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Single Family ResidenceResidential
$367,169$191 / 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

121 W 100 S

WASHINGTON, UT 84780
4
Beds
2
Baths
1,920 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1929
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$367K
$351K low$383K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,455 (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.$210,595 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$66,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$144,595
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$221,210
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$382,900

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.45
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
76
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
81
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
4
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
63
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.Bi-Level
CountyWASHINGTON
Lot (acres)The size of the land the home sits on, from county records.0.29
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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
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.DeckPorch · 130 ft²

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
Washington Elementary SchoolD
Elementary · Grades PK–5 · 0.7 mi
H
Pine View High SchoolC-
High · Grades 10–12 · 1.0 mi
M
Fossil Ridge Intermediate SchoolC
Middle · Grades 6–7 · 2.3 mi

District: Washington School District

Neighborhood · ZIP 84780These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.127

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.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.32,037
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.454 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,273
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,053
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.10 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

121 W 100 S 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 86% of homes in Washington 84780
  • Costs less per square foot than 95% of homes in Washington 84780
  • Has a bigger lot than 78% of homes in Washington 84780
  • Among the oldest homes in Washington 84780

What homes are worth in Washington 84780

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

This home
$254K$1.7M

This home is worth more than 14% of homes in Washington 84780.

How it measures up in Washington 84780

The dot is this home. The mark in the middle is the typical home in Washington 84780.

Estimated value$367,169
CheaperTypical $555,819Pricier

Pricier than 14% of homes nearby

Price per ft²$191
CheaperTypical $275Pricier

Pricier than 5% of homes nearby

Living area1,920 ft²
SmallerTypical 1,970 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.29 ac
SmallerTypical 0.18 acBigger

Bigger than 78% of homes nearby

Year built1929
OlderTypical 2013Newer

Older than almost all homes nearby

How 121 W 100 S ranks against every home in each area.
MeasureThis homeWashington 84780Washington County
Estimated valuepricier than$367,16914% of homes17% of homes
Price per ft²pricier than$1915% of homes8% of homes
Living areabigger than1,920 ft²49% of homes49% of homes
Lot sizebigger than0.29 ac78% of homes70% of homes
Year builtnewer than1929almost no homesalmost no homes

About 121 W 100 S

How much is 121 W 100 S, Washington, UT worth?

The TopHap Estimate for 121 W 100 S, Washington, UT is $367,169 as of Sep 24, 2026. The likely range is $351,019 to $383,319. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 W 100 S, Washington, UT last sell?

121 W 100 S, Washington, UT last sold on May 23, 2023, according to the county's recorded deed.

How big is 121 W 100 S, Washington, UT?

121 W 100 S, Washington, UT has 4 bedrooms, 2 bathrooms, 1,920 square feet of living space and a 0.29-acre lot.

When was 121 W 100 S, Washington, UT built?

121 W 100 S, Washington, UT was built in 1929, making it 97 years old. It is a bi-level home. The building has 2 stories.

What schools serve 121 W 100 S, Washington, UT?

121 W 100 S, Washington, UT is assigned to Washington Elementary School (elementary), rated D; Pine View High School (high), rated C-; Fossil Ridge Intermediate School (middle), rated C. All sit in Washington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 W 100 S, Washington, UT compare to other homes in Washington 84780?

Among the 16,336 homes in Washington 84780, it is worth more than 14% of them ($367,169 against a typical $555,819), its price per square foot is higher than 5% of them ($191 against a typical $275), it is bigger than 49% of them (1,920 ft² against a typical 1,970 ft²), its lot is bigger than 78% of them (0.29 ac against a typical 0.18 ac) and it is newer than almost none of them (1929 against a typical 2013). Measured against all of Washington County, it is worth more than 17% 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 121 W 100 S, Washington, UT?

The 2025 property tax bill for 121 W 100 S, Washington, UT was $1,455. The county assessed it at $210,595.

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