 60% of them (1981 against a typical 1977). Measured against all of Santa Cruz County, it is worth more than 60% 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 491 S River Rd, Nogales, AZ?

The 2024 property tax bill for 491 S River Rd, Nogales, AZ was $1,475. The county assessed it at $21,654.

More homes on S River Rd

Closest homes

More homes in Nogales 85621

Assigned schools

Explore the area

See this home in context

Open 491 S River Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map