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Single Family ResidenceResidential
$615,993$234 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

643 SHELLY AVE

AMERICAN FORK, UT 84003
4
Beds
2
Baths
2,632 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1992
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
13
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

$616K
$572K low$660K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,693 (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.$319,000 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$308,220
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$580,000

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.10
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
43
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
StyleThe architectural style of the home, such as ranch or colonial.A-Frame
CountyUTAH
Lot (acres)The size of the land the home sits on, from county records.0.23
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
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.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 120 ft²Porch · 162 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
American Fork High SchoolB-
High · Grades 10–12 · 0.3 mi
E
Barratt Elementary SchoolD+
Elementary · Grades KG–6 · 0.5 mi
M
American Fork Junior High SchoolC+
Middle · Grades 7–9 · 1.5 mi

District: Alpine School District

Neighborhood · ZIP 84003These 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.52
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.280

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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.59,449
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,598 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,360
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$142,224
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.16 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

643 Shelly Ave 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 66% of homes in Utah County
  • Costs less per square foot than 93% of homes in American Fork 84003
  • Bigger than 85% of homes in Utah County
  • Older than 72% of homes in Utah County

What homes are worth in American Fork 84003

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

This home
$321K$2M

This home is worth more than 55% of homes in American Fork 84003.

How it measures up in American Fork 84003

The dot is this home. The mark in the middle is the typical home in American Fork 84003.

Estimated value$615,993
CheaperTypical $582,042Pricier

Pricier than 55% of homes nearby

Price per ft²$234
CheaperTypical $341Pricier

Pricier than 7% of homes nearby

Living area2,632 ft²
SmallerTypical 1,903 ft²Bigger

Bigger than 78% of homes nearby

Lot size0.23 ac
SmallerTypical 0.23 acBigger

Bigger than 52% of homes nearby

Year built1992
OlderTypical 2003Newer

Newer than 30% of homes nearby

How 643 Shelly Ave ranks against every home in each area.
MeasureThis homeAmerican Fork 84003Utah County
Estimated valuepricier than$615,99355% of homes66% of homes
Price per ft²pricier than$2347% of homes9% of homes
Living areabigger than2,632 ft²78% of homes85% of homes
Lot sizebigger than0.23 ac52% of homes62% of homes
Year builtnewer than199230% of homes28% of homes

About 643 Shelly Ave

How much is 643 Shelly Ave, American Fork, UT worth?

The TopHap Estimate for 643 Shelly Ave, American Fork, UT is $615,993 as of Aug 30, 2026. The likely range is $571,760 to $660,226. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 Shelly Ave, American Fork, UT last sell?

643 Shelly Ave, American Fork, UT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 643 Shelly Ave, American Fork, UT?

643 Shelly Ave, American Fork, UT has 4 bedrooms, 2 bathrooms, 2,632 square feet of living space and a 0.23-acre lot.

When was 643 Shelly Ave, American Fork, UT built?

643 Shelly Ave, American Fork, UT was built in 1992, making it 34 years old. It is a a-frame home. The building has 1 story.

What schools serve 643 Shelly Ave, American Fork, UT?

643 Shelly Ave, American Fork, UT is assigned to American Fork High School (high), rated B-; Barratt Elementary School (elementary), rated D+; American Fork Junior High School (middle), rated C+. All sit in Alpine School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 643 Shelly Ave, American Fork, UT compare to other homes in American Fork 84003?

Among the 17,016 homes in American Fork 84003, it is worth more than 55% of them ($615,993 against a typical $582,042), its price per square foot is higher than 7% of them ($234 against a typical $341), it is bigger than 78% of them (2,632 ft² against a typical 1,903 ft²), its lot is bigger than 52% of them (0.23 ac against a typical 0.23 ac) and it is newer than 30% of them (1992 against a typical 2003). Measured against all of Utah County, it is worth more than 66% 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 643 Shelly Ave, American Fork, UT?

The 2025 property tax bill for 643 Shelly Ave, American Fork, UT was $2,693. The county assessed it at $319,000.

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