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Single Family ResidenceResidential
$501,927$247 / 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

3866 S 6840 W

WEST VALLEY CITY, UT 84128
2
Beds
2.3
Baths
2,035 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$502K
$482K low$522K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,865 (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.$448,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$134,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$313,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$387,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$448,200

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
CountySALT LAKE
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.2009
Lot (acres)The size of the land the home sits on, from county records.0.18
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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.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 · 200 ft²Porch · 16 ft²

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

E
Copper Hills Elementary SchoolB
Elementary · Grades PK–5 · 1.0 mi
M
Scott M. Matheson Junior High SchoolF
Middle · Grades 6–8 · 1.3 mi
H
Cyprus High SchoolD+
High · Grades 9–12 · 2.6 mi

District: Granite School District

Neighborhood · ZIP 84128These 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.33
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.228

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.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.2%
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.30,354
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,645 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,629
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,939
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.15 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

3866 S 6840 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 less than 65% of homes in Salt Lake County
  • Costs less per square foot than 82% of homes in Salt Lake County
  • Bigger than 73% of homes in West Valley City 84128
  • Older than 84% of homes in West Valley City 84128

What homes are worth in West Valley City 84128

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

This home
$338K$764K

This home is worth more than 51% of homes in West Valley City 84128.

How it measures up in West Valley City 84128

The dot is this home. The mark in the middle is the typical home in West Valley City 84128.

Estimated value$501,927
CheaperTypical $499,582Pricier

Pricier than 51% of homes nearby

Price per ft²$247
CheaperTypical $280Pricier

Pricier than 23% of homes nearby

Living area2,035 ft²
SmallerTypical 1,734 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.18 ac
SmallerTypical 0.19 acBigger

Bigger than 40% of homes nearby

Year built1975
OlderTypical 1995Newer

Newer than 16% of homes nearby

How 3866 S 6840 W ranks against every home in each area.
MeasureThis homeHunterWest Valley City 84128Salt Lake County
Estimated valuepricier than$501,92757% of homes51% of homes35% of homes
Price per ft²pricier than$24727% of homes23% of homes18% of homes
Living areabigger than2,035 ft²72% of homes73% of homes55% of homes
Lot sizebigger than0.18 ac46% of homes40% of homes51% of homes
Year builtnewer than197523% of homes16% of homes37% of homes

About 3866 S 6840 W

How much is 3866 S 6840 W, West Valley City, UT worth?

The TopHap Estimate for 3866 S 6840 W, West Valley City, UT is $501,927 as of Sep 24, 2026. The likely range is $481,723 to $522,131. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3866 S 6840 W, West Valley City, UT last sell?

3866 S 6840 W, West Valley City, UT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3866 S 6840 W, West Valley City, UT?

3866 S 6840 W, West Valley City, UT has 2 bedrooms, 2.3 bathrooms, 2,035 square feet of living space and a 0.18-acre lot.

When was 3866 S 6840 W, West Valley City, UT built?

3866 S 6840 W, West Valley City, UT was built in 1975, making it 51 years old. It is a ranch home. The building has 1 story.

What schools serve 3866 S 6840 W, West Valley City, UT?

3866 S 6840 W, West Valley City, UT is assigned to Copper Hills Elementary School (elementary), rated B; Scott M. Matheson Junior High School (middle), rated F; Cyprus High School (high), rated D+. All sit in Granite School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3866 S 6840 W, West Valley City, UT compare to other homes in West Valley City 84128?

Among the 7,988 homes in West Valley City 84128, it is worth more than 51% of them ($501,927 against a typical $499,582), its price per square foot is higher than 23% of them ($247 against a typical $280), it is bigger than 73% of them (2,035 ft² against a typical 1,734 ft²), its lot is bigger than 40% of them (0.18 ac against a typical 0.19 ac) and it is newer than 16% of them (1975 against a typical 1995). Measured against all of Salt Lake County, it is worth more than 35% 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 3866 S 6840 W, West Valley City, UT?

The 2025 property tax bill for 3866 S 6840 W, West Valley City, UT was $2,865. The county assessed it at $448,200.

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