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Single Family ResidenceResidential
$293,321$302 / 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

646 E 21ST ST

OGDEN, UT 84401
4
Beds
1.8
Baths
972 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.
3,485 ft²
Lot SizeThe size of the land the home sits on, from county records.
1936
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$293K
$268K low$319K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,214 (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.$375,698 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$86,230
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$289,468
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$324,511
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$375,698

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 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
CountyWEBER
Lot (acres)The size of the land the home sits on, from county records.0.08
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
New Bridge SchoolB
Elementary · Grades KG–6 · 0.1 mi
M
Mound Fort Junior High SchoolC+
Middle · Grades 7–9 · 0.9 mi
H
Ogden High SchoolC-
High · Grades 10–12 · 1.4 mi

District: Ogden School District

Neighborhood · ZIP 84401These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.249

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
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.44,893
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.937 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,319
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,036
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.25 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

646 E 21st St 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 92% of homes in Ogden 84401
  • Smaller than 86% of homes in Weber County
  • Has a smaller lot than 86% of homes in Weber County
  • Older than 93% of homes in Weber County

What homes are worth in Ogden 84401

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

This home
$246K$980K

This home is worth more than 8% of homes in Ogden 84401.

How it measures up in Ogden 84401

The dot is this home. The mark in the middle is the typical home in Ogden 84401.

Estimated value$293,321
CheaperTypical $450,427Pricier

Pricier than 8% of homes nearby

Price per ft²$302
CheaperTypical $313Pricier

Pricier than 46% of homes nearby

Living area972 ft²
SmallerTypical 1,566 ft²Bigger

Bigger than 16% of homes nearby

Lot size3,485 ft²
SmallerTypical 0.17 acBigger

Bigger than 21% of homes nearby

Year built1936
OlderTypical 2003Newer

Newer than 20% of homes nearby

How 646 E 21st St ranks against every home in each area.
MeasureThis homeEast CentralOgden 84401Weber County
Estimated valuepricier than$293,32128% of homes8% of homes8% of homes
Price per ft²pricier than$30253% of homes46% of homes37% of homes
Living areabigger than972 ft²32% of homes16% of homes14% of homes
Lot sizebigger than3,485 ft²21% of homes21% of homes14% of homes
Year builtnewer than193638% of homes20% of homes7% of homes

About 646 E 21st St

How much is 646 E 21st St, Ogden, UT worth?

The TopHap Estimate for 646 E 21st St, Ogden, UT is $293,321 as of Sep 24, 2026. The likely range is $267,624 to $319,018. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 646 E 21st St, Ogden, UT last sell?

646 E 21st St, Ogden, UT last sold on Jun 22, 2023, according to the county's recorded deed.

How big is 646 E 21st St, Ogden, UT?

646 E 21st St, Ogden, UT has 4 bedrooms, 1.8 bathrooms, 972 square feet of living space and a 0.08-acre lot.

When was 646 E 21st St, Ogden, UT built?

646 E 21st St, Ogden, UT was built in 1936, making it 90 years old. The building has 1 story.

What schools serve 646 E 21st St, Ogden, UT?

646 E 21st St, Ogden, UT is assigned to New Bridge School (elementary), rated B; Mound Fort Junior High School (middle), rated C+; Ogden High School (high), rated C-. All sit in Ogden School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 646 E 21st St, Ogden, UT compare to other homes in Ogden 84401?

Among the 14,074 homes in Ogden 84401, it is worth more than 8% of them ($293,321 against a typical $450,427), its price per square foot is higher than 46% of them ($302 against a typical $313), it is bigger than 16% of them (972 ft² against a typical 1,566 ft²), its lot is bigger than 21% of them (3,485 ft² against a typical 0.17 ac) and it is newer than 20% of them (1936 against a typical 2003). Measured against all of Weber County, it is worth more than 8% 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 646 E 21st St, Ogden, UT?

The 2025 property tax bill for 646 E 21st St, Ogden, UT was $2,214. The county assessed it at $375,698.

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