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Single Family ResidenceResidential
$728,509$394 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

858 S 100 W

MONA, UT 84645
3 / 1
Baths
1,851 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.
0.54 ac
Lot SizeThe size of the land the home sits on, from county records.
2004
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$729K
$701K low$756K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,229 (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.$324,772 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$106,260
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$218,512
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$326,112
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$590,494

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.46
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
74
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
75
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
41
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
43
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyJuab
Lot (acres)The size of the land the home sits on, from county records.0.54
HeatingThe type of heating system in the home.Gas
CoolingThe type of cooling or air conditioning in the home.Refrigerator

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
Mona Elementary SchoolB+
Elementary · Grades KG–5 · 0.7 mi
H
Juab High SchoolC+
High · Grades 9–12 · 6.1 mi
M
Juab Junior High SchoolC+
Middle · Grades 6–8 · 6.1 mi

District: Juab School District

Neighborhood · ZIP 84645These 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.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.175

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.2,590
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.36 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,594
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,585
Average tempThe average temperature here across a full year.43°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.66%

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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

858 S 100 W 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 93% of homes in Juab County
  • Costs more per square foot than 88% of homes in Juab County
  • Bigger than 76% of homes in Juab County
  • Has a bigger lot than 67% of homes in Juab County
  • Newer than 86% of homes in Juab County

What homes are worth in Mona 84645

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

This home
$308K$1.1M

This home is worth more than 78% of homes in Mona 84645.

How it measures up in Mona 84645

The dot is this home. The mark in the middle is the typical home in Mona 84645.

Estimated value$728,509
CheaperTypical $566,425Pricier

Pricier than 78% of homes nearby

Price per ft²$394
CheaperTypical $323Pricier

Pricier than 73% of homes nearby

Living area1,851 ft²
SmallerTypical 1,695 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.54 ac
SmallerTypical 0.57 acBigger

Bigger than 38% of homes nearby

Year built2004
OlderTypical 2000Newer

Newer than 66% of homes nearby

How 858 S 100 W ranks against every home in each area.
MeasureThis homeMona 84645Juab County
Estimated valuepricier than$728,50978% of homes93% of homes
Price per ft²pricier than$39473% of homes88% of homes
Living areabigger than1,851 ft²65% of homes76% of homes
Lot sizebigger than0.54 ac38% of homes67% of homes
Year builtnewer than200466% of homes86% of homes

About 858 S 100 W

How much is 858 S 100 W, Mona, UT worth?

The TopHap Estimate for 858 S 100 W, Mona, UT is $728,509 as of Sep 24, 2026. The likely range is $701,345 to $755,673. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 858 S 100 W, Mona, UT last sell?

858 S 100 W, Mona, UT last sold on Jul 10, 2006, according to the county's recorded deed.

How big is 858 S 100 W, Mona, UT?

858 S 100 W, Mona, UT has 3 bathrooms, 1,851 square feet of living space and a 0.54-acre lot.

When was 858 S 100 W, Mona, UT built?

858 S 100 W, Mona, UT was built in 2004, making it 22 years old. It is a ranch home. The building has 1 story.

What schools serve 858 S 100 W, Mona, UT?

858 S 100 W, Mona, UT is assigned to Mona Elementary School (elementary), rated B+; Juab High School (high), rated C+; Juab Junior High School (middle), rated C+. All sit in Juab School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 858 S 100 W, Mona, UT compare to other homes in Mona 84645?

Among the 718 homes in Mona 84645, it is worth more than 78% of them ($728,509 against a typical $566,425), its price per square foot is higher than 73% of them ($394 against a typical $323), it is bigger than 65% of them (1,851 ft² against a typical 1,695 ft²), its lot is bigger than 38% of them (0.54 ac against a typical 0.57 ac) and it is newer than 66% of them (2004 against a typical 2000). Measured against all of Juab County, it is worth more than 93% 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 858 S 100 W, Mona, UT?

The 2024 property tax bill for 858 S 100 W, Mona, UT was $3,229. The county assessed it at $324,772.

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