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CondominiumResidential
$146,756$206 / 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 88How 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
Last sold for $345,000 on Jul 1, 2026

811 SONYA DR

WATERLOO, IA 50702
Building report
2
Beds
1
Baths
713 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.
2,570 ft²
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$147K
$129K low$164K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$345,000 · Jul 1, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,026 (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.$50,260 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$41,260
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$48,380
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$50,260

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.33
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
6
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
67
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
54
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
15
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.6 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.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyBLACK HAWK
Lot (acres)The size of the land the home sits on, from county records.0.06
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.Yes
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

Transaction History(1)

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.

H
Waterloo West High SchoolD
High · Grades 9–12 · 1.0 mi
E
Lou Henry Elementary SchoolD+
Elementary · Grades KG–5 · 1.2 mi
M
Hoover Middle SchoolC-
Middle · Grades 6–8 · 1.2 mi

District: Waterloo Community School District

Neighborhood · ZIP 50702These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.14

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.20,569
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,006 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,539
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,786
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.35 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

811 Sonya Dr 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 67% of homes in Black Hawk County
  • Costs more per square foot than 85% of homes in Waterloo 50702
  • Smaller than 93% of homes in Black Hawk County
  • Has a smaller lot than 92% of homes in Black Hawk County
  • Newer than 88% of homes in Waterloo 50702

What homes are worth in Waterloo 50702

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

This home
$62K$308K

This home is worth more than 47% of homes in Waterloo 50702.

How it measures up in Waterloo 50702

The dot is this home. The mark in the middle is the typical home in Waterloo 50702.

Estimated value$146,756
CheaperTypical $151,396Pricier

Pricier than 47% of homes nearby

Price per ft²$206
CheaperTypical $152Pricier

Pricier than 85% of homes nearby

Living area713 ft²
SmallerTypical 1,056 ft²Bigger

Bigger than 8% of homes nearby

Lot size2,570 ft²
SmallerTypical 0.16 acBigger

Bigger than 15% of homes nearby

Year built1979
OlderTypical 1956Newer

Newer than 88% of homes nearby

How 811 Sonya Dr ranks against every home in each area.
MeasureThis homeWaterloo 50702Black Hawk County
Estimated valuepricier than$146,75647% of homes33% of homes
Price per ft²pricier than$20685% of homes73% of homes
Living areabigger than713 ft²8% of homes7% of homes
Lot sizebigger than2,570 ft²15% of homes8% of homes
Year builtnewer than197988% of homes75% of homes

About 811 Sonya Dr

How much is 811 Sonya Dr, Waterloo, IA worth?

The TopHap Estimate for 811 Sonya Dr, Waterloo, IA is $146,756 as of Sep 24, 2026. The likely range is $129,336 to $164,176. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 811 Sonya Dr, Waterloo, IA last sell?

811 Sonya Dr, Waterloo, IA last sold on Jul 1, 2026 for $345,000, according to the county's recorded deed.

How big is 811 Sonya Dr, Waterloo, IA?

811 Sonya Dr, Waterloo, IA has 2 bedrooms, 1 bathrooms, 713 square feet of living space and a 0.06-acre lot.

When was 811 Sonya Dr, Waterloo, IA built?

811 Sonya Dr, Waterloo, IA was built in 1979, making it 47 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 811 Sonya Dr, Waterloo, IA?

811 Sonya Dr, Waterloo, IA is assigned to Waterloo West High School (high), rated D; Lou Henry Elementary School (elementary), rated D+; Hoover Middle School (middle), rated C-. All sit in Waterloo Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 811 Sonya Dr, Waterloo, IA compare to other homes in Waterloo 50702?

Among the 8,601 homes in Waterloo 50702, it is worth more than 47% of them ($146,756 against a typical $151,396), its price per square foot is higher than 85% of them ($206 against a typical $152), it is bigger than 8% of them (713 ft² against a typical 1,056 ft²), its lot is bigger than 15% of them (2,570 ft² against a typical 0.16 ac) and it is newer than 88% of them (1979 against a typical 1956). Measured against all of Black Hawk County, it is worth more than 33% 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 811 Sonya Dr, Waterloo, IA?

The 2025 property tax bill for 811 Sonya Dr, Waterloo, IA was $1,026. The county assessed it at $50,260.

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