Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$373,727$233 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

645 S 400 E

RIVER HEIGHTS, UT 84321
0
Baths
1,603 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.
0.74 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.

Valuation

$374K
$351K low$397K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$185,290
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$148,232
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.49%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$188,437
BANK OF AMERICAN FORK · recorded Sep 21, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,217 (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.$338,560 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$331,420
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$615,564

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.46
11
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
44
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
68
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
48
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
59
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.10 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
CountyCache
Lot (acres)The size of the land the home sits on, from county records.0.74

Transaction History(4)

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
River Heights Elementary SchoolB-
Elementary · Grades KG–6 · 0.5 mi
M
Spring Creek Middle SchoolB
Middle · Grades 7–8 · 0.8 mi
H
Ridgeline High SchoolB
High · Grades 9–12 · 2.4 mi

District: Cache School District

Neighborhood · ZIP 84321These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.206

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.96%
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.16%
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.56,064
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.486 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,922
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,944
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.22 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

645 S 400 E 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 73% of homes in Cache County
  • Costs less per square foot than 77% of homes in Cache County
  • Has a bigger lot than 93% of homes in Logan 84321
  • Older than 78% of homes in Cache County

What homes are worth in Logan 84321

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

This home
$238K$988K

This home is worth more than 34% of homes in Logan 84321.

How it measures up in Logan 84321

The dot is this home. The mark in the middle is the typical home in Logan 84321.

Estimated value$373,727
CheaperTypical $413,082Pricier

Pricier than 34% of homes nearby

Price per ft²$233
CheaperTypical $286Pricier

Pricier than 25% of homes nearby

Living area1,603 ft²
SmallerTypical 1,438 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.74 ac
SmallerTypical 0.22 acBigger

Bigger than 93% of homes nearby

Year built1966
OlderTypical 1986Newer

Newer than 32% of homes nearby

How 645 S 400 E ranks against every home in each area.
MeasureThis homeLogan 84321Cache County
Estimated valuepricier than$373,72734% of homes27% of homes
Price per ft²pricier than$23325% of homes23% of homes
Living areabigger than1,603 ft²62% of homes55% of homes
Lot sizebigger than0.74 ac93% of homes82% of homes
Year builtnewer than196632% of homes22% of homes

About 645 S 400 E

How much is 645 S 400 E, River Heights, UT worth?

The TopHap Estimate for 645 S 400 E, River Heights, UT is $373,727 as of Jul 14, 2026. The likely range is $350,775 to $396,679. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 645 S 400 E, River Heights, UT?

645 S 400 E, River Heights, UT has 1,603 square feet of living space and a 0.74-acre lot.

When was 645 S 400 E, River Heights, UT built?

645 S 400 E, River Heights, UT was built in 1966, making it 60 years old.

What schools serve 645 S 400 E, River Heights, UT?

645 S 400 E, River Heights, UT is assigned to River Heights Elementary School (elementary), rated B-; Spring Creek Middle School (middle), rated B; Ridgeline High School (high), rated B. All sit in Cache School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 645 S 400 E, River Heights, UT compare to other homes in Logan 84321?

Among the 12,001 homes in Logan 84321, it is worth more than 34% of them ($373,727 against a typical $413,082), its price per square foot is higher than 25% of them ($233 against a typical $286), it is bigger than 62% of them (1,603 ft² against a typical 1,438 ft²), its lot is bigger than 93% of them (0.74 ac against a typical 0.22 ac) and it is newer than 32% of them (1966 against a typical 1986). Measured against all of Cache County, it is worth more than 27% 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 645 S 400 E, River Heights, UT?

The 2025 property tax bill for 645 S 400 E, River Heights, UT was $2,217. The county assessed it at $338,560.

More homes on S 400 E

Closest homes

More homes in River Heights 84321

Assigned schools

Explore the area

See this home in context

Open 645 S 400 E on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map