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Single Family ResidenceResidential
$837,750$301 / 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 Oct 21, 2026

8017 ONYX

SAINT GEORGE, UT 84770
4
Beds
3
Baths
2,780 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.
0.98 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$838K
$773K low$903K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,848 (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.$448,085 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$126,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$321,585
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$461,560
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$814,700

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.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

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
CountyWASHINGTON
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2007
Lot (acres)The size of the land the home sits on, from county records.0.98
RoofThe main material covering the roof, such as asphalt shingle or tile.Concrete
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 1,062 ft²

Transaction History(3)

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
Diamond Valley Elementary SchoolB
Elementary · Grades KG–5 · 0.2 mi
M
Dixie Intermediate School
Middle · Grades 6–7 · 3.7 mi
H
Dixie High SchoolB-
High · Grades 10–12 · 11.0 mi

District: Washington School District

Neighborhood · ZIP 84770These 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.135
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.119

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.79%
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.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.50,942
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.569 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,359
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,428
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.13 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

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

8017 Onyx 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 86% of homes in Saint George 84770
  • Costs more per square foot than 78% of homes in Diamond Valley Acres
  • Bigger than 81% of homes in Saint George 84770
  • Has a bigger lot than 97% of homes in Saint George 84770
  • Older than 82% of homes in Diamond Valley Acres

What homes are worth in Saint George 84770

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

This home
$236K$1.9M

This home is worth more than 86% of homes in Saint George 84770.

How it measures up in Saint George 84770

The dot is this home. The mark in the middle is the typical home in Saint George 84770.

Estimated value$837,750
CheaperTypical $474,128Pricier

Pricier than 86% of homes nearby

Price per ft²$301
CheaperTypical $264Pricier

Pricier than 74% of homes nearby

Living area2,780 ft²
SmallerTypical 1,842 ft²Bigger

Bigger than 81% of homes nearby

Lot size0.98 ac
SmallerTypical 0.14 acBigger

Bigger than 97% of homes nearby

Year built1991
OlderTypical 1998Newer

Newer than 34% of homes nearby

How 8017 Onyx ranks against every home in each area.
MeasureThis homeDiamond Valley AcresSaint George 84770Washington County
Estimated valuepricier than$837,75085% of homes86% of homes84% of homes
Price per ft²pricier than$30178% of homes74% of homes68% of homes
Living areabigger than2,780 ft²59% of homes81% of homes77% of homes
Lot sizebigger than0.98 ac67% of homes97% of homes92% of homes
Year builtnewer than199118% of homes34% of homes19% of homes

About 8017 Onyx

How much is 8017 Onyx, Saint George, UT worth?

The TopHap Estimate for 8017 Onyx, Saint George, UT is $837,750 as of Oct 21, 2026. The likely range is $772,717 to $902,783. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8017 Onyx, Saint George, UT last sell?

8017 Onyx, Saint George, UT last sold on Jan 12, 2023, according to the county's recorded deed.

How big is 8017 Onyx, Saint George, UT?

8017 Onyx, Saint George, UT has 4 bedrooms, 3 bathrooms, 2,780 square feet of living space and a 0.98-acre lot.

When was 8017 Onyx, Saint George, UT built?

8017 Onyx, Saint George, UT was built in 1991, making it 35 years old. The building has 1 story.

What schools serve 8017 Onyx, Saint George, UT?

8017 Onyx, Saint George, UT is assigned to Diamond Valley Elementary School (elementary), rated B; Dixie Intermediate School (middle); Dixie High School (high), rated B-. All sit in Washington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8017 Onyx, Saint George, UT compare to other homes in Saint George 84770?

Among the 19,078 homes in Saint George 84770, it is worth more than 86% of them ($837,750 against a typical $474,128), its price per square foot is higher than 74% of them ($301 against a typical $264), it is bigger than 81% of them (2,780 ft² against a typical 1,842 ft²), its lot is bigger than 97% of them (0.98 ac against a typical 0.14 ac) and it is newer than 34% of them (1991 against a typical 1998). Measured against all of Washington County, it is worth more than 84% 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 8017 Onyx, Saint George, UT?

The 2025 property tax bill for 8017 Onyx, Saint George, UT was $2,848. The county assessed it at $448,085.

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