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TownhouseResidential
$400,787$256 / 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 91How 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

4820 S ALDER DR

MAPLETON, UT 84664
3
Beds
2.3
Baths
1,565 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.
1,157 ft²
Lot SizeThe size of the land the home sits on, from county records.
2024
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$401K
$365K low$436K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,234 (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.$221,650 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$221,155
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$403,000

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.58
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
73
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
53
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
58
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.11 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.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.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyUTAH
Lot (acres)The size of the land the home sits on, from county records.0.03
HeatingThe type of heating system in the home.Central
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.Porch · 59 ft²

Transaction History(1)

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
Maple Mountain High SchoolA-
High · Grades 10–12 · 2.1 mi
E
Maple Ridge Elementary SchoolA-
Elementary · Grades PK–5 · 2.7 mi
M
Maple Grove Middle SchoolB-
Middle · Grades 6–7 · 2.7 mi

District: Nebo School District

Neighborhood · ZIP 84664These 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.50
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.223

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.4%
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.12,408
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.763 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,509
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$175,253
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.26 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

4820 S Alder Dr 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 91% of homes in Mapleton 84664
  • Costs less per square foot than 84% of homes in Mapleton 84664
  • Smaller than 83% of homes in Mapleton 84664
  • Among the smallest lots in Mapleton 84664
  • Newer than 97% of homes in Utah County

What homes are worth in Mapleton 84664

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

This home
$300K$2M

This home is worth more than 9% of homes in Mapleton 84664.

How it measures up in Mapleton 84664

The dot is this home. The mark in the middle is the typical home in Mapleton 84664.

Estimated value$400,787
CheaperTypical $681,527Pricier

Pricier than 9% of homes nearby

Price per ft²$256
CheaperTypical $312Pricier

Pricier than 16% of homes nearby

Living area1,565 ft²
SmallerTypical 2,180 ft²Bigger

Bigger than 17% of homes nearby

Lot size1,157 ft²
SmallerTypical 0.35 acBigger

Smaller than almost all homes nearby

Year built2024
OlderTypical 2017Newer

Newer than 87% of homes nearby

How 4820 S Alder Dr ranks against every home in each area.
MeasureThis homeMapleton 84664Utah County
Estimated valuepricier than$400,7879% of homes19% of homes
Price per ft²pricier than$25616% of homes21% of homes
Living areabigger than1,565 ft²17% of homes40% of homes
Lot sizebigger than1,157 ft²almost no homes11% of homes
Year builtnewer than202487% of homes97% of homes

About 4820 S Alder Dr

How much is 4820 S Alder Dr, Mapleton, UT worth?

The TopHap Estimate for 4820 S Alder Dr, Mapleton, UT is $400,787 as of Sep 24, 2026. The likely range is $365,146 to $436,428. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4820 S Alder Dr, Mapleton, UT last sell?

4820 S Alder Dr, Mapleton, UT last sold on Dec 23, 2024, according to the county's recorded deed.

How big is 4820 S Alder Dr, Mapleton, UT?

4820 S Alder Dr, Mapleton, UT has 3 bedrooms, 2.3 bathrooms, 1,565 square feet of living space and a 0.03-acre lot.

When was 4820 S Alder Dr, Mapleton, UT built?

4820 S Alder Dr, Mapleton, UT was built in 2024, making it 2 years old. It is a townhouse home. The building has 2 stories.

What schools serve 4820 S Alder Dr, Mapleton, UT?

4820 S Alder Dr, Mapleton, UT is assigned to Maple Mountain High School (high), rated A-; Maple Ridge Elementary School (elementary), rated A-; Maple Grove Middle School (middle), rated B-. All sit in Nebo School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4820 S Alder Dr, Mapleton, UT compare to other homes in Mapleton 84664?

Among the 5,132 homes in Mapleton 84664, it is worth more than 9% of them ($400,787 against a typical $681,527), its price per square foot is higher than 16% of them ($256 against a typical $312), it is bigger than 17% of them (1,565 ft² against a typical 2,180 ft²), its lot is bigger than almost none of them (1,157 ft² against a typical 0.35 ac) and it is newer than 87% of them (2024 against a typical 2017). Measured against all of Utah County, it is worth more than 19% 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 4820 S Alder Dr, Mapleton, UT?

The 2025 property tax bill for 4820 S Alder Dr, Mapleton, UT was $2,234. The county assessed it at $221,650.

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