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Single Family ResidenceResidential
$190,974$104 / 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 79How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

21776 GREAT RIVER RD

GARNAVILLO, IA 52049
4
Beds
1
Baths
1,840 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.
2.67 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
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

$191K
$152K low$230K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,818 (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.$173,481 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$62,313
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$111,168
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$146,144
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$173,481

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.Conventional
CountyCLAYTON
Lot (acres)The size of the land the home sits on, from county records.2.67
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.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.None
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.Deck · 796 ft²Patio · 231 ft²Porch · 132 ft²

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

E
Clayton Ridge Elementary SchoolB
Elementary · Grades PK–5 · 4.5 mi
M
Clayton Ridge Middle SchoolC+
Middle · Grades 6–8 · 9.5 mi
H
Clayton Ridge High SchoolB
High · Grades 9–12 · 9.6 mi

District: Clayton Ridge Community School District

Neighborhood · ZIP 52049These 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.147
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.16

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.72%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.1,857
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.24 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,445
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,434
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.34 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

21776 Great River Rd 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.

  • Costs less per square foot than 67% of homes in Garnavillo 52049
  • Bigger than 75% of homes in Garnavillo 52049
  • Has a bigger lot than 76% of homes in Garnavillo 52049
  • Older than 81% of homes in Garnavillo 52049

What homes are worth in Garnavillo 52049

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

This home
$54K$664K

This home is worth more than 60% of homes in Garnavillo 52049.

How it measures up in Garnavillo 52049

The dot is this home. The mark in the middle is the typical home in Garnavillo 52049.

Estimated value$190,974
CheaperTypical $165,833Pricier

Pricier than 60% of homes nearby

Price per ft²$104
CheaperTypical $130Pricier

Pricier than 33% of homes nearby

Living area1,840 ft²
SmallerTypical 1,404 ft²Bigger

Bigger than 75% of homes nearby

Lot size2.67 ac
SmallerTypical 0.33 acBigger

Bigger than 76% of homes nearby

Year built1900
OlderTypical 1964Newer

Newer than 19% of homes nearby

How 21776 Great River Rd ranks against every home in each area.
MeasureThis homeGarnavillo 52049Clayton County
Estimated valuepricier than$190,97460% of homes48% of homes
Price per ft²pricier than$10433% of homes33% of homes
Living areabigger than1,840 ft²75% of homes70% of homes
Lot sizebigger than2.67 ac76% of homes69% of homes
Year builtnewer than190019% of homes25% of homes

About 21776 Great River Rd

How much is 21776 Great River Rd, Garnavillo, IA worth?

The TopHap Estimate for 21776 Great River Rd, Garnavillo, IA is $190,974 as of Aug 30, 2026. The likely range is $151,550 to $230,398. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21776 Great River Rd, Garnavillo, IA last sell?

21776 Great River Rd, Garnavillo, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21776 Great River Rd, Garnavillo, IA?

21776 Great River Rd, Garnavillo, IA has 4 bedrooms, 1 bathrooms, 1,840 square feet of living space and a 2.67-acre lot.

When was 21776 Great River Rd, Garnavillo, IA built?

21776 Great River Rd, Garnavillo, IA was built in 1900, making it 126 years old. It is a conventional home. The building has 2 stories.

What schools serve 21776 Great River Rd, Garnavillo, IA?

21776 Great River Rd, Garnavillo, IA is assigned to Clayton Ridge Elementary School (elementary), rated B; Clayton Ridge Middle School (middle), rated C+; Clayton Ridge High School (high), rated B. All sit in Clayton Ridge Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21776 Great River Rd, Garnavillo, IA compare to other homes in Garnavillo 52049?

Among the 773 homes in Garnavillo 52049, it is worth more than 60% of them ($190,974 against a typical $165,833), its price per square foot is higher than 33% of them ($104 against a typical $130), it is bigger than 75% of them (1,840 ft² against a typical 1,404 ft²), its lot is bigger than 76% of them (2.67 ac against a typical 0.33 ac) and it is newer than 19% of them (1900 against a typical 1964). Measured against all of Clayton County, it is worth more than 48% 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 21776 Great River Rd, Garnavillo, IA?

The 2025 property tax bill for 21776 Great River Rd, Garnavillo, IA was $1,818. The county assessed it at $173,481.

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